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Buying an Environmental Services Business: The 2026 Buyer’s Playbook

Updated June 2026 · CT Acquisitions

Buying an environmental services business in 2026 means underwriting one of the most regulation-protected verticals in lower-middle-market M&A. Between 2022 and 2025 the category absorbed three landmark transactions: Republic Services bought US Ecology for $2.2B at roughly 11x EBITDA (May 2022), KKR took Heritage-Crystal Clean private at $1.2B (March 2024), and WM closed its $7.2B Stericycle acquisition (November 2024). The EPA’s April 2024 PFAS final rule added a multi-decade remediation tailwind for any operator handling PFAS-impacted soil, water, or industrial waste. For buyers, two things matter most: permit-portfolio depth and MSA mix. The first creates a moat. The second creates a multiple.

This guide is the buyer’s playbook for environmental services acquisitions in 2026. It covers how hazardous waste, remediation, industrial cleaning, and emergency response businesses are underwritten, which operational signals separate a 5x cash-flow buy from a 12x platform asset, what deal structures sellers accept when permit transfers are on the critical path, and how to close acquisitions that actually compound after the regulatory dust settles.

Why buying an environmental services business is a conviction play

Three structural tailwinds are compounding inside environmental services right now, and unlike most consolidation theses, they reinforce each other rather than fight for the same dollar.

First, regulation as a moat. The RCRA Part B Treatment, Storage and Disposal Facility (TSDF) permit is the most underappreciated barrier to entry in the lower middle market. The EPA has not issued a new commercial Part B incinerator permit in over two decades. Transferring an existing Part B permit takes 12 to 36 months and requires modified-permit applications, state agency review, public comment, and financial assurance documentation. A target with a clean Part B permit history is functionally a regulated utility in its service radius.

Second, customer stickiness via MSA. Industrial customers do not switch environmental providers casually. Audit risk, chain-of-custody documentation, manifest reconciliation, and EPA generator status implications make switching expensive. Operators with master service agreements covering scheduled service, emergency response, lab pack, and parts washer rentals routinely show 90%+ revenue retention.

Third, the PFAS replacement cycle. The EPA’s April 2024 PFAS final rule designated PFOA and PFOS as hazardous substances under CERCLA. Add the DoD AFFF replacement program, EPA’s 2024 MCL rule for six PFAS compounds in drinking water, and state legislation in Maine, Minnesota, and California, and the regulated handler list is the bottleneck. Operators with active PFAS handling capability are scarcity assets.

The combination is rare: utility-like permit barriers, sticky industrial MSA revenue, and a generational regulatory tailwind. The best sellers know this, and the strategics know it too. Pricing has moved.

What buying an environmental services business actually costs in 2026

Valuation ranges are wide because operational quality is wide. A $4M EBITDA T&M industrial cleaner in a single state with no Part B permit is a different asset than a $4M EBITDA remediation specialist holding two state generator permits, a transporter permit, and 45% MSA revenue.

The spread between 5x and 12x is not random. It is explained by six factors, and every sophisticated environmental services buyer models them explicitly:

• Permit portfolio depth. RCRA Part B handler permits, state TSDF licenses, NPDES discharge permits, and DOT hazmat transporter authority are the headline assets. Buyers apply platform multiples to permitted revenue and lower multiples to non-permitted services.
• MSA and retainer mix. Master service agreements, retainer programs, and parts washer rental contracts are the recurring revenue base. 40%+ MSA mix wins platform pricing.
• Customer concentration. Below 8% from any single industrial account is platform-grade. Above 20% triggers a 10 to 20% multiple discount. Above 30% is often a deal breaker, particularly when the customer is an oil major or chemical plant that may insource.
• Crew certification depth. 40-hour HAZWOPER coverage, supervisor 8-hour annual refreshers, CDL hazmat endorsements, and OSHA 1910.120 documentation. Buyers do a roster-level certification audit and adjust for gaps.
• Equipment fleet quality. Vacuum trucks, hydroblast units, roll-off bins, parts washers, and air monitoring equipment. Buyers underwrite remaining useful life and post-close capex requirement.
• Environmental liability tail. Past CERCLA exposure, ongoing consent orders, NPDES violations, and historic property contamination on owned facilities. Buyers price the legal tail explicitly via reps and warranties insurance or escrow.

