How to choose a commercial cleaning company

Start with a written scope of work, not a verbal promise

The number-one cause of frustration with a cleaning vendor is a mismatch between what you thought you were buying and what actually gets done. Avoid it by insisting on a written scope of work before you sign anything. A good scope lists every task and how often it happens: trash and recycling emptied nightly, restrooms cleaned and restocked nightly, hard floors mopped nightly, carpets vacuumed nightly, high-touch surfaces disinfected, glass and entry doors cleaned weekly, baseboards and vents detailed monthly, and so on.

Look for frequency tied to each line item, not a vague paragraph. 'We keep your office clean' is marketing. 'Restrooms: floors mopped, toilets and sinks disinfected, mirrors cleaned, paper and soap restocked, five nights per week' is a scope you can hold a vendor to.

A reputable company will usually want to do a free on-site walkthrough first. Square footage, floor types, restroom count, kitchen or break rooms, and traffic level all change the work and the price. A quote written without seeing the space is a guess, and guesses get re-priced later.

Test communication and response time before you sign

How a company communicates during the sales process is the best preview of how it will communicate once you are a client. If it takes three days and two follow-ups to get a quote, expect the same lag when a restroom gets missed on a Friday before a Monday client visit.

Ask directly: who is my point of contact, and how fast will I get a reply? For a small business in Sarasota or Tampa, the difference between a real person who responds within one business day and an answering service that routes you to a ticket queue is the difference between a problem solved overnight and a problem that festers for a week.

• Who do I call or text when something is wrong, and is it the same person each time?
• What is your typical response time to a service request?
• How do you handle after-hours or weekend issues?
• Will I get a heads-up if my regular cleaning night needs to move for a holiday?

Ask about the quality-control system

Cleaning quality drifts over time without a system to catch it. The first month is often great; month four is where standards slip if nobody is checking. Ask what the company actually does to maintain quality, not whether they 'care about quality' (everyone says yes).

Strong answers include periodic supervisor walkthroughs or inspections, a checklist the cleaner completes each visit, and a simple, fast way for you to flag an issue and get it fixed without a fight. The willingness to come back and re-clean a missed area at no charge is a good signal; a defensive reaction to feedback is a red flag.

Verify insurance and get a COI in your name

If a cleaner damages a $4,000 conference table or a worker is injured on your property, you do not want that liability landing on your business. Before work begins, require a current Certificate of Insurance (COI) showing general liability coverage, and ask to be named as an additional insured so a claim involving your premises is covered.

For added protection where staff work unsupervised after hours, you can also ask whether the company carries a janitorial bond, which covers theft by an employee. Verify that any policy is current, not expired, and confirm the coverage directly rather than taking a logo on a website at face value. For a deeper walkthrough, see our guide on cleaning insurance, bonding, and COIs.

Check references, retention, and backup staffing

A brand-new vendor relationship is a leap of faith, so reduce the risk by asking for references from current commercial clients of similar size and type. A medical office wants to hear from another medical office; a retail storefront wants another storefront.

Retention is the most honest metric a cleaning company has. Ask how long their typical client stays. Cleaners with happy clients keep them for years; cleaners with a revolving door of accounts usually have a reason. When you call a reference, ask the practical questions: Do they show up consistently? Is the quality steady or does it slip? How do they handle a complaint?

Is there a backup-staffing plan?

People get sick, take vacations, and quit. If your cleaning depends on one specific person with no plan B, you will eventually walk into an uncleaned office on a morning you cannot afford it. Ask explicitly how the company covers a route when the regular cleaner is out. You want to hear that there is cross-trained backup coverage and that someone will still show up. A solo operator can be an excellent choice for a small business, but be clear-eyed about coverage and ask what happens on the nights they cannot make it. A documented backup plan is one of the clearest dividers between a hobby and a business.

Compare the pricing model: flat monthly vs. hourly

There are two common ways commercial cleaning is priced, and they behave very differently on your books. Flat monthly pricing quotes a fixed price for a defined scope, which makes budgeting predictable and aligns the cleaner's incentive with finishing the work well rather than slowly. Hourly pricing bills for time on site, which can be flexible but can also produce surprise invoices and quietly rewards a slower pace.

For most offices, retail spaces, and professional suites on the Gulf Coast, a flat monthly price for a clearly written scope is the easiest to budget and the least likely to generate a billing dispute. As a reference point, recurring commercial cleaning commonly runs in the range of roughly 0.10 to 0.20 dollars per square foot per visit, with typical small-business contracts landing anywhere from about 300 to 2,800 dollars and up per month depending on size, frequency, and scope. Remember that in Florida, commercial (nonresidential) cleaning is subject to sales tax, so expect 6 percent plus any county surtax added to your invoice as a pass-through. Your exact number requires an on-site walkthrough.

Red flags to walk away from

• No written scope of work, or a refusal to put frequency in writing.
• A quote given over the phone without any walkthrough of the space.
• No proof of insurance, or stalling when you ask for a COI.
• Vague or evasive answers about who cleans your space and who supervises them.
• Pressure to sign a long contract immediately with no trial period or month-to-month option.
• Prices far below every other bid, which usually signals corners that will be cut later.

Frequently asked questions