A clean office isn’t just about appearances. It affects employee morale, client impressions, and even health outcomes. But hiring the wrong office cleaning company can cost you money, create liability problems, or leave your workspace worse than before. This guide walks you through exactly what to evaluate before signing any contract.

Start With Insurance and Bonding

This is non-negotiable. Any legitimate office cleaning company must carry general liability insurance and workers’ compensation coverage. If a cleaner slips on your floor or accidentally damages expensive equipment, you need to know their company — not you — will be responsible.

Ask for certificates of insurance and verify they’re current. A bonded company also provides protection if an employee steals from your premises. Don’t skip this step even if the company comes highly recommended.

Minimum coverage to request:

  • General liability: $1 million per occurrence
  • Workers’ compensation: required in almost every state
  • Commercial bonding/fidelity bond: covers employee theft

Green Cleaning Options Matter More Than You Think

Indoor air quality is a growing concern for offices, especially those with employees who have allergies or asthma. Ask prospective companies whether they offer green cleaning programs using EPA Safer Choice certified products or Green Seal certified chemicals.

Green cleaning doesn’t just protect your employees — it also signals that a company is keeping up with industry standards. Companies that still rely on bleach-heavy, ammonia-based products for every surface haven’t evolved their practices.

Understand the Contract Terms Before You Sign

Read every line. Office cleaning contracts can include automatic renewal clauses, early termination fees, and vague language about what’s included versus what costs extra. Common contract red flags:

  • Automatic renewal with 60-90 day cancellation notice requirements
  • No clearly defined scope of work
  • No performance standards or remedies if work is unsatisfactory
  • Pricing that’s hourly rather than per-scope (easy to pad hours)

A strong contract should specify exactly which areas are cleaned, how often, which tasks are included, and what happens if you’re unhappy with the service.

Ask for Industry-Specific Experience

Cleaning a law office is different from cleaning a medical clinic, restaurant kitchen, or warehouse. Some industries require knowledge of HIPAA-compliant cleaning protocols, food-safe disinfectants, or specialized floor care. Ask the company directly:

  • Have you cleaned offices in our industry before?
  • Do your staff receive any specialized training?
  • Are you familiar with relevant compliance requirements?

A commercial cleaning company with relevant experience will answer these questions confidently and specifically.

Day vs. Night Cleaning: Which Is Right for You?

Most offices default to nightly cleaning, but this isn’t always the best choice. Day cleaning — where staff clean during business hours — has grown in popularity for several reasons:

Benefits of daytime cleaning:

  • You can observe the quality of work firsthand
  • Cleaners are more accountable when staff are present
  • Reduces overnight access to your facility
  • Works well for large offices where different wings can be cleaned at different times

Benefits of nighttime cleaning:

  • No disruption to employees
  • Quieter work environment for cleaners
  • Better for offices with confidential materials

Consider your security requirements and workflow before deciding.

How Office Cleaning Pricing Is Structured

Pricing varies widely depending on square footage, frequency, and scope of services. Most commercial office cleaning companies price in one of three ways:

  1. Per square foot — typically $0.05 to $0.20 per sq ft per cleaning
  2. Per hour — ranges from $25 to $60 per cleaner per hour
  3. Flat monthly rate — negotiated based on scope and frequency

Get at least three quotes. If one quote is dramatically lower than the others, ask why. It often means corners will be cut, staff are underpaid, or important services were omitted from the scope.

Check References — And Actually Call Them

Ask every prospective office cleaning company for three to five current client references, ideally from businesses similar in size and type to yours. Then call them. Ask:

  • How long have you used this company?
  • Have there been any issues, and how were they resolved?
  • Does the cleaning quality stay consistent over time?
  • Would you renew their contract?

A company that can’t provide references — or provides references that are difficult to reach — is a red flag.

Red Flags to Watch For

Even well-reviewed companies can have serious operational problems. Watch for these warning signs during the sales process and early service period:

  • High staff turnover — If you’re seeing different cleaners every week, training and consistency suffer
  • Vague answers about supervision — Quality companies have supervisors who inspect work regularly
  • No background checks — Your employees’ belongings and confidential materials are at risk
  • Pressure to sign quickly — Legitimate companies don’t need to rush you
  • No written scope of work — Verbal agreements lead to disputes
  • Unwillingness to do a trial period — A confident company will offer a trial

The Right Questions to Ask Before Hiring

Compile your shortlist to two or three companies and schedule walkthrough meetings. During the walkthrough, ask:

  • Who will be cleaning our office, and will it be the same team each time?
  • How do you handle complaints or missed tasks?
  • What’s your background check policy for new hires?
  • How do you supervise cleaning quality?
  • What’s included in your standard scope vs. add-on services?

The quality of the answers — not just the price — should drive your final decision. A company that’s thorough, transparent, and professional during the sales process tends to bring that same approach to the actual work.

Choosing an office cleaning company is an investment in your business environment. Take the time to vet candidates properly, and you’ll end up with a long-term partner who keeps your space presentable and your employees healthier.