The 2026 pricing reality

Because strategic acquirers and PE platforms are competing aggressively for permitted targets, pricing has compressed upward. Republic Services paid 11x EBITDA for US Ecology in May 2022 ($2.2B, the anchor comp for any Part B holder). KKR took Heritage-Crystal Clean private in March 2024 at roughly $1.2B. WM closed Stericycle in November 2024 at $7.2B. Platform-grade operators in the $5M to $15M EBITDA range routinely receive multiple LOIs at 9x to 11x.

For independent and search-fund buyers competing with strategics and PE platforms, the implication is that you either need a differentiated thesis (geography the platforms overlook, sub-segment the strategics treat as non-core, a specific permit class), or you need to move to the $1M to $3M EBITDA band where strategic buyers are less active. In that range, valuations are still 5x to 7x SDE and founders often prioritize non-price terms like permit-transfer commitment and crew preservation.

The six buyer archetypes in environmental services

Understanding which buyer you are (and which you compete against) changes how you structure offers.

1. Strategic majors

Clean Harbors (NYSE: CLH, roughly $5B market cap), WM (NYSE: WM, post-Stericycle), Republic Services (NYSE: RSG, post-US Ecology), and Veolia. They acquire platforms with permit portfolios that fill geographic or service gaps, pay the highest multiples for scarcity assets, and move quickly when an LOI fits their thesis. Target profile: $10M+ EBITDA, multiple state permits, MSA-heavy revenue, fleet density in target geography.

2. PE platforms

Heritage-Crystal Clean (KKR, March 2024), Cypress Industrial Services, Ranger Environmental, USES, USEC, and next-generation plays from mid-market sponsors. 5 to 30 add-ons over a 3 to 5 year hold. Target profile: $2M to $15M EBITDA, 30%+ MSA mix, defensible permit base, management team in place. They write 60 to 75% of purchase price at close.

3. Strategic regionals

Mid-sized regional operators (often PE-backed at the platform level) filling geographic gaps or adding service-line capability. They pay competitive multiples for targets that complete a regional permit footprint. Integration tends to be more thoughtful since they already operate in the category and understand permit-transfer mechanics.

4. Independent sponsors

Deal-by-deal capital, usually a single principal or small team with LP commitments assembled per transaction. They compete well on creative structuring (earnouts, rollover equity, seller financing) when they cannot match strategic pricing. Good fit for sellers who want a long-term partner and accept a slightly lower headline number for better deal certainty during permit transfer.

5. Search funds

Individual operators with institutional backing looking for one business to run. Multiples: 5x to 7x SDE. Target profile: $1M to $3M SDE, state-level permits (not Part B), established industrial customer base, processes that do not require the founder. Good fit for founders who want a clean exit and accept the SBA permit-transfer timeline.

6. Family offices

Long-hold capital (10 to 25 year horizon) that does not need a platform exit. Price similarly to PE platforms but with more patience on integration and less pressure on debt. Attractive to sellers prioritizing legacy and regulatory continuity. Increasingly active in environmental services as the PFAS thesis attracts evergreen capital.

The RCRA permit portfolio: where deals are actually won

No category in lower-middle-market M&A is more permit-driven than environmental services. The permit portfolio is the moat, the multiple driver, and the most common reason deals fall apart in diligence. Buyers who do not understand the permit mechanics consistently overpay or underestimate close-timing risk.

RCRA Part B handler permits

Issued under the Resource Conservation and Recovery Act for treatment, storage, or disposal of hazardous waste at a fixed facility. The application can run 500+ pages, the review cycle averages 18 to 36 months, and the financial assurance requirement (closure and post-closure cost coverage) can run into millions. The EPA has not issued a new commercial Part B incinerator permit in over two decades. A target holding a clean Part B permit history with no open consent decrees is functionally a regulated utility.

Part B permit transfer mechanics

In a stock deal, the Part B permit travels with the legal entity. In an asset deal, the buyer files a permit-modification application with the state agency (or EPA in unauthorized states) and completes a public comment cycle. Realistic timelines: 12 months for a clean transfer with a cooperative seller; 24 to 36 months when there are open enforcement actions, financial assurance gaps, or operator-change scrutiny. Asset-deal buyers routinely fund a transition services agreement where the seller operates under the existing permit until transfer completes.

