Certificates of Insurance (COI) for Contractors: What Project Owners Actually Ask For

Opening answer

Project owners, general contractors, and landlords usually ask trade contractors for a Certificate of Insurance (COI) so they can see, at a glance, that liability and workers compensation policies exist, who issues them, what limits appear, and when coverage starts and ends.[1][2] Understanding certificate of insurance contractors requirements starts with that simple fact: a COI is proof-of-coverage paperwork, not the policy itself, and industry form publishers state clearly that a certificate does not create, change, or extend insurance terms.[1] What owners actually want is usually broader than a one-page snapshot: additional insured status, primary and noncontributory wording, and often a waiver of subrogation, all backed by real endorsements on the contractor’s policy rather than language typed only on the certificate.[3][4]

What a COI is (and what it is not)

A Certificate of Insurance summarizes key policy facts for a third party. In practice that means the insured’s name, the insurer, coverage types (general liability, auto, umbrella/excess, workers compensation), stated limits, and effective and expiration dates.[2] For construction and trade work, the form almost everyone sees is the industry-standard ACORD 25 Certificate of Liability Insurance, one of several certificate forms published by ACORD for different coverage lines.[1]

ACORD’s own certificates FAQ draws a hard line that every contractor and project owner should understand: a Certificate of Insurance is not an insurance policy and does not provide, endorse, amend, extend, or alter policy terms. Only an endorsement, rider, or amendment to the policy can change coverage. Referring to a construction contract on a certificate does not by itself create coverage.[1] That disclaimer is why a hurried bid package that only attaches a PDF certificate can still fail a risk review once the owner’s broker or counsel asks for the actual endorsements.

In plain terms for a Myrtle Beach roofer, Charleston electrician, or Charlotte framing sub:

• The COI answers: “Does this contractor appear to carry the coverages and limits we asked for today?”
• The policy and endorsements answer: “If someone is hurt or property is damaged, who is insured, in what capacity, and whose policy pays first?”

Agents and brokers typically issue certificates when a client, landlord, GC, or municipality requests proof before work starts.[1][2] Most providers treat routine certificate requests as part of servicing the policy rather than a separate product sale, but the request still needs clear instructions: exact certificate holder name and address, project description, and any contractual insurance schedule the owner included in the bid documents.

Certificate holder vs additional insured

These two labels get mixed up constantly, and the mix-up causes rejected certificates and claim-time surprises.

Certificate holder is the person or organization that asked for the document. Receiving a COI confirms that coverage was represented as in force when the certificate was issued. It does not automatically grant the holder the same rights as the named insured.[2]

Additional insured is a person or organization added to the contractor’s liability policy (usually by endorsement) so that, for covered claims tied to the contractor’s work, the additional insured may have access to defense and indemnity under that policy, subject to form wording and exclusions.[3][5] Public-entity risk materials put it simply: an additional insured does not qualify as an insured under the standard general liability form on its own and must be added by an endorsement that changes the “who is an insured” section.[5]

Risk management guidance used by nonprofits and other organizations states the operational rule owners care about: a Certificate of Insurance without an additional insured endorsement does not provide additional insured status. The policy must be endorsed (or contain a qualifying automatic/blanket additional insured provision triggered by a written contract), and requestors who want that status should ask for a copy of the endorsement itself.[3]

Construction counsel has long warned that owners sometimes accept a certificate that says “certificate holder is additional insured” only to learn after a claim that the policy never conferred that status. In United Stationers Supply Co. v. Zurich American Ins. Co., an Illinois appellate decision discussed in construction-law commentary, a certificate stated additional insured status on a primary and noncontributory basis, yet the court treated the certificate as informational only because of its disclaimer and because additional insured status had to be found in the policy and the written contract requirements, not on the face of the certificate alone.[4]

For trade contractors, the practical takeaway is simple. If the bid or subcontract says “name Owner and GC as additional insured,” your team needs the endorsement path confirmed with the carrier or program underwriter, not only a description-of-operations sentence on the ACORD form.

What project owners usually put in the insurance exhibit

Insurance exhibits vary by owner sophistication, project size, and whether a lender or public body is involved. Patterns repeat enough that coastal contractors can prepare for them before the bid deadline.

1. Coverage lines and limits

Typical commercial exhibits ask for:

• Commercial general liability (often with per-occurrence and aggregate limits stated in the contract)
• Business auto liability (owned, hired, and non-owned where vehicles support the job)
• Workers compensation and employers liability (statutory WC plus stated EL limits)
• Umbrella or excess liability when the project’s required GL limit exceeds the primary layer

Public permitting examples show how specific municipalities can be. Philadelphia’s Department of Licenses and Inspections, for instance, requires contractors named on certain permits to keep current certificates on file for workers compensation, comprehensive general liability, and motor vehicle liability, and for new construction permits it specifies a minimum general liability limit of $1,000,000 (with a higher minimum for complete demolition) plus prescribed description language and an active certificate at submission.[6] That is one city’s rule set, not a Carolinas statute, but it illustrates why owners treat the COI as a gate document before work, not after.

