Owner's Guides
Commercial Cleaning Companies for Sale: Selling a Cleaning Business
Who buys commercial cleaning and window cleaning companies, real multiples by size, contract risk, process and timeline, and how much you can sell for.
The contracts are the asset.
If you're weighing commercial cleaning companies for sale against your own numbers, the honest answer to "how much can I sell my cleaning business for" depends less on your revenue than on how your accounts are contracted and how much of the business runs through you personally. A route-based operator with verbal customer relationships and a manager-run commercial janitorial company with signed multi-year agreements can carry the same revenue and sell at completely different multiples. This page covers who is actually buying cleaning and window cleaning companies right now, what a business realistically prices at by size and contract quality, how the sale process runs, and where deals fall apart. UK owners should note the buyer landscape and consolidation activity described here is US-specific; contract law, SDS/COSHH rules, and financing norms differ.
BizBuySell tracked 797 reported cleaning and janitorial sales between 2021 and 2025, a mixed sample of residential, commercial, franchise, and window-cleaning businesses. Median sale price rose from $200,000 in 2021 to $325,000 in 2025, and median time on market ran 165 days. That's the small end of the market. At the top, named platforms backed by private equity are actively buying, and the two ends price on almost entirely different logic.
01
Who Is Buying Cleaning Companies Right Now
Individual owner-operators, often SBA-financed. The default buyer for a business with roughly $100,000 to $750,000 in seller's discretionary earnings (SDE). Pricing is usually anchored to what an SBA 7(a) loan, capped at $5 million, can service, and typically lands at 2.0x to 3.25x SDE. This buyer wants a short transition and is sensitive to whether accounts are documented and assignable, not just verbally "loyal."
Local cleaning competitors. Buying density, routes, or a specific account list. Often structured as an asset purchase with a short transition and a retention holdback when contracts are weak or the relationship runs through the owner personally. Realistic pricing is 1.5x to 3.0x SDE.
Search funds, independent sponsors, and family offices. Active from roughly $500,000 to $3 million in EBITDA, typically paying 4.0x to 7.0x EBITDA, with more flexibility than a bank-financed buyer on rollover, earnout, and how long you stay involved.
PE-backed janitorial add-ons. Usually targeting $1 million to $5 million EBITDA, sometimes smaller for the right geographic fit, and paying in the 4.5x to 7.5x EBITDA range for recurring contracts, low customer concentration, and management that stays. A 10% to 30% equity rollover is often requested. 4M Building Solutions, backed by O2 Investment Partners, completed five acquisitions in 2024, including Horizon Services, SG360, Hi-Tec Building Services, Thario Building Services, and Covenant Building Service, and reported roughly $250 million in projected 2024 revenue against $131 million in 2023, its 34th acquisition since 1978. Kleen-Tech Services, backed by Rainier Partners since a September 2025 platform investment, runs roughly 2,000 employees and nine brands across more than 30 states with a stated mandate to keep acquiring. H&B Facility Services, backed by Boyne Capital, launched as a new commercial cleaning and facility-services platform in May 2026. Sizemore, backed by Inspirit Equity since January 2026, is a Southeast janitorial, security, and staffing provider that acquired Carlson Building Maintenance in July 2026. Green Clean Commercial, acquired by SoftBank Robotics America in March 2026, is a newer buyer type combining traditional commercial cleaning with autonomous floor-care technology.
National strategics and facility-services consolidators. For larger regional businesses, multi-site contracts, or specialized niches, buyers include family-owned operators like Clean Team (which acquired JLCS in November 2025), Marsden Services, and Harvard Maintenance, plus scaled national players such as ABM Industries, GDI Integrated Facility Services, KBS (recapitalized by KKR, Ares, and BlackRock-managed funds in 2024), and The Facilities Group. These buyers can pay 4.5x to 8.0x EBITDA before platform premiums but usually aren't realistic buyers for a founder-dependent microbusiness.
Window-cleaning specialists. The clearest named example is S&K Building Services, a 17-branch commercial window-washing, pressure-washing, and metal and glass restoration operator across 11 states, acquired by RF Investment Partners in February 2025 with an explicit mandate to keep buying. Terms of that platform transaction weren't disclosed, so don't infer a multiple from it, but it confirms serious buyer interest in scaled window-cleaning operations.