State generator and transporter permits

Below Part B, the permit stack includes state Large Quantity Generator (LQG) status, state hazardous waste transporter permits, DOT hazmat transportation permits (HM-181 commodities), NPDES industrial discharge permits, and state-issued used oil collection permits. These transfer more easily (typically 60 to 180 days) but still require advance planning. A multi-state transporter with active authority in 15 states is more valuable than a Part B holder operating in one.

HAZWOPER and crew certification

OSHA 29 CFR 1910.120 requires 40-hour HAZWOPER training for any crew handling hazardous waste, plus 8-hour annual refresher, plus 24-hour supervisor training. Buyers pull the roster, verify currency, and model the cost of any gaps. A crew where 30% of technicians are due for refresher inside 90 days is a hidden capex line.

The permit isn’t a checkbox. It’s the asset. Buyers who treat the Part B portfolio as a regulatory afterthought wind up paying for cash flow they thought was permitted, and they discover in month nine that 40% of the revenue runs through capacity they cannot legally renew.

Due diligence when buying an environmental services business

Generic M&A due diligence is necessary but not sufficient for environmental services. The category-specific signals are where value creation and destruction happen. Here is what experienced buyers do in addition to standard quality of earnings, legal, and insurance review.

Revenue mix decomposition

Do not accept the seller’s definition of recurring revenue. Pull 24 months of invoices and bucket each into: scheduled MSA service, emergency response, project remediation, transportation only, lab pack, parts washer rental, used oil collection, and waste disposal pass-through. Pass-through disposal revenue typically carries 5 to 10% gross margin and is not platform revenue. Sellers classify aggressively. Buyers who do not rebuild the mix routinely overpay by 10 to 20%.

Permit and consent order audit

EPA ECHO database, state agency enforcement portals, and the target’s own compliance file. Pull every Notice of Violation, consent order, NPDES discharge monitoring report (DMR) violation, and Compliance Order from the last 84 months. A single open consent order can delay a Part B transfer by 12 months and trigger seller-side indemnification negotiations.

Customer concentration stress test

Pull the top 20 customers by revenue and trailing 12 month gross profit. Identify which customers are transferable (industrial accounts with bid-required vendor lists) versus at-risk (founder-relationship oil majors, chemical plant managers tied personally to the seller). Model loss scenarios where 50% of the top-10 industrial customers churn post-close. The most painful surprises come from sole-source EPA cleanup contracts where the target was the listed responder of record and the contract may not legally transfer.

Environmental liability tail

Phase I and II ESAs on every owned facility, paying particular attention to historic operations (legacy solvent use, parts washer effluent, drum staging areas). CERCLA potentially responsible party (PRP) letters against the legal entity. Pending NPDES, RCRA, or CWA litigation. Sellers routinely understate the legal tail. Buyers underwrite this via reps and warranties insurance (typical premium 2.5 to 4% of policy limit, retention 0.5 to 1% of enterprise value).

Fleet and equipment review

Roll-off bins, vacuum trucks (typical 8-year useful life), hydroblast units (5 to 7 years), parts washer inventory, frac tanks, and air monitoring kits. Build a fleet schedule with model year, hours, replacement cost, and remaining useful life. A target with 60% of vacuum trucks at end of life is a $2M to $5M post-close capex line item that buyers must price into the LOI.

Insurance and workers’ comp claim history

Environmental services carries elevated workers’ comp exposure (confined space entry, chemical exposure, lift injuries from drum handling). Pull 5 years of loss runs and the experience modification rate (EMR). EMR above 1.10 signals safety culture issues that destroy margins post-close. EMR below 0.90 is platform-grade.

Regulatory roster

EPA generator ID numbers, state hazardous waste licenses, DOT hazmat transportation permits, state contractor licenses (where required for remediation), and NPDES discharge permits. Build a state-by-state matrix showing every permit, expiration date, and transfer pathway. Missing any of these is a deal-killer for sophisticated buyers.

Structuring the offer when buying an environmental services business

The best buyers win on structure as often as on price. A well-structured offer can beat a higher nominal offer if it matches what the seller actually cares about, particularly when permit transfer timing is on the critical path.

