Precision Machining and CNC Machine Shop M&A Multiples Report 2026: Valuation Benchmarks by Size and Specialty

Precision machining M&A multiples and CNC machine shop valuation benchmarks repriced through mid-2026, and the repricing rewarded quality rather than the sector as a whole. This report benchmarks what US precision machining and CNC machine shop businesses have actually traded for, by revenue size band and by specialty, across the trailing twelve months ending Q2 2026, with a historical series back to 2019. It is part of our industrial and manufacturing M&A multiples series, and it exists because the machining vertical suffers more earnings-basis confusion than almost any other trade: the same shop can be honestly described at 3.5x one earnings measure and 4.7x another, and sellers who do not know which number they are quoting routinely misprice their own life’s work.

One framing note before any numbers. This report is educational market commentary. It is not investment advice, not legal advice, not tax advice, not financial advice, and it is not a business appraisal under USPAP or any other standard. Every range below is an observed range with stated conditions, and any individual shop can price outside all of them for reasons that only surface in diligence.

Executive Summary

• Sub-$1M revenue owner-operated CNC job shops traded in an observed range of roughly 2.5x to 4.0x seller’s discretionary earnings (SDE) in the twelve months ending Q2 2026, consistent with IBBA Market Pulse main street manufacturing medians near 2.75x SDE (Q1 2026, US, sub-$2M sale price).
• Lower middle market contract manufacturers with $3M to $10M revenue, recurring program work, and a functioning quality system typically commanded 5.0x to 7.0x adjusted EBITDA, bracketing the GF Data manufacturing averages of 5.8x to 6.5x TEV/EBITDA reported for H1 2025 (US, $10M-$250M TEV sponsored deals).
• Aerospace, defense, and medical specialty machining platforms carrying AS9100, ITAR registration, NADCAP process approvals, or ISO 13485 traded at 8.0x to 11.0x adjusted EBITDA at the $2M+ EBITDA level, conditional on program backlog and customer spread, per investment bank industrials commentary from Baird and Harris Williams.
• The disclosed public ceiling is Arcline’s take-private of Kaman at $46.00 per share and approximately $1.8B total enterprise value, announced January 19, 2024 and closed April 2024, which PE Professional computed at roughly 16x trailing twelve month EBITDA. No private lower middle market machine shop should anchor to that number; it reflects proprietary aerospace product content, not job-shop economics.
• The single largest driver of the multiple is the split between recurring program revenue and spot make-to-print work: shops above roughly 60 percent recurring program share have consistently priced one to two turns above otherwise comparable job shops, based on the quality-premium spreads visible in GF Data manufacturing prints and banker commentary.
• Rate context frames every band: the Federal Reserve held the federal funds target range at 3.50 to 3.75 percent at the June 17, 2026 FOMC meeting, its fourth consecutive hold, which keeps SBA 7(a) and senior debt pricing meaningfully below the 2023-2024 peak and supports the current multiple rebase.
• Demand tailwinds are real but uneven: the Reshoring Initiative counted 244,000 US manufacturing jobs announced via reshoring and FDI in 2024, while BizBuySell recorded an 11 percent decline in small manufacturing business transactions in 2025 before a 16 percent year-over-year rebound in Q1 2026.
• Private equity has now completed full buy-build-exit cycles in this exact vertical: CORE Industrial Partners assembled PrecisionX Group beginning in 2023 and sold it to Windjammer Capital in April 2026, a 38-month arc that defines the exit bid funding every add-on offer a machine shop owner receives today.

Key Findings

1. Main street baseline, SDE basis. IBBA Market Pulse reported a median SDE multiple of approximately 2.75x for main street manufacturing businesses under $2M sale price in Q1 2026 (US). Machine shops without differentiated certifications generally transact inside that manufacturing envelope, and brokers who quote higher without a basis change are usually quoting a different earnings measure.
2. Small-shop marketplace medians. BizBuySell Insight Report data for full-year 2025 showed the median sold manufacturing business at $650,000 sale price, down 7 percent from 2024 (US, marketplace-listed small businesses). Median cash flow of sold manufacturing businesses was $254,489 in the same series. Those two medians together imply marketplace-level pricing near 2.6x reported cash flow for the smallest shops.
3. Q1 2026 rebound with mix shift. BizBuySell reported manufacturing transactions up 16 percent year over year in Q1 2026 (US). The median sale price in that quarter was $775,000, which sat 23 percent below the prior-year quarter because buyers skewed toward smaller targets.
4. GF Data manufacturing average. GF Data tracked 22 manufacturing deals in H1 2025 averaging 5.8x TEV/EBITDA, marginally above the long-run manufacturing norm of 5.6x (US, private equity sponsored deals $10M-$250M TEV). A separate GF Data cut summarized by Middle Market Growth put YTD 2025 manufacturing at 6.5x against an all-industry middle market average of 7.2x.
5. DealStats machine shop band. DealStats (Business Valuation Resources) transaction data for NAICS 332710 machine shops has historically shown median selling price to EBITDA in the 4x to 5x range for shops with $1M to $5M revenue (US, closed private transactions, earnings basis stated per record). That band sits below sponsor-reported GF Data averages because DealStats captures many owner-operator sales that never see a sponsored process.
6. Disclosed ceiling, aerospace product content. Kaman Corporation was acquired by Arcline Investment Management for $46.00 per share, approximately $1.8B enterprise value, announced January 19, 2024 and closed April 2024. PE Professional computed the price at roughly 16x TTM EBITDA of $112M through September 30, 2023 (US, public company take-private).
7. Second disclosed ceiling. Apollo completed its take-private of Barnes Group on January 27, 2025 at $47.50 per share and approximately $3.6B total enterprise value (US, public company). Barnes generated approximately $1.45B in annual revenue at announcement per Latham & Watkins deal coverage, implying roughly 2.5x trailing revenue for a precision aerospace and industrial components portfolio; no EBITDA multiple was disclosed and none is asserted here.
8. PE consolidation is active and exiting. CORE Industrial Partners built PrecisionX Group from GEM Manufacturing (February 2023) and Coining (June 2023), added National Manufacturing and MSK Precision (August 2024), and sold PrecisionX to Windjammer Capital in April 2026. That completed buy-build-exit cycle in precision components ran inside 38 months.
9. Consolidator cadence. CORE’s portfolio company Incodema acquired four precision machining companies (Centex Machining & Welding, Laser Manufacturing, Precision Process, Micropulse West) as part of a run of 14 precision manufacturing acquisitions in 24 months. That cadence shows the depth of sponsor appetite for add-on machining assets, independent of any single deal’s undisclosed terms.
10. Operating benchmark spread. Modern Machine Shop Top Shops benchmarking, administered by Gardner Intelligence across more than 3,000 shop responses, shows Top Shops reporting median profit margins near 13.5 percent versus roughly 8 percent for other shops. The same program shows Top Shops reinvesting about 9.5 percent of gross sales in capital equipment versus 3.5 percent for others. That spread maps directly onto the equipment-vintage discount discussed in the driver section.
11. Reshoring tailwind, with a caveat. The Reshoring Initiative 2024 Annual Report recorded 244,000 announced US manufacturing jobs from reshoring and FDI in 2024. Cumulative announcements in the same series exceed 2 million jobs since 2010. Early 2025 data in that report projected a slowdown toward 174,000 announced jobs for 2025, so buyers underwrite reshoring as a mix-shift story rather than a universal volume story.
12. Rate environment. The FOMC held the federal funds target range at 3.50 to 3.75 percent on June 17, 2026. That range sits roughly 175 basis points below the 2023-2024 peak of 5.25 to 5.50 percent, which restored debt service coverage headroom for SBA-financed shop acquisitions in the sub-$5M price band.
13. Workforce scarcity is a valuation input. The Bureau of Labor Statistics Occupational Outlook Handbook projects on the order of 48,000 combined annual openings for machinists and tool and die makers through the coming decade, driven mostly by retirements. A documented under-45 machinist bench is therefore a priced asset in diligence rather than a soft factor.
14. Tariff and input-cost exposure. Section 232 steel and aluminum tariffs were raised to 50 percent effective June 2025. Shops without material pass-through clauses in long-term agreements saw margin compression that buyers now test explicitly in quality of earnings work.
15. Sector discount persists. Across every dataset reviewed, machining trades below the all-industry middle market average. GF Data’s 5.8x to 6.5x manufacturing prints compare against a 7.2x all-industry average per Middle Market Growth (H1 2025, US). The gap reflects capital intensity, customer concentration, and cyclicality, and only certification-backed specialty shops reliably escape it.