02
What Buyers Actually Pay For
The multiple applies to normalized earnings, not raw revenue. Owner-operated businesses are usually priced on SDE (pretax profit plus one working owner's pay, benefits, interest, depreciation, and defensible add-backs). Once a professional manager is in place and paid a market salary, buyers shift to adjusted EBITDA, which must reflect normalized crew wages, payroll taxes, workers' compensation, insurance, vehicle costs, and bad debt. These two metrics are not interchangeable: an owner's replacement salary can turn a healthy SDE number into a much thinner EBITDA number, and the multiple has to match the metric.
What pushes the multiple up: signed, assignable service agreements with annual or multi-year terms, automatic renewal, and 60 to 90 day cancellation notice; documented renewal history and retention measured by cohort, not a claim that customers are "loyal"; no single client over 10% of revenue, with no property manager quietly controlling several nominally separate sites (concentration above 20% typically forces a holdback, earnout, or real multiple discount); account-level job costing showing labor hours, wage burden, and gross profit; a supervisor layer so the owner isn't required for daily dispatch; dense routes that let a buyer cut dead travel; and clean W-2 payroll with a solid OSHA and workers' compensation claims history.
What pulls it down: verbal agreements or contracts with anti-assignment or change-of-control termination clauses; customer or property-manager concentration; crews run as 1099 contractors when the control test points to employee status; owner add-backs that actually replace necessary labor, such as the owner acting as estimator, dispatcher, or quality inspector; stale pricing with no wage-escalator clause; and, for window cleaning specifically, missing high-rise anchorage certification, fall-protection training, or rescue plans, which can make a contract unserviceable to a buyer's lender.
03
Multiples by Size and Business Type
| Seller profile | Basis | Typical range | Confidence |
|---|---|---|---|
| Owner-operator, under $250,000 SDE, informal accounts | SDE | 1.5x-2.5x | reported/estimate |
| Established commercial janitorial, $250,000-$500,000 SDE | SDE | 2.25x-3.25x | estimate |
| Commercial janitorial, $500,000-$1M SDE, limited owner dependence | SDE or EBITDA | 2.75x-4.0x SDE / 3.5x-5.0x EBITDA | estimate |
| Under $1M adjusted EBITDA | EBITDA | 3.0x-4.5x | estimate |
| $1M-$3M adjusted EBITDA | EBITDA | 4.5x-6.0x | estimate |
| $3M-$5M adjusted EBITDA | EBITDA | 5.5x-7.5x | estimate |
| Over $5M adjusted EBITDA, scaled platform | EBITDA | 7.0x-12.0x | estimate, low confidence |
| Window cleaning, solo/route-based | SDE | 1.25x-2.25x | estimate |
| Window cleaning, multiple crews, repeat schedule | SDE | 2.0x-3.0x | estimate |
| Window cleaning, commercial-contract-heavy | SDE or EBITDA | 2.5x-3.5x SDE / 4.0x-6.0x EBITDA | estimate |
The one well-established anchor across this range is BizBuySell's closed-sale data: the 2021-2025 interquartile range for reported cleaning and janitorial sales was 1.57x to 2.66x SDE, median 2.07x, improving to a 2.30x average in 2025 alone. Everything above that band, and every commercial-only or window-specific tier, reflects broker and lower-middle-market guidance rather than an audited transaction database, because most janitorial deal prices are never disclosed. Revenue multiples sold in the same BizBuySell sample at 0.45x to 0.92x, median 0.63x, and should only be used as a cross-check: 0.8x revenue at a 10% EBITDA margin implies 8.0x EBITDA, while the same 0.8x at a 20% margin implies only 4.0x EBITDA. Never quote a revenue multiple without converting it.
Worked example. A commercial janitorial company runs $2.1 million in adjusted EBITDA, has a supervisor layer, signed multi-year contracts with 60-day cancellation notice, and no client above 8% of revenue. That profile sits at the strong end of its $1 million to $3 million tier, so a PE-backed add-on buyer prices it at 5.5x: enterprise value of $11.55 million. After $900,000 in funded debt payoff, a $250,000 working-capital adjustment against the seller, and $300,000 in transaction fees, equity proceeds land around $10.1 million before tax.
