Contracts beat crews
The cleaning industry’s low barrier to entry is exactly why the multiple depends so heavily on revenue quality. Anyone can buy vacuums and undercut on price, so a buyer is not paying for equipment, they are paying for contracts that renew. A janitorial company with a portfolio of nightly office-cleaning agreements has predictable, embedded revenue that a new competitor can’t easily poach; a residential deep-clean operator, however busy, is re-selling every job from scratch. That is why the same $600K of revenue can be worth 1.5× SDE in one business and near 3× in another.
What buyers check first
- Recurring commercial contract base. Share of revenue under ongoing agreement and average tenure.
- Customer concentration. The single biggest discount driver, one client over 25% of revenue compresses the multiple hard.
- Labor model and turnover. W-2 vs. 1099, wage rates, and how fast staff churns, labor is the whole cost structure.
- Owner involvement. Whether the seller still cleans, sells, and manages, or has built a supervisory layer.
In cleaning, you're not buying mops and clients, you're buying the contracts nobody can undercut you out of.
Concentration is the silent killer
Because cleaning contracts can be large, a single anchor client can quietly dominate the book, and that is the risk buyers punish most. When one contract runs above roughly 25% of revenue, losing it would gut the business, so buyers either discount the multiple by one to two turns or hold back part of the price contingent on that client staying. The most valuable cleaning companies are therefore not the ones with the single biggest contract, but the ones with the most diversified, renewing book of mid-sized commercial accounts.
Run the concentration math
Sort revenue by client. If the top account is more than a quarter of the total, model the business without it, that stress test is how buyers set both the multiple and the holdback.
Sources
- BizBuySell, Cleaning & Janitorial Valuation Benchmarks
- CT Acquisitions, Commercial Cleaning Business Valuation (2026)
- Connecteam, How to Value a Cleaning Business
- Buy Cleaning Business, Cleaning Business Valuation Explained
Cleaning valuation multiples, FAQ
About 2.3× SDE on average, with most owner-operator shops between 1.5× and 2.6× SDE. The multiple has risen in recent years, and larger commercial contract-based operations are valued on EBITDA at roughly 4×, 6×.
Commercial janitorial runs on recurring, embedded contracts, nightly office cleaning that renews and can’t easily be poached. Residential and one-time work is re-sold job by job and is easy to replicate. Recurring contracts reduce buyer risk, so a contract-based book earns a materially higher multiple than a one-off cleaning business at the same revenue.
A lot. A single contract above roughly 25% of revenue is the biggest discount driver in cleaning and can cut one to two turns off the multiple, because losing it would cripple the business. Buyers respond by lowering the price or holding back consideration until that client renews. Diversified books are worth more than concentrated ones.
Keep going
Compare every sector on the industry multiples hub, learn the buy playbook in our how to buy a cleaning & janitorial business guide, price a specific deal with the valuation calculator, and see the broader market in our SMB statistics.
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