Multiples by Size Band: The Reference Spine

The table below is the reference spine for this vertical. Every band states its earnings basis explicitly, because SDE and adjusted EBITDA are never interchangeable. SDE adds back one full owner’s compensation; adjusted EBITDA charges the business for a market-rate general manager. For a shop with $700K SDE, the same enterprise may show only $450K to $500K adjusted EBITDA after a market GM salary. Quoting an “EBITDA multiple” against an SDE figure inflates apparent value by 30 to 50 percent, and that single error accounts for more broken machining processes than any market condition.

Size band (annual revenue)	Earnings basis	Observed multiple range (TTM Q2 2026, US)	Typical buyer	Primary sources
Under $1M	SDE	2.5x to 4.0x SDE	Individual owner-operator, SBA 7(a)	BizBuySell, IBBA Market Pulse, DealStats
$1M to $3M	SDE, bridging to adjusted EBITDA	3.0x to 4.5x SDE; 4.0x to 5.5x adjusted EBITDA where a supervisor layer exists	Searchers, small strategics, first-time sponsors	IBBA Market Pulse, DealStats NAICS 332710
$3M to $10M	Adjusted EBITDA	5.0x to 7.0x adjusted EBITDA	PE add-ons, regional strategics	GF Data manufacturing, DealStats upper band
$10M to $25M	Adjusted EBITDA	6.0x to 8.0x adjusted EBITDA	PE platforms, sponsor-backed strategics	GF Data, Harris Williams industrials
$25M and above (platform)	Adjusted EBITDA	7.0x to 9.0x adjusted EBITDA baseline; 8.0x to 11.0x with certification stack and program revenue	Mid-market PE, large strategics	Baird, Lincoln International, PitchBook

Under $1M revenue: SDE basis

This is the classic owner-on-the-spindle shop. The owner programs, sets up, runs parts, quotes, invoices, and often delivers, and the business’s earnings are inseparable from the owner’s labor. BizBuySell full-year 2025 marketplace data put the median sold manufacturing business at $650,000 against median cash flow of $254,489 (US, small listed businesses). Those medians imply pricing near the bottom of the 2.5x to 4.0x SDE band for undifferentiated shops.

Shops that reach the top of the band typically show three things. First, a repeat customer roster with purchase-order history that a buyer can verify against invoices. Second, CNC equipment under roughly ten years old with maintenance logs that survive inspection. Third, at least one employee who can set up and run unattended, which proves the shop produces without the owner at the controls. Where none of those exist, the transaction frequently prices as equipment value plus a modest goodwill increment rather than as a going-concern multiple, and appraisers will often reconcile against auction value of the machine list. Sellers in this band should treat the machine appraisal as a floor negotiation, not an insult; buyers at this size are underwriting their own paycheck, and the SBA lender behind them is underwriting the equipment.

$1M to $3M revenue: SDE bridging to adjusted EBITDA

This band is where earnings-basis confusion causes the most damage, so brokers and buyers should state the basis on every number they exchange. IBBA Market Pulse Q1 2026 medians near 2.75x SDE for main street manufacturing (sub-$2M sale price, US) anchor the low end. Shops that have a working foreman or shop manager, and can present a credible adjusted EBITDA after a market GM salary, have traded at 4.0x to 5.5x adjusted EBITDA in DealStats-type private transaction data for NAICS 332710 (US, TTM through 2025).

The bridge logic is mechanical rather than mysterious. A shop with $600K SDE that requires a $150K general manager shows roughly $450K adjusted EBITDA. At that point 3.5x SDE and 4.7x adjusted EBITDA describe the same $2.1M price. Both framings are legitimate; blending them is not, and a listing that quotes “4.7x EBITDA” against the $600K SDE figure is asking $2.8M for a $2.1M shop. Buyers in this band include searchers, small strategics, and first-time independent sponsors, and each of them will rebuild the earnings bridge in the first week of diligence, so a seller gains nothing but a retrade by obscuring it.

$3M to $10M revenue: adjusted EBITDA

This is the heart of the lower middle market for machining, and it is where the recurring-program distinction begins to dominate price formation. Contract manufacturers in this band running scheduled releases against multi-year purchase agreements have traded toward 6.0x to 7.0x adjusted EBITDA. Spot-quote job shops of identical size have traded toward 5.0x, conditional on customer concentration staying below roughly 30 percent for the top account. The band’s center of gravity aligns with GF Data’s H1 2025 manufacturing average of 5.8x TEV/EBITDA on 22 sponsored deals (US, $10M-$250M TEV), recognizing that GF Data skews toward the larger and better-prepared end of this band.

Buyer competition changes character here as well. Below this band a seller is choosing among individuals; inside it a seller is often choosing among sponsor-backed platforms executing add-on programs, and the add-on buyer’s arbitrage math (worked through in the synthesis section) funds a bid that an individual buyer’s debt service cannot match. The practical consequence is that a well-prepared $5M revenue shop with program revenue can run a genuinely competitive process, while the same shop presented with spreadsheet-only financials and one 45 percent customer cannot.

$10M to $25M revenue: adjusted EBITDA

At this size, shops with $1.5M to $4M adjusted EBITDA become viable platform seeds rather than only add-ons, and sponsor competition adds roughly a turn versus the band below. The GF Data quality premium, its long-running spread for above-average financial performers, has historically added one to two turns for targets with above-average margins and revenue growth, and machining deals show the same pattern. Certification-carrying shops in this band routinely clear 7.0x adjusted EBITDA. Semiconductor-exposed and medical-exposed shops have printed at 8.0x or higher when backlog supported it, per industrials group commentary from Lincoln International and SPP Capital market updates.

Management depth becomes a gating item rather than a bonus at this size. A $15M revenue shop still run day to day by its founder prices like a large add-on; the same shop with a president, a quality manager, and a controller prices like a small platform, and the difference between those two descriptions has been worth a turn or more in observed processes.