04
The Sale Process and Realistic Timeline
| Stage | Typical duration | What happens |
|---|---|---|
| Exit readiness and valuation | 2-6 weeks | Recast SDE or EBITDA, three years of returns, account-level revenue and concentration, payroll classification review |
| Contract and compliance cleanup | 2-8 weeks, often concurrent | Contract matrix (term, assignment, change of control), OSHA and insurance file review, high-rise or chemical compliance where relevant |
| Teaser, CIM, buyer list | 3-6 weeks | Anonymous geography and service mix, recurring-revenue bridge, cohort retention data |
| Buyer outreach, NDA, indications | 4-10 weeks | Separate SBA individuals, local strategics, PE platforms, and window/exterior specialists; require proof of funds |
| LOI negotiation | 1-3 weeks | Price metric, working capital, seller note, earnout, rollover, exclusivity, transition terms |
| Confirmatory diligence | 4-8 weeks | Quality-of-earnings review, payroll census, account profitability, safety and claims history, contract assignment |
| Financing, consent, approvals | 4-12 weeks, concurrent | SBA underwriting is usually the critical path; franchisor, lender, and key-customer consents run in parallel |
| Closing and transition | 30-90 days typical | Employee announcement, supervisor retention, customer introductions, route and access handover |
BizBuySell's observed median of 165 days on market doesn't include preparation time. A clean, small SBA-financed sale typically runs 6 to 10 months from preparation to close; a prepared strategic add-on can close in 4 to 7 months. Government contract novation, franchise consent, union workforce issues, or weak books can push either well past a year.
05
Deal Structure, Financing, and Taxes
SBA 7(a) loans can finance a full or partial change of ownership up to $5 million as of March 2026, usually modeled on a 10-year amortization with a personal guarantee and equity injection. Individual and SBA buyers often seek 80% to 90% acquisition financing plus a seller note; strategic and PE buyers can pay more cash but frequently ask for 10% to 30% rollover equity or a 6 to 24 month employment or consulting period. A higher headline price attached to an earnout or retention holdback is not the same as cash at close; compare present value and collection risk before accepting it.
On tax, most cleaning-company sales close as an asset deal. Buyer and seller typically file IRS Form 8594 with a consistent purchase-price allocation. Receivables and inventory generally produce ordinary income, gain on depreciated vehicles can trigger depreciation recapture, and goodwill held more than a year usually gets capital-gain treatment. The buyer amortizes acquired goodwill and other Section 197 intangibles over 15 years, which is part of why buyers lean toward asset deals and sellers toward stock deals for tax and liability continuity. Cleaning companies also run working-capital intensive despite light equipment, since payroll is often weekly while commercial customers pay in 30 to 60 days, so the working-capital peg deserves attention before the LOI is signed, not after.
06
Pitfalls That Kill Cleaning Business Deals
Pricing off revenue while ignoring labor economics is the most common mistake; buyers reprice on normalized SDE or EBITDA, and underbid accounts or unpaid overtime turn apparent recurring revenue into a liability. Treating every recurring account as automatically transferable is the second: anti-assignment clauses, change-of-control termination, and property-manager rebid triggers can remove the exact revenue a buyer thought it was purchasing. Misclassifying crews as 1099 contractors when the company controls schedule, method, uniform, and customer relationship can expose back wages, overtime, and workers' compensation liability that stops financing outright. Aggregating ten buildings under one property manager or REIT and calling it diversified customer concentration is a diligence red flag buyers catch quickly. And for window-cleaning operators, missing anchorage certification, fall-protection training, or incident records under OSHA's rope-descent rules (29 CFR 1910.27) can make a high-rise contract effectively unsellable, since a lender won't finance around that risk.
07
Frequently Asked Questions
Small reported cleaning deals had a 2021-2025 median of 2.07x SDE, with an interquartile range of 1.57x to 2.66x. A well-contracted, manager-run commercial company can reach roughly 2.75x to 4.0x SDE or 4.5x to 7.5x EBITDA at sufficient scale. Apply the multiple to normalized earnings, then bridge to debt, working capital, and tax to see what you actually keep.
Revenue is a cross-check, not the answer. Reported sold deals ranged 0.45x to 0.92x revenue, but margin differences make that figure unreliable on its own. Convert any revenue number into an implied SDE or EBITDA multiple before relying on it.
Not necessarily. Asset deals often require customer assignment and consent, stock deals can still trigger change-of-control language, and federal janitorial contracts may require formal novation under FAR Subpart 42.12. Review every material contract before you go to market.
Usually. Solo and residential window operators carry more owner and seasonal risk and price around 1.25x to 2.25x SDE. Commercial, crew-based window businesses with documented recurring routes and strong safety systems can reach 2.5x to 3.5x SDE, and scaled platforms are priced on EBITDA, though disclosed comparables like the S&K transaction don't reveal a usable benchmark multiple.
Yes. SBA 7(a) financing can fund an ownership change up to $5 million, subject to eligibility, buyer equity, repayment capacity, and lender underwriting. Seller-note standby terms need to be confirmed against current SBA policy before the LOI is signed.