Additional Insured Endorsement for Contractors
Need this for a bid or onboarding deadline (fast lane)
- Existing client: Request a COI and include the contract requirement language →
- New to us: Start with coverage placement first →
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What “Additional Insured” means in plain English
“Additional Insured” usually means another party is granted certain protections under your liability policy for claims connected to your work, when the policy and endorsement allow it.
In construction, “Additional Insured” most commonly shows up on general liability policies. The GC or owner is typically trying to make sure that if a claim arises from your operations, there is a clear path for your policy to respond as intended under the contract.
Mini definitions (quick and extractable)
- COI (Certificate of Insurance): Proof of coverage and limits on a date. It does not rewrite the policy. →
- Additional Insured (AI): A status that is typically granted by an endorsement, not created by a COI checkbox.
- Primary and Noncontributory (PNC): A requirement about which policy responds first, often handled via endorsement language. →
- Waiver of Subrogation (WOS): A requirement that may waive certain recovery rights when endorsed and permitted. →
Important: This is general information, not legal advice. Requirements vary by contract, project, and carrier.
Why GCs, owners, and property managers require it
Additional Insured requirements are part of contract risk transfer. The hiring party wants clarity that your liability insurance aligns with the job agreement.
Common situations where you see AI requests:
- GC vendor onboarding (vendor portals, prequalification, bid packets)
- Property managers requiring AI for work on managed buildings
- Owners and developers requiring AI before mobilization
- Subcontractor agreements that require AI for both the GC and owner
Trades that run into AI requirements constantly:
Where it shows up (COI vs endorsement) and what to verify
Step 1: Confirm what is being requested
Ask: “Who needs to be Additional Insured, on which policy, and for what scope?”
Most requests specify:
- Who: GC, owner, property manager, landlord, lender (sometimes more than one)
- Which policy: usually GL, sometimes Auto (varies), rarely other lines
- Which scope: “ongoing operations,” “completed operations,” or both (wording varies)
Any extra requirements: PNC, WOS, notice of cancellation wording, specific endorsement forms
Step 2: Verify the COI details (the basics that cause rejections)
Check for:
- Correct legal name of your business (matches your contract and vendor portal)
- Correct certificate holder name and address (copy/paste from the request)
- Job name and jobsite address if required
- Policy dates and limits that meet the packet requirements
Step 3: Verify the endorsement (the part contractors miss)
A COI box or note that says “Additional Insured” may not be enough if the GC/owner wants proof of the endorsement.
What to verify:
- The endorsement exists on the policy and applies as required
- The endorsement applies to the party that needs AI status (by name, by contract language, or by schedule, depending on the form)
- If the contract requires completed operations AI, confirm that requirement is addressed (where applicable)
- If the contract stacks requirements, confirm AI + PNC + WOS are each handled correctly, not assumed
Helpful related guides:
Common mistakes that delay approval (and how to avoid them)
- Relying on a COI checkbox instead of confirming the endorsement Fix: Ask whether the GC/owner needs a copy of the endorsement or specific wording.
- Wrong entity name for the AI party Fix: Use the legal entity name from the contract or onboarding packet, not a shortened nickname.
- Not addressing completed operations when the contract requires it Fix: Send the exact requirement line. The correct response depends on the policy form and endorsement wording.
- Trying to add AI to the wrong policy line Fix: AI is most commonly a GL issue. If the request is for Auto AI or something unusual, share the requirement language so it can be handled correctly.
- Leaving out the jobsite address or project name when the portal requires it Fix: Include job name and jobsite address in the COI request if the GC asks for it.
How to request Additional Insured correctly
Speed comes from sending the AI party details and the exact contract wording. “Please add Additional Insured” without context is where delays begin.
Provide the following:
- Who needs to be Additional Insured: legal name(s) and address(es)
- Project: job name and jobsite address
- Required limits: GL limits (and Umbrella if required)
- Exact requirement language: paste the contract clause or upload the requirement page
- Does it require completed operations AI? yes/no/unknown (send wording)
- Other requirements: Primary and Noncontributory, Waiver of Subrogation, special wording
- Send-to emails: who needs the COI, plus any CC list
- Deadline: bid due date or portal deadlin
Existing clients: Request a COI here →
New to us: Start coverage here →
How we help you meet requirements fast
We translate contractor insurance requirements into the exact documents a GC or portal is trying to validate, without guessing or overpromising.
What you can expect:
- Compliance-first handling: We work from your bid packet or contract language so the endorsement request matches the requirement.
- Fast COI routing: COI requests are clearly separated for existing clients vs prospects.
- Trade-aware context: Roofing, GC, and plumbing workflows differ, and the compliance pack reflects that.
- Multi-carrier placement: We are an independent broker that shops coverage with multiple carriers.
Clear guardrails: Requirements vary by contract, project, and carrier. We do not promise approval or specific pricing outcomes.
Additional Insured endorsement for contractors
1) What is an Additional Insured endorsement?
An Additional Insured endorsement is a policy endorsement that can grant another party certain protections under your liability policy for claims tied to your work, subject to the policy terms.
2) Is “Additional Insured” satisfied by a COI checkbox?
Often no. A COI is proof of coverage at a point in time. If the contract requires Additional Insured status, it is commonly confirmed through an endorsement, not created by a certificate note.
3) Why do GCs and owners ask to be Additional Insured?
It is a common risk-transfer requirement in construction contracts and onboarding packets.
4) Which policy is Additional Insured usually tied to?
Most commonly general liability. Other lines may be handled differently depending on the requirement and carrier.
5) What is the difference between “ongoing operations” and “completed operations”?
These terms describe when coverage may apply. Some contracts require one or both. The correct setup depends on the contract language and the endorsement form.
6) Do I need to list the GC or owner by name on the policy?
Sometimes, depending on the endorsement form and what the hiring party requires. If a portal demands scheduled names, you need the exact legal entity details.
7) What else is commonly required with Additional Insured?
Primary and Noncontributory and Waiver of Subrogation are common companion requirements. Each can require its own endorsement language.
8) How do I request this fast?
Send the AI party legal name/address, job name/address, required limits, and the exact contract clause or requirement page, plus the deadline.
9) Can you issue a COI if I am not a client yet?
A COI requires active coverage. If you are new to us, start with the quote flow so coverage can be placed first.