$25M+ revenue: platform pricing, adjusted EBITDA

Platform pricing is negotiated against public and sponsor-exit comparables rather than broker rules of thumb. The observed 7.0x to 9.0x adjusted EBITDA baseline for diversified precision machining platforms rises to 8.0x to 11.0x with a full certification stack and majority program revenue (US, 2024 through H1 2026, banker-reported). Those ranges sit well below the disclosed Kaman/Arcline print of roughly 16x TTM EBITDA (announced January 2024, US public take-private) because Kaman carried proprietary aerospace products, aftermarket content, and public-company scale. Buyers use Kaman and Barnes/Apollo (approximately $3.6B total enterprise value, closed January 27, 2025) as ceiling references that define what fully institutionalized precision manufacturing is worth, not as comparables for a $30M revenue shop. A seller who walks into a process quoting Kaman math signals unfamiliarity with the market, and sophisticated counterparties price that signal too.

Multiples by Sub-Segment

All ranges below are adjusted EBITDA basis unless SDE is stated, US geography, trailing twelve months ending Q2 2026, and conditional on the size-band context above. A sub-segment premium never rescues a shop with 60 percent customer concentration or a 20-year-old machine list. Readers comparing across the cluster should note that metal fabrication shops, covered separately, trade on similar mechanics with different capex profiles, and that tool and die shops, the vertical’s closest cousin, carry their own benchmark set.

Job shop, make-to-print: discount to baseline

Pure make-to-print job shops quoting spot work carry the vertical’s discount: roughly 0.5 to 1.0 turns below the size-band baseline. A $5M revenue spot shop that would otherwise merit 5.5x may therefore trade at 4.5x to 5.0x adjusted EBITDA (DealStats NAICS 332710 pattern, US, 2024-2026). The discount reflects revenue that must be re-won order by order, quoting labor that scales with revenue, and gross margins exposed to reverse auctions run by procurement departments. Job shops mitigate the discount with repeat-customer documentation: a shop that can show 80 percent of trailing revenue from customers of three or more years standing quotes materially better than its contract structure alone implies, because tenure is the job shop’s substitute for paper.

Contract manufacturer, recurring programs: premium

Shops running scheduled releases under long-term agreements, Kanban or vendor-managed inventory arrangements, and annual blanket purchase orders price at a premium of roughly 1.0 to 2.0 turns over job-shop peers of equal size. The typical observed range is 5.5x to 7.5x adjusted EBITDA in the $3M-$10M revenue band (US, TTM Q2 2026), consistent with the top half of GF Data manufacturing prints. The premium is a revenue-quality argument: a buyer can underwrite next year’s releases from this year’s contract file instead of from a win-rate assumption. Diligence in this sub-segment focuses on program life-cycle position, because a program in its final production year is recurring revenue with an expiration date, and buyers model program roll-off explicitly.

Aerospace and defense: AS9100, ITAR, NADCAP premium

Aerospace and defense machining with AS9100 certification, ITAR registration, and NADCAP special-process approvals has been the most consistently bid sub-segment since 2023. Shops with $2M+ adjusted EBITDA, qualified part numbers on active platforms, and multi-year LTAs have traded at 7.0x to 9.0x adjusted EBITDA, with platform-scale assets reaching 8.0x to 11.0x (US, 2024 through H1 2026), per industrials M&A commentary from Harris Williams and Baird. The strategic logic is visible in consolidator behavior: CORE Industrial’s Cadrex acquired D&R Machine, a CNC precision machining supplier to aerospace and defense, specifically for that qualification moat.

Public ceiling references belong in this section, clearly labeled as ceilings. TransDigm and Heico have sustained public-market EBITDA valuations in the high teens to twenty-plus range on proprietary aftermarket content. Ducommun trades as the closest public pure-play in aerostructures and machined components. No private shop gets those numbers; they define the top of the strategic staircase that a certified private shop climbs one rung of at sale.

Medical device: ISO 13485 premium

ISO 13485-certified machining with validated processes, device history documentation, and FDA-registered customer relationships has priced at 7.0x to 9.5x adjusted EBITDA at the $2M+ EBITDA level (US, 2024-2026). The premium is stickier through cycles because device demand is less cyclical than industrial capex. Sponsor appetite is well documented: CORE Industrial’s PrecisionX Group, built around precision metal components including medical applications, sold to Windjammer Capital in April 2026 after a 38-month hold. The valuation gate in this segment is validation transferability: buyers pay the premium only when process validations survive a change of ownership without requalification risk at the customer, and diligence teams interview the customer’s quality function to confirm it.

Semiconductor and optics: the highest observed private multiples

Semiconductor capital equipment machining (chambers, pedestals, high-purity components) and precision optics machining commanded the vertical’s highest observed private multiples: 8.0x to 11.0x adjusted EBITDA for qualified suppliers with $3M+ EBITDA, with strategic outliers above that when a buyer needed qualified capacity (US, 2024 through H1 2026, banker-reported ranges from Lincoln International and Piper Sandler industrials coverage). Two forces drive the premium. The CHIPS and Science Act’s $52.7B program pulled fab construction and toolmaker demand onshore. Qualification cycles at semiconductor OEMs also run long enough that buying a qualified shop beats building one. The offsetting risk is violent cyclicality: buyers underwrite through-cycle EBITDA, not peak-year EBITDA, and they structure earnouts around the difference.

Swiss-turn and micro-machining: specialty scarcity

High-precision Swiss-turn shops running 20-plus spindle counts with bar feeders, and micro-machining specialists holding sub-0.0005 inch tolerances, traded at 6.0x to 8.5x adjusted EBITDA in the $1M-$4M EBITDA range (US, TTM Q2 2026). They price above generalist job shops of equal size because the capability is scarce, the parts are small and freight-insensitive, and the customer base (medical, connector, defense fuzing, watch and instrument work) reorders continuously. PMPA, the Precision Machined Products Association, publishes the canonical operating benchmarks for this sub-segment’s cost structure. The discount risk is operator dependency: Swiss setup talent is among the scarcest in the trade, and a shop whose setups live in one machinist’s head prices like a job shop regardless of its machine list.

PE-backed platform: the structural reference

Sponsor-assembled machining platforms define the exit bid for everything above. The named consolidators active in precision machining and components include Arcline (Kaman plus machining and engineered products), CORE Industrial Partners (PrecisionX, Incodema, Cadrex), MiddleGround Capital, Align Capital Partners, May River Capital (stated precision machining thesis), Wynnchurch Capital, American Industrial Partners, Bertram Capital, Blue Point Capital, Center Rock Capital, Hidden Harbor Capital, ShoreView Industries, and Tenex Capital. These names appear here as structural evidence of buyer depth; where their individual deal multiples are undisclosed, no multiple is attributed. Platforms of $10M+ EBITDA with certification stacks and integration track records have exited at 8.0x to 11.0x adjusted EBITDA (US, 2024-2026, sponsor exits per banker commentary), and that exit arithmetic funds every add-on bid below them.

What Moves the Multiple: 17 Drivers

The drivers below are ranked roughly by observed pricing impact. Each states its typical effect conditionally. Drivers stack, but no combination of positives fully offsets a fatal concentration or key-person problem, and buyers price the worst fact in the file before they price the best one.

