How to Evaluate a Commercial Cleaning Company: Red Flags, Contracts, and What Good Looks Like

Key takeaway: Evaluate a commercial cleaning company on four pillars: insurance certificates, staffing and supervision, quality control and records, and the written scope and contract terms. The clearest red flags are a scope written as a sentence, no named site supervisor, and a figure offered before anyone has walked the building.

Why does your choice of commercial cleaning company matter?

Your cleaning company has unsupervised access to your entire facility, often after hours. Beyond cleanliness, you are trusting them with building security, the records your facility has to keep, and your organization's professional image. A poor choice leads to inconsistent quality, gaps in documentation, and constant vendor management overhead.

What to evaluate: the four pillars of a reliable cleaning company

1. Insurance and legal compliance

Before any other evaluation, confirm the documentation your lease or corporate policy requires:

• General liability insurance at the limits your lease or corporate requirements set
• Workers' compensation coverage for the crew working in your building
• Any additional coverage your lease, landlord, or risk policy names
• Certificates of insurance provided in writing, with your organization named as additional insured where required

Ask for current certificates during contracting and verify them directly with the insurance carrier. Certificates are exchanged before service begins and again at renewal.

2. Staffing, training, and supervision

The quality of a cleaning company is the quality of its people. Evaluate:

• Screening — what checks are performed before someone works in your building?
• Training programs — what does initial and ongoing training cover, and is it site-specific?
• Direct supervision — is a named site supervisor assigned to your account?
• Consistency — is the same primary team assigned to your building, with trained backup coverage?
• Who employs the crew — are the people in your building employed and supervised by the company you are contracting with, and if partners are used for any task, how is that disclosed and who is accountable?

3. Quality control and communication

Ask how the company ensures consistent results:

• Inspection process — who checks completed work, how often, and who signs the log?
• Documentation — are inspection logs and quality-review records provided, and are they part of the service plan?
• Issue resolution — how is a missed task raised, who owns it, and how is it closed?
• Ongoing communication — how are routine updates and issues communicated, and to whom?

4. Scope, pricing, and contract terms

A professional contract should leave no ambiguity:

• Detailed scope of work listing specific tasks and frequencies for each area
• Transparent pricing with no hidden fees or vague line items
• Termination clauses with reasonable notice periods for both parties
• Performance standards defining how quality will be reviewed
• Insurance maintenance required throughout the contract term

The commercial cleaning contract checklist lists every item an agreement should spell out, and the guide to comparing proposals line by line shows how to read two scopes against each other before you look at the figure.

Red flags when evaluating commercial cleaning companies

Pricing red flags

• Significantly lower than other bids — usually means cut corners on staffing, products, or supervision
• No site visit before quoting — accurate pricing requires assessing your specific facility
• Reluctance to provide written, itemized quotes — lack of transparency signals problems

Professionalism red flags

• Poor communication during the sales process — this will not improve after signing
• Unable or unwilling to provide references from similar facilities
• Vague contract terms without clear scope, pricing, or termination clauses
• No insurance documentation readily available — this is non-negotiable

Operational red flags

• No uniformed or identified staff — raises security and accountability concerns
• No quality control process — you will end up managing their cleaning for them
• A different crew every week — every new cleaner is relearning your building from scratch

Why the site walkthrough matters

Do not hire a cleaning company that quotes without visiting your facility. A proper walkthrough allows the company to:

• Assess actual square footage, floor types, and traffic patterns
• Identify specialized cleaning requirements or access challenges
• Understand your priorities, schedule constraints, and documentation needs
• Provide accurate, customized pricing rather than generic estimates

For medical offices and outpatient practices, the walkthrough is also where privacy behaviors, facility-approved products, and access rules are confirmed. The questions to ask a healthcare cleaning vendor cover what to raise before the proposal is written.

How to structure a trial period

Consider starting with a trial period that has an end date and a decision point written into the agreement:

• Set clear expectations and the scope to be reviewed against upfront
• Schedule check-ins at set points during the trial to review the inspection log together
• Request documented reports of completed work during the trial
• Retain the option to adjust scope or end the relationship

What a strong cleaning partnership looks like

The best vendor relationships share these characteristics:

• Regular communication about evolving facility needs
• Flexibility to adjust scope as your business changes
• Proactive identification and resolution of issues
• Consistent quality without constant oversight from your team

Evaluate Anderson Cleaning

We have served commercial facilities in Western Massachusetts and Northern Connecticut since 2007. Qualified prospects can review current coverage documents, the proposed staffing model, screening requirements, account management, and documented quality-control process during contracting.

Request a proposal and we will schedule a walkthrough and provide references from facilities similar to yours. Best fit for ongoing service relationships.

Sources

• ISSA, The Worldwide Cleaning Industry Association
• OSHA, Hazard Communication