Back Office for Pressure Washing Businesses

Whitelow Legacy Group handles the business side for pressure washing and exterior cleaning companies: the LLC, permits, the paperwork commercial accounts demand, and books that show which route actually makes money. Pressure washing scales fast from residential driveways to commercial contracts — and commercial clients will not sign with someone who cannot produce an entity, a licence and a certificate of insurance.

Commercial work is where the paperwork gate is

Residential pressure washing can run informally for a long time. Commercial cannot. Property managers, HOAs, restaurant groups and facilities companies all ask for the same things before they will sign: a registered business entity, a local licence, proof of general liability insurance, a W-9, and often a signed service agreement on their terms or yours.

Owners who cannot produce that package lose the bid before anyone looks at their work. Owners who can produce it in an afternoon win accounts that recur every quarter. The gap between those two is paperwork, and paperwork is fixable.

Water, chemicals and the rules that come with them

Pressure washing carries obligations some trades do not. Wash water runoff is regulated in many municipalities, particularly for commercial surfaces and anything involving degreasers, and some areas require containment or reclaim. Chemical handling has its own rules. These vary a lot by location, so we research what actually applies where you work rather than offering a general answer.

The rest is the usual foundation: an entity, licences in each city, contracts that handle recurring commercial scope, and books that separate one-off residential jobs from contracted commercial routes, because those two have very different margins.

What pressure washing businesses specifically need

  • An entity, licence and insurance certificate for commercial bids
  • Service agreements for recurring commercial accounts
  • Any local rules on wash water runoff and containment
  • W-9 and vendor onboarding paperwork ready to send
  • Books that separate residential jobs from commercial routes
  • Invoicing terms that survive a 30-day commercial payment cycle

Where we start

Licensing & Permits

Every license and permit your trade needs, researched, applied for and tracked for renewal.

Bookkeeping & Monthly Close

Books kept current in QuickBooks, closed monthly, with a summary that explains the numbers in plain English.

Everything else we handle

Frequently asked questions

What do commercial clients ask for before they will hire me?

Typically a registered business entity, a local business licence, a certificate of general liability insurance naming them, a W-9, and a signed service agreement. We get that package assembled so you can respond to a request the same day instead of losing a week.

Are there rules about where the wash water goes?

Often, yes, particularly for commercial work and anything using degreasers. Municipal stormwater rules vary a great deal by location. We research what applies in the areas you work rather than giving you a general answer that may not fit.

How do I handle 30-day payment terms?

With invoicing terms written into the agreement up front and books current enough that you can see what is outstanding. Commercial accounts pay on their cycle, not yours, so the planning has to happen before you take the work, not when the account is empty.

Reviewed by Jordon Whitelow, founder · Updated October 2026

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