1. Recurring program share versus spot work (the dominant driver)

The percentage of trailing revenue under scheduled releases, LTAs, or blanket POs is the first number sophisticated buyers ask for, and it typically separates pricing by 1.0 to 2.0 turns at equal size (US, TTM Q2 2026, consistent with the quality-premium spreads in GF Data manufacturing prints). A shop above roughly 60 percent program revenue is underwritten on contract paper. A shop below 20 percent is underwritten on its quote log and win rate, which is a harder story to finance. Sellers can move this driver before a sale by converting repeat spot customers to annual blankets; the conversion costs a price concession on the parts, but it often returns a multiple of that concession at exit because every converted dollar reprices at the higher turn.

2. Customer concentration

Top-customer share above roughly 30 percent triggers structural responses in observed deals: earnouts, escrows, or price reductions. Above 50 percent, many sponsors simply pass or bid a full turn lower. Concentration interacts with the program driver in ways sellers should understand: a 40 percent customer under a three-year LTA with change-of-control consent secured prices better than a 25 percent customer on spot POs. Diligence teams verify concentration against invoice registers rather than the seller’s summary, which is standard quality of earnings scope, and the register never lies the way a pivot table can.

3. Certification stack: AS9100, ISO 13485, NADCAP, ITAR, CMMC

Certifications gate access to premium end markets, so they price as revenue-quality infrastructure rather than as plaques on the lobby wall. AS9100 plus ITAR registration plus relevant NADCAP approvals has supported the 7.0x to 9.0x adjusted EBITDA aerospace band described above; ISO 13485 supports the medical band. The newest gate is cybersecurity: the Department of Defense’s CMMC program final rule took effect in December 2024 with phased contract insertion beginning in 2025. Defense machining shops without a credible CMMC Level 2 path are already being discounted for the remediation capex and the contract-eligibility risk, and that discount will widen as insertion deadlines arrive.

4. Equipment vintage and capability mix

Buyers price the machine list twice: once as replacement capex avoided and once as capability. A shop whose CNC fleet averages under ten years old with documented maintenance, and which includes 5-axis machining centers or Swiss-turn capacity, avoids the deferred-capex haircut that older fleets absorb roughly dollar for dollar against price. The benchmark spread is stark: Modern Machine Shop Top Shops data shows leading shops reinvesting about 9.5 percent of gross sales in capital equipment versus 3.5 percent for others. The underinvestors are the shops that show a healthy EBITDA today and hand the buyer a $2M machine bill tomorrow, and every experienced buyer has learned to look for exactly that pattern.

5. Lights-out automation and pallet systems

Unattended spindle hours are the cleanest proxy for labor-decoupled capacity. Shops running pallet pools, bar feeders, or robot tending through unattended nights and weekends demonstrate that revenue can grow without matching headcount, which buyers reward inside the band and occasionally above it. The same Top Shops benchmarking program shows top-quartile shops posting median profit margins near 13.5 percent versus 8 percent for the field. Automation intensity is one of the most consistent separators in that dataset, and it is one of the few drivers a seller can move within a single year.

6. Operator dependency and the machinist bench

A shop where quoting, programming, and customer relationships all route through the owner prices at the bottom of its band or below it, because the buyer is purchasing a job, not a business. The BLS Occupational Outlook Handbook projects on the order of 48,000 combined annual openings for machinists and tool and die makers, mostly replacement demand. A buyer therefore cannot assume the labor market will backfill a departing crew, and priced accordingly. Documented cross-training matrices, an under-45 age distribution, and a working second-in-command each move price; the companion analysis on how owner dependency affects valuation covers the mechanics.

7. Backlog visibility and LTAs

Firm backlog measured in months of revenue is the machining equivalent of remaining performance obligations. Shops entering diligence with six-plus months of firm, scheduled backlog and signed LTAs give lenders and investment committees a bridge across the closing period, which supports both price and cash-at-close percentage. Backlog quality matters as much as quantity: releases against active programs count, while unpriced framework agreements do not, and a backlog schedule that mixes the two invites a retrade the moment the buyer’s QoE team separates them.

8. End-market mix

Aerospace, defense, medical, and semiconductor exposure carries the premiums quantified in the sub-segment section. Agricultural equipment, oil and gas, and general industrial exposure carries the cyclicality discount. Buyers build a revenue-by-end-market table in the first week of diligence, and a shop that cannot produce one from its ERP is simultaneously signaling the ERP problem described in driver 12. Sellers should build that table themselves before going to market, because the buyer’s version of it will be built either way.

9. The prototyping-to-production ladder

Shops that catch customers at prototype and ride part numbers into production own a structural growth engine that pure production shops lack. The consolidators have paid for this explicitly: CORE Industrial’s Incodema platform combined rapid prototyping with four precision machining acquisitions precisely to hold customers across that ladder. Sellers with a documented prototype-to-production conversion history should present it as a growth thesis with named part numbers, because a growth thesis with part numbers is diligence-able and a growth thesis without them is a slide.

10. Quoting sophistication

Quote turnaround time and estimated-versus-actual margin discipline separate shops more than any single machine purchase. Platforms using modern quoting and estimating systems such as Paperless Parts can demonstrate win rates, quote volumes, and margin capture by customer, which converts the sales function from folklore into diligence-ready data. A shop quoting from spreadsheets and memory can still sell well, but it forfeits the ability to prove its own pipeline, and unproven pipelines get discounted rather than credited.

11. Scrap rate and first-pass yield

Quality economics show up twice: directly in material and labor waste, and indirectly in the customer scorecards that determine program renewals. Shops that track first-pass yield and scrap by part number, and can show customer quality ratings above program thresholds, defend their gross margin line in QoE and protect the renewal assumptions in the buyer’s model. NTMA operating cost benchmarking and PMPA program data are the reference frameworks buyers use to test whether a target’s cost structure is real or flattering, and sellers should benchmark themselves against the same references first.

12. ERP maturity

Whether the shop runs ProShop, ECI JobBOSS, or another job-shop ERP matters less than whether job costing is actually used: real routings, real time collection, real margin-by-job reporting. ERP maturity is a multiple driver because it collapses diligence risk. A buyer who can tie the P&L to job-level detail closes faster and retrades less, and speed of certainty is worth money on both sides of the table. Shops running on tribal knowledge frequently survive QoE only with material purchase-price adjustments.

13. Reshoring and CHIPS exposure

The Reshoring Initiative counted 244,000 announced reshoring and FDI jobs in 2024. The CHIPS program’s $52.7B in funding continues to pull semiconductor supply chains onshore. Buyers pay for demonstrated reshoring wins, meaning a named part family moved from an overseas supplier to the target, rather than for thematic exposure. They discount the theme entirely where the target cannot name a single resourced program, so sellers should document specific wins with dates, customers, and part families.

14. Defense budget exposure

Defense-exposed machining benefits from multi-year procurement visibility, with the FY2026 national defense budget request at approximately $1.01 trillion including munitions and shipbuilding lines that flow directly to machined-component suppliers. The valuation treatment is conditional rather than automatic. Sole-source positions on funded programs price at the top of the aerospace and defense band. Competitively re-bid build-to-print defense work prices closer to general job-shop levels, because the moat is thinner than the end market suggests.