2. Additional insured for ongoing and completed operations

On construction jobs, owners and GCs often want additional insured status for:

• Ongoing operations while you are still working on site
• Completed operations after your work is finished, for injury or damage that arises later from that work

Sonoma County’s published additional insured reference (a clear public guide to ISO form roles) describes the common split: CG 20 10 04 13 (Additional Insured - Owners, Lessees or Contractors - Scheduled Person or Organization) is oriented to liability while work is in progress and does not cover completed-operations injury or damage after the work is done; CG 20 37 04 13 addresses completed operations and is often required separately for that reason.[5] The guide also notes that additional insureds share the named insured’s limits; the endorsement does not create a second full limit just for the owner.[5]

IRMI commentary on risk transfer explains how ISO additional insured language has tightened over time. Older “arising out of” wording was often read broadly; later forms moved to “caused, in whole or in part, by” language, and 2013 (and later) ISO forms can limit coverage so it is no broader than what the underlying contract requires the named insured to provide.[7] Contractors should not assume every “additional insured” checkbox equals the same protection for every upstream party on every form edition.

3. Primary and noncontributory

“Primary and noncontributory” is one of the most common certificate-of-insurance contractors requirements in commercial construction. In the public-entity framing Sonoma County uses:

• Primary means the vendor’s (contractor’s) policy pays before the additional insured’s own insurance or self-insurance is involved.
• Noncontributory means the vendor’s policy is not supposed to share as contributing primary insurance with the additional insured’s policy; without noncontributory wording, two primary policies can end up sharing defense and damages.[5]

Owners ask for this so their own programs sit behind the trade contractor’s coverage for claims tied to the contractor’s work. Whether the certificate can truthfully reflect that outcome depends on endorsements and other-insurance clauses, not on a checkbox alone.

4. Waiver of subrogation

Many exhibits require the contractor’s insurer to waive subrogation rights against the owner or GC for covered losses, especially on workers compensation and sometimes on liability lines. That is a policy endorsement (or policy provision) issue. Putting “waiver of subrogation applies” only in a certificate field, without the underlying support, is the same category of risk as inventing additional insured status on paper.

5. Workers compensation proof even when state thresholds differ

South Carolina’s Workers’ Compensation Commission FAQs explain a point that trips up small trade crews: a general contractor may require subcontractors to maintain workers compensation to work on the job even if the sub has fewer than four employees under state coverage rules. The GC is protecting itself because employees of a subcontractor can be treated as statutory employees of the GC when the sub is uninsured.[8] North Carolina owners and GCs use the same commercial logic even when the statutory map differs. A COI that shows WC “if any” with empty limits often fails commercial gatekeeping long before anyone debates state employee counts.

6. Notice of cancellation language

Contracts frequently demand that the certificate promise 30 days’ notice of cancellation to the certificate holder. Markets and form rules around cancellation notice to third parties have tightened over years of regulatory and form practice. Big “I” technical guidance warns agents not to put cancellation or coverage promises on the Description of Operations field that the policy does not actually support, because overstated certificate language creates errors-and-omissions exposure and can mislead the requestor.[9] Honest process is better: confirm what the carrier will issue, attach endorsements when available, and avoid drafting a mini-policy in a free-text box.

Reading the request like a bid checklist

When a project owner or GC sends an insurance exhibit, treat it the way you treat a set of plans: line by line, early enough to fix gaps before the start date.

Step 1: Match names. Certificate holder legal name, project name or address, and any additional insured schedule (owner, GC, construction manager, lender, municipality) must match the contract. Typos and DBA mismatches cause avoidable rejections.

Step 2: Match lines and limits. Compare the exhibit’s required limits to your declarations. If the job needs higher GL or an umbrella, that is a coverage conversation before the COI is issued, not a formatting problem.

Step 3: Separate “evidence” from “status.” Evidence of insurance is the COI. Additional insured status, primary/noncontributory, and waivers live in endorsements or automatic provisions.[1][3][5]

Step 4: Ask for the forms, not only the PDF summary. Upstream parties that care about risk transfer increasingly want copies of additional insured and primary/noncontributory endorsements, not only the ACORD face page.[3][4]

Step 5: Align the contract and the policy. IRMI’s discussion of indemnity versus insurance risk transfer stresses that indemnity promises and additional insured coverage are related but not identical tools. Courts look to the policy endorsement language for AI coverage, and 2013-and-later ISO forms can expressly limit AI coverage so it is no broader than the contract’s insurance requirements.[7] If your subcontract’s indemnity section and insurance section pull in different directions, get counsel and your agent involved before you sign.

Step 6: Mind completed operations and the calendar. Completed-operations additional insured claims can turn on when injury or damage occurs, not only when the work was performed.[5] A certificate that was perfect at notice-to-proceed can be stale if the policy renews mid-project or if the exhibit requires continued completed-ops AI for a stated period after substantial completion.

