Verify a Certificate of Insurance in 5 Minutes for Small Businesses
To verify a certificate of insurance, check five things: the insured's name matches your contract, the policy dates cover the whole job, the limits meet your contract minimums, any endorsements you need actually exist on the policy, and the issuing agent confirms all of it when you call a number you looked up yourself. Once you know the form, that takes about five minutes.

A certificate of insurance (COI) is a one-page summary of someone's policies. It names the insurer, the policy numbers, the dates and the limits. It isn't the policy, and it can't change the policy. Treat it as a snapshot taken on the day it was printed.
The five-minute check before you accept a COI
- Match the insured's legal name, including any dba, to the name on your contract. A different entity on the certificate means a different policyholder.
- Compare the policy effective and expiration dates with your project or lease dates. If the job runs to December and the general liability policy ends in August, you need a renewed certificate in August.
- Read each limit against the minimum in your contract, line by line. Each occurrence and general aggregate are different numbers.
- If your contract requires additional insured status or a waiver of subrogation, ask for the endorsement pages. A tick in the ADDL INSD box is not the endorsement.
- Call the producer on a number you found yourself and ask them to confirm the policy is in force. For bigger contracts, also check the agency's licence with your state insurance department.
Sample certificate of insurance: what each box on the ACORD 25 means
In the US, the sample you'll usually see is the ACORD 25, titled Certificate of Liability Insurance. It's one page. Top to bottom, it shows the issue date, the producer, the insured, insurers A to F, a coverages table, a description of operations, the certificate holder, a cancellation clause and a signature.
We follow the March 2016 edition below, marked ACORD 25 (2016/03) in the bottom corner. Public agencies such as the NYC Department of Design and Construction and the City of Philadelphia reproduce it in their contractor packs. ACORD says to use only the current version of its forms, so check the edition printed on any certificate you get.
Date and the disclaimer box
The date in the top right (MM/DD/YYYY) is the day the certificate was issued. It's not a coverage date. Just below the title, a boxed notice says the certificate is for information only and confers no rights on the holder. It also warns that an additional insured needs policy provisions or an endorsement, and that a waiver of subrogation may need one too.
Producer
The producer is the agency or broker that issued the certificate, with a contact name, phone and email beside it. When you want to confirm the certificate, don't rely only on the number printed here. Look the agency up and call that number.
Insured
The insured is the business that holds the policies. Its name and address should match the legal name in your contract, trading name included. A mismatch is the most ordinary reason to send a certificate back, and it's worth doing every time.
Insurers affording coverage, A to F
Up to six insurers appear here, labelled A to F, each with a five-digit NAIC number that identifies the company. A business can buy general liability from one insurer and workers' compensation from another, so every coverage line points back to one of these letters.
Coverages table
The section opens with a certificate number and a revision number. A printed statement says the policies were issued for the period shown and that the limits may have been reduced by paid claims. Then comes the table:
- INSR LTR: the insurer letter, A to F, for that line.
- TYPE OF INSURANCE: commercial general liability, automobile liability, umbrella or excess, workers' compensation and employers' liability, plus a blank line for anything else.
- ADDL INSD and SUBR WVD: marked when additional insured status or a waiver of subrogation applies to that line.
- POLICY NUMBER, POLICY EFF and POLICY EXP: the number and the start and end dates for that coverage.
- LIMITS: the dollar caps for that line.
Limits on each coverage line
Read the labels, not just the numbers. The same $1,000,000 means one thing next to Each Occurrence and something else next to General Aggregate.
- Commercial general liability: claims-made or occurrence, whether the aggregate applies per policy, project or location, and limits for each occurrence, damage to rented premises, medical expense, personal and advertising injury, general aggregate, and products and completed operations.
- Automobile liability: which autos are covered (any, owned, scheduled, hired or non-owned) and the combined single limit or split bodily injury and property damage limits.
- Umbrella or excess: occurrence or claims-made, the retention, and each occurrence and aggregate limits.