15. Tariff and material pass-through exposure

With Section 232 steel and aluminum tariffs at 50 percent as of June 2025, material-cost pass-through language in LTAs became a diligence checklist item. Shops with indexed material clauses or documented surcharge acceptance kept gross margins intact through 2025. Shops holding fixed-price multi-year agreements without escalators absorbed the increase, and buyers now model that absorption explicitly rather than accepting a normalized margin assertion.

16. Facility, lease, and environmental posture

Owned real estate offered alongside the business, or a market-rate lease with adequate term, removes a closing obstacle. A related-party lease at below-market rent hides an expense that QoE will normalize downward, reducing adjusted EBITDA and price with it. Environmental diligence on coolant, cutting-oil, and plating-adjacent operations is standard in this vertical. A Phase I environmental site assessment with no recognized conditions is the cheapest multiple protection a seller can buy before going to market, and buyers read its absence as a signal.

17. Growth rate against the sector base rate

Manufacturing’s long-run GF Data norm of 5.6x TEV/EBITDA (GF Data, US, sponsored deals) is the gravity that individual shops escape only with demonstrated growth. A shop compounding revenue at 15 percent with flat headcount gets underwritten as an automation story. A shop flat for five years gets underwritten as an annuity and priced accordingly. Growth claims must reconcile to the quote log and customer adds, not to a hockey-stick forecast, because buyers in this vertical have seen the forecast before.

Trend and Trajectory: 2019 Through Mid-2026

2019 baseline. Pre-pandemic, lower middle market machining traded in a familiar groove. Manufacturing deals in GF Data’s series averaged in the mid-5x TEV/EBITDA range against a long-run manufacturing norm of 5.6x (US, sponsored deals $10M-$250M TEV). Main street shops traded at 2.5x to 3.5x SDE in broker-reported data of the period. Aerospace was the bid segment, and the 737 MAX grounding was the cloud hanging over it.

2020 shock and the 2021-2022 peak. The pandemic split the vertical: medical and defense machining held or gained while aerospace build rates collapsed, and then the 2021-2022 liquidity wave lifted everything at once. All-industry middle market averages pushed above 7x in GF Data’s series during that window. Cheap debt let sponsors stretch, and certification-carrying shops printed at ranges that 2019 sellers would not have believed. The federal funds rate spent 2021 at 0 to 0.25 percent per the Federal Reserve’s H.15 series, and multiple expansion in that vintage was in meaningful part a financing phenomenon rather than an operating one.

2023-2024 compression. The Fed’s hiking cycle took the target range to 5.25 to 5.50 percent by July 2023, per the same Federal Reserve H.15 series. Debt service coverage tightened, and the machining bid bifurcated hard: aerospace, defense, and medical specialty shops kept their premiums while generalist job shops gave back a turn or more. BizBuySell marketplace data shows the small end weakening into 2025, with manufacturing transactions down 11 percent for the year and the median sold manufacturing business at $650,000. The disclosed ceiling deals of this window told the other half of the story: Kaman/Arcline (announced January 2024, roughly $1.8B) and Barnes/Apollo (announced October 2024, closed January 2025, roughly $3.6B) showed that institutional capital would still pay fully for precision aerospace content even at peak rates.

2025 through Q2 2026: the selective rebase. Three forces set the current market. First, rates: the FOMC’s cuts brought the target range to 3.50 to 3.75 percent, held again on June 17, 2026. That restored roughly 175 basis points of debt-service headroom versus the peak and revived the SBA-financed buyer pool documented in the SBA lender rankings. Second, demand mix: reshoring announcements of 244,000 jobs in 2024 per the Reshoring Initiative, CHIPS-funded fab construction, and an FY2026 defense budget request near $1.01 trillion combined to make qualified domestic machining capacity scarce in exactly the sub-segments that were already premium. Third, transaction evidence: BizBuySell recorded manufacturing deal volume up 16 percent year over year in Q1 2026, and GF Data’s Q3 2025 report flagged rising multiples on slowing volume. The rebase is real but selective: the spread between a certified program shop and a spot-work job shop of the same size is as wide in mid-2026 as at any point in this series, and sellers should read the trend as a quality market, not a rising tide.

Vintage note. Any multiple quoted without its vintage is unusable. A 2021-vintage 7x on a generalist shop and a 2026-vintage 7x on the same shop describe different businesses in different financing regimes. Every range in this report is explicitly TTM Q2 2026 unless otherwise dated, and readers should demand the same discipline from any comp they are handed.

Deal Structure: How Machining Deals Actually Close

Cash at close. In the sub-$5M price band, SBA 7(a)-financed deals dominate, and the structure is typically 80 to 90 percent cash at close funded by senior debt plus buyer equity, with a 5 to 15 percent seller note standing behind the SBA loan. Current SBA pricing benefits directly from the 3.50 to 3.75 percent federal funds range. The SBA acquisition lender rankings track which lenders are actually closing manufacturing deals rather than just quoting them.

Seller notes. Above the SBA band, seller notes of 10 to 20 percent of price remain standard in sponsor and independent-sponsor deals, usually on 4 to 6 year terms. They function as both financing and a behavioral bond on the transition: a seller carrying paper answers the phone during the first program renewal.

Earnouts tied to program retention. Machining earnouts increasingly key on program and customer retention rather than raw EBITDA. A typical structure holds back 10 to 20 percent of headline price contingent on named top customers renewing releases or LTAs through 12 to 24 months post-close. This maps the vertical’s dominant risk, which is program loss at transition, onto the party best positioned to manage it. Benchmark structures by deal size are covered in the founder earnout benchmarks guide.

Rollover equity. Sponsor platform and add-on deals commonly ask sellers to roll 10 to 30 percent of proceeds into the acquiring entity, aligning the seller with the platform’s exit. The machining consolidation arc shows why that can matter: CORE’s PrecisionX exited to Windjammer in April 2026 after a 38-month build, and rolled equity in a well-run platform can be the largest check a seller ever receives. Market norms are detailed in the founder rollover equity benchmarks.

Diligence infrastructure. Machining QoE engagements focus on job-level margin reconciliation, percentage-of-completion and WIP accounting, owner add-backs, and customer concentration verification. Provider tiers and pricing are compared in the QoE provider comparison. On deals above roughly $15M enterprise value, representations and warranties insurance now routinely replaces large indemnity escrows, and carrier appetite for manufacturing risk is mapped in the R&W insurance carrier comparison.

Working capital pegs. Machining deals carry heavier working capital mechanics than service businesses because WIP, raw stock, and progress billings are material. Pegs are typically set on a trailing 12-month average with explicit WIP valuation methodology agreed at the LOI stage. Disputes cluster where the seller’s WIP was never costed properly in the ERP, which is one more reason driver 12 prices the way it does. Readers comparing against asset-light siblings should note that industrial distributors, which trade on working-capital-heavy economics of a different kind, negotiate pegs around inventory turns rather than WIP costing.

Who Is Buying: Five Buyer Types and What Each Typically Pays

The same shop receives different bids from different buyer types because each underwrites different economics. Sellers who understand which buyer their shop actually fits avoid the most common process failure: marketing a $700K SDE job shop to sponsors who cannot buy it, or selling a certifiable aerospace shop to an individual who cannot pay for the certification stack.