The standard environmental services deal structure (2026)

• Cash at close: 60 to 75% of total consideration. Slightly lower than HVAC because permit-transfer risk justifies more held back.
• Seller rollover equity: 5 to 20% in platform deals where the seller continues operating. Often higher than in other verticals because rollover keeps the permit-holder on-payroll during transfer.
• Earnout: 10 to 25% over 18 to 36 months, typically tied to MSA renewal rates and permit-transfer completion milestones.
• Escrow: 10 to 15% held 18 to 36 months against environmental indemnification claims. Frequently supplemented with reps and warranties insurance.
• Seller note: 0 to 10%, subordinated to senior debt. More common in independent sponsor and search fund deals than strategic transactions.

Where smart buyers differentiate

The offer components sellers weight most heavily in environmental services (in order): cash at close, permit-transfer plan and timeline, environmental indemnification structure (cap, basket, survival), key employee retention (especially licensed responsible managers), and cultural continuity. Price per se is often the fourth or fifth factor for founders approaching retirement, particularly when the seller has personal CERCLA exposure as the named permittee.

Buyers who win on non-price factors typically: pre-commit to employee retention bonuses (3 to 6 months salary for named licensed managers and senior technicians), structure earnouts with achievable floors (90% MSA retention triggers a minimum payment), use reps and warranties insurance to reduce escrow drag, and commit to a defined permit-transfer plan with named regulatory counsel.

The earnout trap

The most destructive element of an environmental services deal is an earnout tied to metrics the seller cannot control during permit transfer. An earnout tied to post-close EBITDA penalizes the seller for a regulatory timeline neither party controls. The structures that work: MSA renewal percentage, permit-transfer completion milestones, environmental compliance metrics (zero NOVs, zero DMR exceedances), and crew retention rate.

Integration after buying an environmental services business

Strategic buyers publicly cite their integration playbooks. The reality is more variable than the decks suggest. The environmental services deals that compound are the ones where buyers respect three principles.

Do not consolidate dispatch until permits transfer

Buyers consolidating dispatch into a centralized operations center in month one routinely break revenue. Industrial customers have site-specific access protocols, named responder requirements, and security clearances that travel with crews, not with corporate phone numbers. Consolidate after permits transfer and after crews are stabilized, not before.

Lock in licensed managers before customers know

The licensed responsible manager named on the RCRA Part B permit is the most important employee in the building. If that manager leaves before the permit transfer completes, the buyer has a regulatory crisis. Smart buyers structure retention bonuses (typically 20 to 30% of annual compensation, paid over 18 to 24 months) tied to remaining through permit transfer plus 12 months. This should be finalized before close, not after.

Preserve the safety culture

Environmental services businesses run on safety culture. Founders frequently spend 20 to 30% of their time on toolbox talks and post-incident reviews. Buyers who delegate safety to a corporate EHS function in month one consistently see EMR drift and workers’ comp losses spike. Embed corporate EHS resources alongside the existing safety lead and change deliberately over 12 to 18 months.

Financing an environmental services acquisition

Capital structure varies by buyer type, but 2026 patterns are consistent.

SBA 7(a) loans

Independent buyers and search funders commonly use SBA 7(a) financing for environmental services deals up to $5M. SBA rates are typically prime plus 2.0 to 2.75%, with 10-year amortization. The constraints: SBA requires the seller to exit operationally within 12 months, which conflicts with the permit-transfer timeline on Part B deals. Most SBA-financed environmental services deals are for state-permitted operators (not Part B holders) where transfer can complete inside the SBA window.

Commercial bank acquisition lending

Regional and community banks with environmental services experience will lend 2.5x to 4.0x EBITDA at prime plus 1.5 to 2.5%. Cash flow covenants are typical. Best for deals where the business has predictable MSA margins and clean environmental compliance history.

Mezzanine and unitranche

For platform deals or larger independent deals ($5M+ EBITDA), mezzanine or unitranche financing bridges senior debt and equity. Rates run 10 to 14% with warrants. Common providers: Twin Brook, Monroe, Antares, regional SBIC funds, and specialty lenders comfortable with environmental liability tails.

Seller financing

Often 5 to 15% of purchase price, subordinated, 5 to 7 year term. Rates typically 6 to 8%. Particularly useful in environmental services because the seller note structure aligns the founder with permit-transfer success during the seller-operated transition period.