- Workers' compensation and employers' liability: a Y/N box for excluded owners or officers, and employers' liability limits per accident, per employee for disease, and the disease policy limit. You'll often see "Per Statute" instead of a workers' comp figure. That means the limit is whatever state law sets, so the employers' liability numbers just below are the real dollar caps.
Description of operations, locations and vehicles
This free-text box is where the producer adds a project name, contract number, site address or endorsement wording. If it runs out of room, an ACORD 101 Additional Remarks Schedule can be attached. Ask for your contract or project number to appear here; it makes the certificate easy to match later.
Certificate holder
The certificate holder is whoever asked for proof: the client, the landlord, the general contractor. Being named here doesn't make you an additional insured. That status comes from the policy or an endorsement, which is exactly why the warning box sits at the top of the form.
Cancellation clause
On the 2016 edition, the cancellation box says that if a listed policy is cancelled early, notice will be delivered in accordance with the policy provisions. It doesn't promise that you, the holder, will hear about it. If you need advance notice, write that into your contract and ask for it on the policy.
Authorized representative
The last box carries the signature of an authorized representative of the producer or insurer. ACORD's forms FAQ notes that its instruction guide recommends a signature. An unsigned certificate deserves a phone call.
Is there a certificate of insurance template you can fill in yourself?
Blank ACORD 25 forms float around online, but the certificate itself has to come from the agent, broker or insurer. What you can build yourself is a tracker. A certificate of insurance template for tracking records the insured, insurer, policy numbers, expiration dates and endorsements for every vendor you rely on.
The dates in the coverages table are the ones to track, because the certificate is only useful while those policies are live. See how long a COI is typically valid, or set up certificate of insurance tracking so vendors get a reminder and an upload link before their policies run out.
Endorsements decide what the certificate is really worth
Three endorsement requests come up again and again, and each one changes who pays when something goes wrong.
- Additional insured adds another party, often the general contractor or landlord, to your policy for claims arising from your work. A scheduled endorsement names them. A blanket endorsement covers anyone your contracts require you to add, so you don't need a new filing for every job.
- Waiver of subrogation stops your insurer from suing the other party to recover what it paid out. It has to be in place before the loss, not after.
- Primary and noncontributory wording makes your policy pay first, instead of sharing the claim with the other party's insurance.
Each of these has to exist on the policy as an endorsement. A box ticked on the ACORD 25 doesn't create one; the form's own disclaimer says so.
Why clients and landlords ask for a COI
Someone asks for your certificate when your risk could become theirs. The Hartford gives the example of a landscaper bidding on town work, where a COI is part of the bid. The usual requesters:
- Landlords, before handing over keys on a commercial lease.
- General contractors, from every subcontractor before they're allowed on site.
- Event venues, from caterers, DJs and rental firms, often for the event date only.
- Larger customers onboarding a new supplier, and public agencies as part of a bid package.
What they actually check is narrow. Is coverage active during the work? Do the limits meet the contract? Are the right endorsements attached? Miss one and a signed contract can sit idle while the paperwork goes back and forth.
How to get a certificate issued right the first time
Getting a certificate is quick. Getting the right one first time is where people lose a day or two.
- Gather the details before you ask: the holder's exact legal name and address, the project or contract number, the endorsements the contract requires, and when you need it.
- Pick the route. A carrier portal can produce a standard certificate on the spot. Your agent is faster for anything that needs an endorsement, and a broker is the one to ask when policies from several insurers have to appear together.
- Expect it to be free and fast. The Hartford says most policyholders get their certificate instantly through their online account, and NerdWallet says a copy should be free and take no more than a day. Adding a new endorsement is a policy change, so that can take longer.
Checking that a certificate is genuine
Glancing at a COI takes thirty seconds. Verifying it takes about five minutes, and the steps are the ones in the checklist at the top: name, dates, limits, endorsements, then a phone call.
For anything more than a small routine job, go further. Look up the agency or insurer with your state insurance department's licence search. Then call the agent on a number you found independently and ask two questions: is the policy in force today, and are the endorsements listed actually on it? Fake and outdated certificates do circulate, and that call catches both.