Individual buyers and searchers (SBA-financed). These buyers dominate below roughly $5M enterprise value, and their bid is set by debt service. An SBA 7(a) structure at current rates supports roughly 2.5x to 4.0x SDE with 10 percent buyer equity and a seller note, which is why the BizBuySell and IBBA medians cluster where they do. Individual buyers pay up for shops they can run without deep machining backgrounds, which means documented processes, a working foreman, and a clean ERP move price more with this buyer type than with any other. They rarely pay certification premiums, because they cannot expand into certified work quickly enough to monetize them.

Independent sponsors. Deal-by-deal sponsors bid between searcher and funded-PE levels, typically 4.0x to 5.5x adjusted EBITDA in the $1M-$2M EBITDA range (US, TTM Q2 2026, observed structuring). They lean hardest on seller notes and earnouts because their equity arrives deal by deal. They are often the best buyer for a shop that is one fix away from platform quality, because they underwrite the fix rather than penalizing the flaw.

Private equity add-on buyers. Sponsors executing consolidation theses pay the most reliable premiums in the vertical, because the arbitrage math in the synthesis section funds a bid a full turn above standalone value. The behavior is documented at cadence: CORE Industrial’s portfolio companies acquired 14 precision manufacturing businesses in a 24-month run, and the named consolidator list in the sub-segment section represents active machining-specific capital. Add-on buyers pay for capability gaps such as a Swiss department, a NADCAP process, or a semiconductor qualification, and they discount for overlap with what they already own.

Private equity platform entries. A first machining acquisition for a fund needs scale, management, and systems, which is why platform entry pricing at 7.0x to 9.0x adjusted EBITDA concentrates above $3M EBITDA (US, 2024-2026, banker-reported). Sellers below that line rarely receive platform bids no matter how good the shop is. Processes that chase platform pricing for add-on-sized assets stall, and stalled processes leak into the customer base.

Strategics. Operating companies buy machining capacity for qualification speed: buying a qualified supplier is faster than the multi-year qualification cycle at aerospace, medical, and semiconductor OEMs. Strategic bids are the least predictable and occasionally the highest, particularly for semiconductor and optics capability. They are also the most likely to retrade on integration diligence, and they concentrate in the sub-segments where qualification is the moat.

Worked Example: From Shop P&L to Enterprise Value

The following is a derived illustration showing how the benchmarks above combine on a realistic target. Every number is constructed for the example; none is a published statistic.

The shop. A Midwest CNC shop with $4.5M revenue and 22 employees, AS9100 certified, with roughly 55 percent of revenue from aerospace customers, running 14 machining centers with a nine-year average fleet age. Reported pre-tax income is $520K.

Step 1: normalize earnings. The QoE-style bridge starts from reported income and adds back owner compensation of $260K, owner vehicle and insurance items of $40K, and a one-time legal settlement of $55K, reaching $875K of SDE. Charging a market general manager at $165K fully loaded converts that to approximately $710K of adjusted EBITDA. Both numbers are true; they answer different questions. The quality of earnings process exists to make this bridge auditable rather than asserted.

Step 2: select the band. At $4.5M revenue, the shop sits in the $3M-$10M band, which priced at 5.0x to 7.0x adjusted EBITDA in the TTM Q2 2026 data reviewed above. The unadjusted midpoint would suggest roughly $4.3M enterprise value at 6.0x.

Step 3: apply the drivers. The certification stack and aerospace mix argue for the aerospace band entry point near 7.0x, but two offsets apply. The top customer is 38 percent of revenue. Program revenue is only about 45 percent of the book, with the rest quoted spot. The concentration alone pulls the range down roughly half a turn and invites an earnout structure. A supportable bid range is therefore approximately 6.0x to 6.75x adjusted EBITDA, or $4.26M to $4.79M enterprise value, before working capital and structure.

Step 4: structure the risk. A realistic add-on term sheet at $4.5M headline might carry 80 percent cash at close, a 10 percent seller note, and a 10 percent earnout contingent on the 38 percent customer renewing its LTA through 18 months post-close, consistent with the earnout benchmarks by deal size. If the buyer is a sponsor platform, a rollover ask of 15 to 20 percent of proceeds would be normal per the rollover equity benchmarks.

Step 5: read the counterfactuals. The same shop with the top customer at 22 percent and program revenue at 65 percent supportably prices at 7.0x to 7.5x adjusted EBITDA, or roughly $5.0M to $5.3M. That is a derived difference of approximately $600K attributable entirely to revenue quality. The same shop without AS9100 and without aerospace mix prices as a generalist at roughly 5.0x to 5.5x adjusted EBITDA, or $3.6M to $3.9M. The spread between the worst and best version of this identical machine list and headcount is roughly $1.7M, which is the whole argument of the driver section compressed into one example.

Preparing a Machine Shop for Market: The 12-24 Month Value Plan

Sellers who start 12 to 24 months before a process capture pricing that late starters cannot, because most drivers move slowly. The sequence below orders the work by return per month of lead time. It is operating guidance, not advice on whether or when to sell.

Months 0-3: make the numbers auditable. Close the books monthly, tie job-level costing to the P&L, and pull three years of revenue by customer and by end market from the ERP. Every week spent here removes a retrade later, because purchase-price adjustments cluster where WIP and add-backs cannot be verified. A sell-side QoE or QoE-readiness review at this stage costs a fraction of the retrades it prevents; provider options are compared in the QoE provider comparison.

Months 3-9: convert the book. Move repeat spot customers to annual blanket agreements or LTAs, prioritizing the largest accounts first, because driver 1 pays one to two turns and reprices every converted dollar. Where the top customer exceeds 30 percent, push new-business development at accounts two through five instead of chasing more volume at the top, since concentration offsets recurrence in the buyer’s model.

Months 3-12: fix the people story. Name and develop a second-in-command who can quote, schedule, and manage customers. Document setups and programs out of individual heads, and build the cross-training matrix buyers ask for; the owner-dependency analysis covers why this driver prices so heavily. Hiring into the machinist shortage takes quarters, not weeks, which is why this workstream cannot start at LOI.

Months 6-18: invest where buyers pay back. Capital decisions in the sale window should follow the driver list. Automation that adds unattended hours and maintenance that closes the deferred-capex gap both return at the multiple. Speculative capacity additions without contracted demand return at zero. The Top Shops capex benchmark near 9.5 percent of sales for leading shops is the reference point buyers will quietly compare against.

Months 6-18: complete or refresh the certification stack. An AS9100 or ISO 13485 build takes roughly 9 to 18 months from a standing start. CMMC Level 2 readiness has become a parallel requirement for defense work under the phased DoD rollout. Per the synthesis section below, a completed stack with revenue flowing through it has returned multiples of its cost at exit, while a certificate without certified revenue returns close to nothing, so certification investment belongs only where the customer pipeline exists.

Months 12-24: run the process into the right buyer pool. Match the process to the buyer type section above. SBA-financeable shops go broad through brokers. Add-on-sized certified shops go to the named consolidators and their bankers. Platform-scale assets warrant a banked process. Sellers can sanity-check headline expectations against the size-band spine and the business valuation calculator, remembering that every range in this report is conditional on diligence findings.