Description of Operations: keep it accurate

The Description of Operations field on the ACORD 25 is where many rejected certificates (and agent E&O problems) begin. Independent Insurance Agents & Brokers of America Virtual University guidance notes that the ACORD Forms Instruction Guide frames that field as recording information needed to identify the operations, locations, and vehicles for which the certificate was issued, not as a place to paste full contract insurance exhibits.[9] The same guidance cautions that agents should not enter wording that misrepresents policy terms, and that lengthy statements about primary status, contractual liability, or “following form” umbrellas can overclaim what the forms actually do.[9]

What we recommend for contractors:

• Send the full insurance exhibit to your agent with the bid award or subcontract.
• Identify project name/location and certificate holder exactly.
• Prefer attaching or providing the actual endorsements when the owner’s risk team asks for them, rather than inventing paragraph-length promises on the certificate face.[9]
• If something in the exhibit cannot be met (for example, an endorsement the carrier will not issue on your program), raise it before work starts so the GC can decide whether to amend requirements, accept alternatives, or reassign the trade.

That is not about being difficult. It is about keeping the paper trail aligned with the policy so neither side discovers a gap after an injury on a coastal jobsite.

Common reasons a COI gets bounced

From the owner and GC side of the desk, rejections usually fall into a short list:

1. Limits below the exhibit (or missing umbrella when required)
2. Wrong or incomplete certificate holder
3. Additional insured claimed on the COI without matching endorsement support[3][4]
4. No completed operations AI when the exhibit requires it[5]
5. Workers compensation missing even when the sub is small, because the GC will not accept statutory-employee risk[8]
6. Expired dates relative to the work window[2]
7. Description language that conflicts with the policy or that the agent cannot honestly support[9]
8. Auto or umbrella lines blank when the contract schedule lists them

None of these are abstract compliance theater. They are how owners try to keep financial responsibility for jobsite injuries and property damage sitting primarily on the parties performing the work.

How an independent agent helps without overpromising

Our role at Beach Insurance LLC is practical, not theatrical. We help trade contractors serving Myrtle Beach, Charleston, Charlotte, and coastal North and South Carolina:

• Translate insurance exhibits into a coverage checklist before you bid or sign
• Confirm which additional insured, primary/noncontributory, and waiver options your policy and carrier will support
• Issue accurate certificates and coordinate endorsements when the underwriter can provide them
• Flag requests that cannot be met as written so you can negotiate or walk with eyes open
• Keep renewal timing visible so a mid-project expiration does not shut down a job

What we will not do is rewrite your policy on a certificate face page or guarantee that any particular claim will be covered. Coverage always depends on the policy forms, facts of loss, exclusions, and applicable law. A COI remains an informational snapshot, and the policy remains the contract of insurance.[1][2]

If you are bidding multi-trade work, keep a current commercial package ready for review and send us the owner’s insurance exhibit as soon as you receive it. That sequence beats scrambling the morning the site superintendent asks for the PDF.

Practical takeaways

• A COI proves that policies were represented as active with stated limits on the issue date; it does not replace the policy or create additional insured rights by itself.[1][2][3]
• Additional insured status comes from endorsements or qualifying automatic provisions, often with separate forms for ongoing operations and completed operations.[3][5]
• Primary and noncontributory language is about payment order and non-sharing with the owner’s insurance; it must be supported in the policy structure, not only asserted on the certificate.[5]
• Small subcontractors may still need workers compensation certificates for commercial jobs because GCs manage statutory-employee exposure even when state thresholds would otherwise exempt a tiny crew.[8]
• Avoid stuffing the Description of Operations box with contract language your policy does not support; supply accurate holder data and real endorsements instead.[9]
• Match the insurance exhibit line by line before mobilization, and re-issue certificates after renewals or mid-term changes that affect dates or limits.
• Public and municipal examples of dollar minimums (such as a city requiring $1,000,000 GL for new construction permits) show why owners treat certificates as gate documents, even when your local license rule set is different.[6]

How we can help

If you need certificates of insurance that match real contractor requirements on coastal Carolinas projects, our team can review the owner’s insurance exhibit against your current policies and help you prepare accurate COIs and endorsement requests without overstating what the forms do. Learn more about our contractor coverage conversations on our contractors insurance page, or call Beach Insurance LLC at (843) 626-9244 / email info@beachinsurancellc.com when you have a bid packet in hand.

Citations

1. ACORD, "Certificates of Insurance Frequently Asked Questions" (ACORD certificates FAQ)
2. GEICO, "What Is a Certificate of Insurance (COI)? Definition, When It’s Needed, and How to Verify" (2026)
3. Nonprofit Risk Management Center, "The Additional Insured"
4. Smith Currie, "The Value of an “Additionally Insured” Status" (discussing United Stationers Supply Co. v. Zurich American Ins. Co.)
5. County of Sonoma, "Additional Insured Endorsements" (CG 20 10 / CG 20 37; primary and noncontributory)
6. City of Philadelphia Department of Licenses and Inspections, "Contractor requirements" (insurance certificates section)
7. IRMI, "The Two \"I's\" of Risk Transfer: Indemnity and Insurance" (David Knapp, June 12, 2020)
8. South Carolina Workers' Compensation Commission, "Coverage and Compliance FAQs"
9. Independent Insurance Agents & Brokers of America (Big \"I\" Virtual University), "What Can/Should I Enter in the ACORD 25 “Description of Operations” Field?" (Bill Wilson; last updated June 19, 2014)