How long is a certificate of insurance valid?
A COI is valid only as long as the policies behind it. When a policy expires or is cancelled, the certificate is just paper, whatever date is printed at the top.
- Track the policy expiration dates from the coverages table, not the date you received the certificate.
- Ask for a fresh certificate at each policy renewal and at contract renewal or major project milestones, not only at kickoff.
- Keep the endorsement pages on file next to the certificate.
- A calendar reminder works for a handful of vendors. Past a dozen or so live contracts, you'll want a proper expiration tracking checklist or a system that does the chasing.
Most COI delays are paperwork, not insurance
A holder name that doesn't match the legal entity, or a missing project number, sends a certificate back for correction and adds days to onboarding.
A short standard request form fixes most of that. Add one place that shows who has a current COI on file and when each policy ends, and renewals stop depending on someone's memory.
Certificate of insurance vs. the actual policy
The policy is the contract: often dozens of pages that set out what's covered, what's excluded and when a claim gets paid. The certificate is a one-page summary someone at the agency filled in from that policy, purely to tell a third party it exists.

So the certificate has no weight of its own. If it shows a $1 million limit but the policy has since been endorsed down to $500,000, the policy wins. In New York this is written into law: Insurance Law Article 5 says a certificate may not amend, extend or alter the policy it refers to.
A COI also won't show you exclusions, deductibles or claim conditions. For a small subcontract, the certificate is usually all anyone needs. For a large commercial lease or a multi-year supplier agreement, ask for the declarations page and the endorsement pages too. The certificate tells you coverage probably exists. The policy tells you what it does.
Don't treat the certificate as your legal protection
A COI is evidence, not a guarantee. If the additional insured endorsement was never issued, the certificate won't make you an additional insured, because the form itself says it confers no rights on the holder.
Timing is the other weak spot. The certificate shows the policy as it stood on the issue date. Nothing stops the insured cancelling the next week, and on the current form, cancellation notice follows the policy terms rather than a promise to you.
For high-value contracts, public work, or anything where being wrong is expensive, keep the endorsement pages on file and revisit them at renewal. If a claim or dispute comes up, the endorsement is what the insurer looks at first.
How COI requirements change by industry and state
Beyond the ACORD 25 layout there's no single national standard, so requirements shift with who's asking and where.
Construction asks the most. General contractors routinely want additional insured status, a waiver of subrogation and primary and noncontributory wording from every sub, with minimum limits written into the subcontract. Public agencies may add their own wording or forms. New York limits how far that can go: under Article 5, nobody can willfully demand certificate wording that the policy doesn't contain, and a liability certificate has to be the insurer's own form or an approved one, according to the NY Department of Financial Services.
Commercial leases are usually simpler: general liability with a set per-occurrence limit, and fewer endorsements than a building site. Events fall in between, often one limit and a certificate covering the event date.
Licensed trades can face another layer. Some state licensing boards want proof of coverage filed with them, separate from the certificate you hand a client. If you work across state lines, confirm each counterparty's requirements instead of assuming one certificate clears every bar.

What happens when a certificate expires mid-job
An expired COI isn't a technicality. The problem usually surfaces right after something has gone wrong.
Picture a subcontractor whose liability policy lapses two weeks into a job because a premium went unpaid. The certificate in your file still shows active cover, because nobody compared the expiration date with the project schedule. If someone is hurt on site during that gap, you find out through a denied claim that there's no policy behind the paper.
The cost lands on whoever assumed they were protected. A general contractor can end up absorbing a claim meant for the sub's insurer. A landlord who renewed a lease without an updated certificate can end up defending a claim alone.
The fix is dull and it works. Ask for a fresh certificate at every policy renewal, and flag any certificate 30 days before its policies expire so there's time to chase it.
What small businesses get wrong about COIs
Most advice treats a COI as a box to tick: get one, file it, move on. That's backwards for a small business, because you're the one juggling certificates from a dozen vendors and subs with nobody whose full-time job is checking them.