Original Synthesis: Three Derived Insights

These three insights are derived arithmetic built from the sourced data above. They are analytical constructions, clearly labeled as such, not published statistics.

1. The recurring-program premium, quantified

Take two $6M revenue shops with identical $1.0M adjusted EBITDA (US, TTM Q2 2026 framework). The spot-work job shop prices at the low end of its band, roughly 5.0x, or $5.0M enterprise value. The contract manufacturer with 70 percent of revenue under scheduled releases prices at roughly 6.5x, or $6.5M, using the band mid-to-high range supported by GF Data quality-spread behavior and banker commentary. The derived premium is approximately $1.5M of enterprise value, or 30 percent of the job shop’s price, attributable to contract structure rather than to any difference in machines, people, or current-year earnings. The practical corollary for sellers: converting even half of a repeat spot book to annual blanket agreements in the 18 months before a sale is plausibly the highest-return commercial project available, because each converted dollar of revenue is repriced at the higher turn. The conditional: the premium collapses if conversion concentrates the book, since driver 2 offsets driver 1 turn for turn.

2. The certification-stack premium over the job-shop baseline

Stack the sub-segment bands against the generalist baseline for a shop with $2.0M adjusted EBITDA (US, TTM Q2 2026 framework). The generalist job shop bottom is roughly 5.0x, or $10.0M enterprise value. The AS9100 plus ITAR plus NADCAP aerospace shop at 7.0x to 9.0x implies $14.0M to $18.0M on identical earnings. The derived certification-stack spread is therefore roughly $4M to $8M, or 2.0 to 4.0 turns, against a total certification acquisition and maintenance cost that industry references such as NTMA and PMPA member benchmarking place in the low-to-mid six figures over a multi-year build. Even allowing a full $1M of cumulative certification, audit, and quality-system cost, the derived return on a completed certification stack exceeds 4x at the low end of the spread. The conditional: certifications only price when revenue actually flows through them, so a dormant AS9100 certificate with no aerospace customers earns approximately none of this spread, and buyers check certified-revenue percentage, not the certificate.

3. PE consolidator arbitrage math

The consolidation model prices out as follows (derived illustration, US, 2024-2026 framework). A platform buys add-on shops at 5.0x to 6.0x adjusted EBITDA in the $3M-$10M revenue band, integrates them under one certification stack, one quoting system, and one sales function, and exits the combined platform at the 8.0x to 11.0x range documented for certified platforms above $10M EBITDA. On $2M of add-on EBITDA bought at 5.5x ($11M) and exited at 9.0x ($18M), the derived multiple-arbitrage gain is $7M before any operational improvement, or roughly 64 percent of entry price from repricing alone. The CORE Industrial PrecisionX arc, assembled from 2023 and exited to Windjammer in April 2026, is the live demonstration that this cycle completes in the current market, even though its specific entry and exit multiples are undisclosed and are not asserted here. The conditional for sellers: this arithmetic is exactly why platform buyers can outbid individual buyers by a full turn and still make their model work, and why a seller’s best price usually comes from the buyer who is mid-consolidation in the seller’s sub-segment. The conditional for buyers: the arbitrage only clears if integration actually happens, because a platform of un-integrated shops re-trades at add-on prices, not platform prices.

Methodology

Scope. This report benchmarks control-transaction pricing for US precision machining and CNC machine shop businesses (NAICS 332710 machine shops; NAICS 332721 precision turned products) from 2019 through the trailing twelve months ending Q2 2026, across five revenue bands and seven sub-segments. It sits within our industrial and manufacturing M&A multiples series, and readers looking for owner-operator valuation education across manufacturing broadly should start with our general manufacturing valuation multiples guide instead; this spoke is specifically an M&A transaction benchmark for precision machining.

Earnings bases. SDE (seller’s discretionary earnings) is used for owner-operated businesses under roughly $3M revenue. Adjusted EBITDA, after a market-rate general manager charge, is used above that. No range in this report blends the two bases, and every stated multiple carries its basis inline.

Source hierarchy. Ranges are triangulated in this order: (1) subscription transaction databases (GF Data and DealStats, with BizComps and PeerComps as small-deal checks); (2) survey and marketplace series (IBBA Market Pulse, BizBuySell Insight Reports); (3) investment bank industrials commentary (Baird, Harris Williams, Lincoln International, Piper Sandler, SPP Capital); (4) disclosed public transactions and filings (SEC EDGAR, company press releases); (5) operating benchmarks (Modern Machine Shop Top Shops via Gardner Intelligence, NTMA, PMPA, SME) used for driver analysis, never for multiples.

Named-deal policy. Only transactions with disclosed enterprise values appear with numbers attached: Kaman/Arcline and Barnes/Apollo. PE consolidator activity (CORE Industrial, Windjammer, and the named sponsor list) is cited structurally, with no multiple attributed where none was disclosed.

Known biases. Database ranges understate failed processes and overstate prepared sellers. GF Data covers only sponsored deals above $10M TEV and therefore reads high relative to the full market. BizBuySell covers marketplace-listed small businesses and therefore reads low. Broker survey data (IBBA) reflects reported rather than audited terms. Ranges in this report are set to bracket those biases rather than to average them.

Rate context. All current-market statements assume the federal funds target range of 3.50 to 3.75 percent held at the June 17, 2026 FOMC meeting, per the Federal Reserve H.15 release.

Limitations. This is educational market commentary. It is not investment advice, not legal advice, not tax advice, not accounting or financial advice, and it is not an appraisal under USPAP or any other standard. Any specific shop can price outside every range in this report for reasons visible only in diligence.

Source Quality Ranking

Rank	Source	Type	Strengths	Limitations
1	GF Data	Subscription transaction database (sponsored deals $10M-$250M TEV)	Verified sponsor submissions; size and quality cuts; long series	Excludes non-sponsored and sub-$10M deals; reads high for main street
2	DealStats (BVR)	Subscription transaction database	NAICS-level machine shop granularity (332710, 332721); stated earnings basis per record	Mix of asset and stock sales; reporting lags
3	IBBA Market Pulse	Quarterly broker survey	Main street and LMM split; SDE and EBITDA reported separately	Survey-reported, not audited; broad manufacturing category
4	BizBuySell Insight Reports	Marketplace transaction series	Large sample of true small-business sales; quarterly cadence	Small-deal skew; cash flow field is seller-reported
5	SEC EDGAR filings and deal press (Kaman, Barnes)	Disclosed transactions	Fully verifiable enterprise values and terms	Public-company scale; ceiling reference only
6	Investment bank industrials groups (Baird, Harris Williams, Lincoln, Piper Sandler, SPP)	Quarterly commentary	Current sponsor-market color; sub-segment premiums	Marketing documents; ranges not auditable
7	Modern Machine Shop Top Shops / Gardner Intelligence	Operating benchmark survey (3,000+ shop responses)	Canonical machining P&L and capex reference	Not a valuation source; self-selected respondents
8	NTMA and PMPA benchmarking	Trade association operating data	Cost-structure ground truth for job shops and turned products	Member-only detail; not transaction data
9	Reshoring Initiative	Policy and demand tracking	Only consistent reshoring jobs series	Announcement-based; announcements are not shipments
10	PE consolidator press (CORE Industrial, Arcline, peers)	Deal announcements	Proves buyer depth and strategy	Terms almost never disclosed; structural evidence only

Excluded by policy: unsourced broker blogs, automated valuation calculators, and any multiple that arrives without a basis, size band, vintage, and geography.

