7 min read · updated 2026-08-05
Certificates of insurance, and what to actually require
What a certificate of insurance proves, what it does not, the coverages that matter for facility services work, and the endorsement most certificates are missing.
Written for property managers and owners collecting vendor certificates.
What is a certificate of insurance and what does it actually prove?
A certificate of insurance is a snapshot showing that a policy existed on the date it was issued, and it is not a contract, not a guarantee of coverage, and not proof that the policy still exists today.
The certificate is evidence, not protection. The protection comes from the policy and from the endorsements attached to it, and a certificate can accurately describe a policy that will not respond to your claim.
This is why the endorsement matters more than the certificate. Additional insured status has to be granted by an endorsement on the vendor's policy. A certificate that lists you in the description box without a corresponding endorsement gives you nothing.
What coverages should a facility services vendor carry?
For commercial facility services the working baseline is general liability, workers' compensation, auto liability and umbrella, with limits set by your building's risk rather than by an industry rule of thumb.
- Commercial general liability
Covers third-party bodily injury and property damage. Check both the per-occurrence limit and the general aggregate, because an aggregate shared across every client can be exhausted before your claim.
- Workers' compensation
Non-negotiable. Without it an injured vendor employee on your property can become your exposure. Ask for the experience modification rate as well, since it is the one number that reflects actual safety record.
- Commercial auto
Vendor vehicles on your property and in your parking structure.
- Umbrella or excess
Sits above the underlying limits. Where high limits are required this is usually how they are reached.
- Professional liability
Where the vendor is advising on design, engineering or compliance rather than performing labour.
- Pollution liability
Relevant for pressure washing with runoff, chemical handling and industrial sites.
What should the certificate itself say?
The certificate must name your legal entity exactly, show additional insured status by endorsement, state whether coverage is primary and non-contributory, and confirm waiver of subrogation where your contract requires it.
- Correct named insured
The vendor's legal entity, matching the contract. A certificate for an affiliate is a certificate for a different company.
- Correct certificate holder
Your legal entity, spelled exactly. Ownership entities and management companies are not interchangeable.
- Additional insured by endorsement
Reference the endorsement form number. Text in the description box is not an endorsement.
- Primary and non-contributory
Determines whether their policy responds before yours or shares with it.
- Waiver of subrogation
Prevents their insurer from coming after you after paying a claim.
- Policy period
Check the dates. A large share of certificates on file at any given moment are expired.
- Notice of cancellation
Understand what notice you actually get, since standard certificate language usually promises less than owners assume.
How do you keep certificates from going stale?
Track expiry dates centrally with a renewal reminder ahead of each date, because the standard failure is not a vendor without insurance, it is a vendor whose certificate lapsed nine months ago and nobody looked.
Set the reminder 30 days before expiry, not on the expiry date. Chasing a certificate after it has lapsed means running uninsured for the days in between.
Ask for the certificate to be issued directly by the vendor's broker rather than forwarded by the vendor. It removes a category of problem entirely.
What limits should you require?
There is no universal answer, and any vendor or article giving you one without knowing the building is guessing.
Limits should be set against the actual exposure: building value, occupancy, the trades involved, height of work, and whatever your own carrier and lender require of you. High-rise glass work at height and a single-story retail lot are not the same risk.
The right process is to ask your risk advisor or carrier what they want to see for the specific scope, put that number in the solicitation, and treat it as a qualifying condition rather than a scored criterion. A vendor who cannot meet it is not a cheaper option, they are not an option.
Questions we actually get asked
Is a certificate of insurance a contract?
No. It is evidence that a policy existed when the certificate was issued. Your rights come from the policy and its endorsements, and from your contract with the vendor.
What is additional insured status and why does it matter?
Additional insured status extends the vendor's liability policy to cover you for claims arising from their work. It has to be granted by an endorsement on their policy — being listed on the certificate alone does not create it.
Should I require workers' compensation from every vendor?
Yes, for anyone performing labour on your property. Without it, an injury to a vendor employee can find its way back to the property owner.
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