Red flags that kill environmental services deals

Some deals should not close. The patterns that consistently predict post-close failure:

• Open EPA or state consent order. Any active enforcement action will delay or block permit transfer. Pull EPA ECHO data independently.
• Financial assurance gap. Part B permittees must maintain financial assurance for closure costs. A gap (under-collateralized trust fund, lapsed surety bond, inadequate corporate guarantee) is a transferred liability buyers routinely underprice.
• Customer concentration above 35%. Particularly when the customer is an oil major or chemical plant with insourcing optionality. A single contract loss wipes out the deal’s economics in year one.
• Quality of earnings reveals 15%+ EBITDA adjustment. Usually from owner compensation, related-party transactions, or aggressive disposal pass-through margin treatment. Anything above that range and the diligence premium typically makes the deal uneconomic.
• EMR above 1.25 or fatality history. Signals systemic safety culture failure. Workers’ comp pricing will be punitive post-close, and customer compliance audits will surface the history.
• Phase II ESA reveals historic contamination on owned property. Often a deal-killer unless the buyer can isolate the contaminated parcel or structure aggressive seller indemnification with reps and warranties insurance backup.

The PFAS tailwind when buying an environmental services business

The EPA’s April 2024 final rule designating PFOA and PFOS as CERCLA hazardous substances opened a multi-decade remediation pipeline. Add the April 2024 drinking water MCL rule for six PFAS compounds, ongoing DoD AFFF cleanup obligations, and state legislation in Maine, Minnesota, and California, and the regulated handler base is the bottleneck.

For buyers, the underwriting question is binary: does the target have PFAS-capable destruction, treatment, or disposal capacity, and is that capacity permitted? Granular activated carbon regeneration, ion exchange resin handling, supercritical water oxidation, and high-temperature incineration are the relevant technologies. Operators with active PFAS treatment cells and manifest history showing PFAS waste codes command revenue multiples above category averages.

The risk: PFAS regulation is still evolving. Buyers paying a full PFAS premium for targets without permitted destruction capacity are paying for optionality that may not materialize. The conservative approach is to value PFAS revenue at category-average multiples and treat the pipeline as upside.

The CT Acquisitions perspective

We work both sides of the environmental services market: introducing sellers to qualified buyers and sourcing deal flow for institutional buyer networks that have engaged us. Our observations from the last 36 months of environmental services M&A:

• The best deals are not always the highest-priced. Sellers with Part B permits get the strongest outcomes when they prioritize permit-transfer execution alongside price. A buyer who pays 11x and breaks the permit transfer destroys more value than one who pays 10x and gets the regulatory choreography right.
• Strategic buyers are slower than they look. Publicly-traded majors have diligence processes that often run 120 to 180 days. Independent sponsors and family offices close in 90 days and win deals the strategics thought they had.
• Cultural diligence predicts post-close retention. Integration failures are rarely about financial misalignment. They are about buyers who promised operational continuity and then consolidated dispatch in month three.
• State-level nuance matters. Texas (TCEQ, oil and gas customer base, fast permit pathways) is fundamentally different from California (DTSC, hazmat-strict, premium pricing) or the Northeast (legacy industrial cleanup pipeline). Buyers without regional regulatory expertise consistently miss on pricing and timeline.

If you’re a buyer, here’s what we recommend

Whether you are a first-time search fund buyer, an independent sponsor, or a strategic acquirer looking for add-ons, the same playbook works:

1. Write down your thesis in one page. Geography, permit class, size, MSA mix, integration model, hold period. Everything you buy should be defensible against this thesis.
2. Build a deal-flow machine before you need deals. Proprietary sourcing typically outperforms broker-led processes on price and terms. This means direct outreach to state-licensed operators, relationships with environmental attorneys and EHS consultants, and presence at industry events.
3. Underwrite from the permit up. The best environmental services businesses are permit-defined. Your diligence should start with the regulatory file, not the financials. Your integration plan should start with the licensed responsible manager.
4. Do not mistake price for deal quality. Buyers who pay 10x for a platform-grade environmental services business with strong MSA mix, multi-state permits, and a documented compliance history typically return capital more reliably than buyers who pay 5x for a T&M operator that looks cheap on paper but cannot transfer permits.

Working with CT Acquisitions as a buyer

We maintain a qualified buyer network of strategic acquirers, PE platforms, family offices, independent sponsors, and search funders active in environmental services. We do not run broad auction processes. We match founders to the small number of buyers right for their specific business.