For Journalists and Researchers

Press summary (150 words)

US precision machining and CNC machine shop acquisitions repriced upward through mid-2026, but the market is rewarding quality, not the sector. Owner-operated job shops under $1M revenue still trade at roughly 2.5x to 4.0x seller’s discretionary earnings, in line with IBBA Market Pulse manufacturing medians near 2.75x. Contract manufacturers with $3M to $10M revenue and recurring program work command 5.0x to 7.0x adjusted EBITDA, bracketing GF Data’s 5.8x to 6.5x manufacturing averages. Aerospace, medical, and semiconductor specialty shops with AS9100, ISO 13485, or NADCAP credentials clear 8.0x to 11.0x. The disclosed ceiling remains Arcline’s roughly $1.8 billion take-private of Kaman at about 16x trailing EBITDA. With the Fed holding rates at 3.50 to 3.75 percent, reshoring announcements of 244,000 jobs in 2024, and private equity consolidators completing full buy-and-exit cycles, qualified domestic machining capacity has become a priced asset.

Five headline options

1. CNC Machine Shop Valuations Split in 2026: Certified Aerospace Shops Fetch Double the Multiple of Spot-Work Job Shops
2. What a Machine Shop Is Worth in 2026: 2.75x Earnings on Main Street, 11x for Semiconductor Suppliers
3. Private Equity Completed Its First Full Machining Roll-Up Cycles. Sellers Are Reading the Exit Math.
4. Reshoring Made Qualified US Machining Capacity Scarce. The M&A Market Just Repriced It.
5. The $8 Million Certificate: How AS9100 and ITAR Credentials Move Machine Shop Sale Prices

Frequently asked questions

1. What is the average multiple for a CNC machine shop in 2026?

There is no single average worth using. Owner-operated shops under $1M revenue trade around 2.5x to 4.0x SDE, mid-sized contract manufacturers around 5.0x to 7.0x adjusted EBITDA, and certified specialty shops at 8.0x adjusted EBITDA or more, per the size-band table in this report (US, TTM Q2 2026).

2. What is the difference between an SDE multiple and an EBITDA multiple for a machine shop?

SDE adds back one full owner’s compensation; adjusted EBITDA charges the business for a market-rate manager. The same shop can show 3.5x SDE and 4.7x adjusted EBITDA on the identical price, so the basis must always be stated.

3. Why do aerospace machine shops sell for more than general job shops?

AS9100, ITAR, and NADCAP credentials gate access to long-cycle funded programs, and qualification switching costs make certified suppliers hard to replace, which supported 7.0x to 9.0x adjusted EBITDA pricing versus roughly 5.0x for generalist shops of the same size.

4. Does owning newer CNC equipment increase the sale multiple?

Fleet vintage mostly works through capex avoidance: buyers deduct deferred equipment spending from price roughly dollar for dollar, so a sub-ten-year fleet with maintenance logs protects the multiple rather than adding turns above the band.

5. How does customer concentration affect a machine shop sale?

Top-customer share above roughly 30 percent typically triggers earnouts or price adjustments, and above 50 percent many buyers pass entirely; concentration is verified against invoice registers during quality of earnings.

6. What did the Kaman acquisition tell the machining market?

Arcline’s roughly $1.8 billion take-private of Kaman, announced January 2024, printed near 16x trailing EBITDA per PE Professional’s calculation, confirming ceiling pricing for proprietary aerospace content, but it is not a comparable for private job shops.

7. Are private equity firms really buying small machine shops?

Yes, as add-ons: named consolidators including CORE Industrial Partners assembled and exited whole precision machining platforms between 2023 and 2026, and platform buyers routinely acquire shops with $500K to $2M EBITDA.

8. How do interest rates change machine shop valuations?

Debt service caps what financed buyers can pay; the Fed’s move from a 5.25 to 5.50 percent peak down to the current 3.50 to 3.75 percent range restored borrowing headroom that supports the 2025-2026 multiple rebase, especially in SBA-financed deals.

9. What is recurring revenue in a machine shop context?

Scheduled releases under long-term agreements, blanket purchase orders, and Kanban or VMI programs; shops above roughly 60 percent program revenue price one to two turns above spot-quote peers of the same size.

10. Is reshoring actually increasing machine shop values?

Selectively: the Reshoring Initiative counted 244,000 announced jobs in 2024, and buyers pay premiums for shops with named resourced programs, but small manufacturing transactions still fell 11 percent in 2025 per BizBuySell, so the tailwind prices only where it is demonstrated.

Related Research

• Industrial and Manufacturing M&A Multiples 2026 (the cluster pillar this spoke reports into)
• Metal Fabrication M&A Multiples 2026 (sibling spoke: similar mechanics, different capex profiles)
• Industrial Distribution M&A Multiples 2026 (sibling spoke: working-capital-heavy economics)
• Tool and Die M&A Multiples 2026 (sibling spoke, the vertical’s closest cousin, publishing in parallel with this report)
• Manufacturing Business Valuation Multiples (broad owner-operator guide; this spoke covers precision machining M&A transaction benchmarks specifically, while that guide serves general manufacturing valuation education)
• SBA Acquisition Lender Rankings 2026
• Founder Earnout Benchmarks by Deal Size 2026
• Founder Rollover Equity Benchmarks 2026
• QoE Provider Comparison 2026
• R&W Insurance Carrier Comparison 2026
• Business Valuation Calculator

Build Notes Appendix

• Three Kings. Target keyword family “precision machining M&A multiples” with secondary “CNC machine shop multiples.” King 1 (title tag) and King 2 (H1) are carried by the post title as written; King 3 is carried by the first substantive paragraph, which opens on the target keyword.
• Earnings-basis integrity. Every multiple in this report carries its basis (SDE or adjusted EBITDA), size band, vintage, and geography inline; no range blends bases.
• Named-deal integrity. Only Kaman/Arcline (~$1.8B TEV, ~16x TTM EBITDA per PE Professional) and Barnes/Apollo (~$3.6B TEV, ~2.5x revenue, no EBITDA multiple asserted) carry transaction numbers, both fully disclosed. All sponsor consolidator references are structural, with no undisclosed multiples attributed.
• Voice gate. This draft was written to zero hits against the CT voice-gate exclusion set, with zero em-dashes and zero en-dashes including the title; re-verify with the standard scanner before publish.
• Source hyperlinks. Every named data source is hyperlinked at first mention; re-verify all external URLs at build time, and confirm the Tool and Die sibling spoke resolves before publish, since it ships in the same batch.
• Framing. “Not advice, not appraisal” language appears in the introduction, methodology, and limitations; retain all three placements in the page build.
• Vintage and rate anchors. All current-market ranges are TTM Q2 2026, US, anchored to the federal funds target range of 3.50 to 3.75 percent held June 17, 2026 (Fed H.15); historical claims carry their own vintages.