I'd push back hardest on the idea that small contracts don't need verifying. Your risk isn't set by the size of the job. It's set by whether you assumed cover existed and acted on that. A $3,000 subcontract with no real additional insured endorsement can still leave you holding a claim that belonged to someone else's insurer.
The underrated part is record keeping. Everyone chases the certificate; almost nobody tracks when it runs out. Know your expiration dates before your clients ask, not after a claim forces the question.
Track every certificate you're waiting on
Chasing certificates by email is slow, and one forgotten renewal can leave you exposed on a live contract. It helps to keep every certificate, its policy dates and its required endorsements in one place rather than spread across inboxes.

ExpiryEdge does this. It reminds the vendor and your contract owner before a policy expires (by email, SMS, WhatsApp, Slack or Teams), sends the vendor a link to upload the renewed certificate, escalates anything overdue to a manager, and keeps an audit trail you can export when a client asks for proof. You can try it free for 14 days without a credit card and set up your first certificate before the next request lands.
Sources
- Certificate of Insurance (COI) | The Hartford
- What Is a Certificate of Insurance (COI)? | NerdWallet
- Certificates of Insurance (New York Insurance Law Article 5) | NY Department of Financial Services
FAQ
How do I get my insurance certificate?
Ask your agent or broker, or download it from your insurer's online account. The Hartford says most of its policyholders get a certificate instantly online. Have the certificate holder's exact legal name and address ready, plus any project number and endorsements the contract needs, so it comes back right the first time.
How hard is it to get a certificate of insurance?
Not hard if your policy is active and nothing needs to change. A standard certificate is usually free and same day. It takes longer when the contract needs something new on the policy, such as additional insured status or a waiver of subrogation, because the insurer has to add an endorsement first.
Can I make my own certificate of insurance?
No. The certificate has to come from your insurer, agent or broker, because it vouches for an active policy only they can confirm. New York's Department of Financial Services says evidence of insurance must come from the insurer or producer. A homemade certificate will be rejected, and passing it off could be treated as fraud.
Why would someone ask for a certificate of insurance?
They want proof that an insurer stands behind you before you start work, sign a lease or join their supplier list. If you injure someone or damage property, they want your policy to pay, not theirs. Landlords, general contractors, event venues and public agencies ask most often.
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Frequently asked questions
Not hard if your policy is active and nothing needs to change. A standard certificate is usually free and same day. It takes longer when the contract needs something new on the policy, such as additional insured status or a waiver of subrogation, because the insurer has to add an endorsement first.
No. The certificate has to come from your insurer, agent or broker, because it vouches for an active policy only they can confirm. New York's Department of Financial Services says evidence of insurance must come from the insurer or producer. A homemade certificate will be rejected, and passing it off could be treated as fraud.
They want proof that an insurer stands behind you before you start work, sign a lease or join their supplier list. If you injure someone or damage property, they want your policy to pay, not theirs. Landlords, general contractors, event venues and public agencies ask most often.
In the US, it's usually the one-page ACORD 25 Certificate of Liability Insurance. Up top you'll see the issue date, the producer, the insured, and insurers A to F with their NAIC numbers. Then a coverages table. It gives each policy number, its dates and its limits. At the bottom you get a description of operations, the certificate holder, a cancellation clause and a signature.
ACORD 25 is the standard Certificate of Liability Insurance published by ACORD. Agents and brokers fill it in to sum up a firm's liability policies. Those include general liability, auto, umbrella and workers' compensation. It's for information only. It doesn't change the policies. The edition is printed at the bottom, for example ACORD 25 (2016/03).
The holder just receives the certificate. An additional insured has been added to the policy itself, usually by endorsement, so the policy covers it for claims arising from the insured's work. Say your landlord is named as holder on your ACORD 25 but there's no endorsement: if a customer sues the landlord over your shopfit, the landlord has no rights as an insured under your policy.