For buyers, this means: no wasted time on mis-fit deals, early access to deals not yet on market, and a sellers-first reputation founders trust. The buyer pays us at close.

If you are actively acquiring in environmental services, set up a 30-minute conversation to walk us through your thesis. We will be direct about whether our deal flow fits.

Frequently asked questions about buying an environmental services business

What EBITDA multiple should I pay for an environmental services business in 2026?

For platform-grade environmental services businesses with 40%+ MSA revenue, multi-state permits, and a documented compliance history, expect competitive bidding in the 8x to 11x EBITDA range. RCRA Part B permit holders with PFAS-capable destruction or treatment capacity routinely transact at 10x to 13x. T&M industrial cleaning operators without permits or MSA revenue typically transact at 5x to 6.5x. The factor that moves multiples most is the permit portfolio; MSA mix and crew certification depth are the next most important.

How long does it take to transfer an RCRA Part B permit?

In a stock deal, the Part B permit travels with the legal entity and no formal transfer is required (though notification to the state agency is mandatory). In an asset deal, the buyer files a permit-modification application and completes a public comment cycle. Realistic timelines: 12 months for a clean transfer in an authorized state; 24 to 36 months when there are open consent orders, financial assurance gaps, or operator-change scrutiny. Buyers structuring asset deals typically fund a transition services agreement covering the transfer window.

Can I use an SBA 7(a) loan to buy an environmental services business?

SBA 7(a) works for state-permitted operators (LQG, transporter, NPDES) up to $5M in purchase price. Rates are favorable (prime plus 2.0 to 2.75%) and 10-year amortization helps cash flow. The constraint is the SBA 12-month seller-exit requirement, which conflicts with RCRA Part B transfer timelines. Most SBA-financed environmental services deals are for non-Part B operators where permit transfer can complete inside the SBA window.

How do I source environmental services deal flow if I’m new to the category?

The most effective channels: direct outreach via EPA generator ID databases and state licensing portals; relationships with environmental attorneys, EHS consultants, and industrial real estate brokers; presence at Environmental Information Association and Hazardous Waste Operations conferences; specialist M&A advisors (CT Acquisitions among them); and broker-listed deals.

What is the biggest mistake first-time environmental services buyers make?

Underestimating the permit-transfer timeline and the licensed responsible manager dynamic. First-time buyers focus on the financial deal and discover in the first 90 days that the permit transfer will run 18 months longer than the LOI assumed, and the named permittee on the Part B is leaving for a competitor. Retention bonuses for licensed managers, transition services agreements covering the permit window, and named regulatory counsel from day one are essential.

How does the PFAS final rule affect environmental services acquisitions?

The EPA’s April 2024 PFAS final rule (designating PFOA and PFOS as CERCLA hazardous substances) plus the drinking water MCL rule for six PFAS compounds opened a multi-decade remediation pipeline. Operators with permitted PFAS destruction or treatment capacity (high-temperature incineration, GAC regeneration, ion exchange handling) are commanding premium multiples. Buyers should value PFAS revenue at category-average multiples and treat the PFAS pipeline as upside, not base case, because state and federal regulation is still evolving.

How much working capital do I need to close an environmental services deal?

For a $5M EBITDA environmental services business, expect to fund 10 to 15% of revenue in working capital at close (receivables, inventory, work-in-progress on remediation projects, disposal pass-through accruals). That is typically $2M to $4M on top of the purchase price. Financing structures usually fold this into the facility, but confirm with your lender before committing.

Do I need environmental industry experience to buy in this category?

It helps but is not required. The cleanest path for non-operators is acquiring a business with a strong licensed responsible manager in place, structuring a 18 to 24 month founder transition, and engaging environmental counsel from day one. Search funders and independent sponsors regularly acquire environmental services businesses with no prior industry experience using this structure. Avoid the absentee-owner thesis; this category is operations-intensive and regulatorily punitive when poorly managed.

Related resources for buyers

• Environmental services valuations and multiples (seller perspective): useful context on what sellers are being told
• Environmental services business valuation guide: detailed methodology and benchmark data
• Buying a waste hauling business: adjacent vertical with overlapping buyer set
• All buy-side acquisition playbooks: full library of vertical-specific buyer guides
• How to sell a service business: seller-side playbook (useful context for buyer conversations)