What Is an Additional Insured?

Additional insured status is common in commercial contracts, leases, construction arrangements, vendor agreements, and other business relationships.

The exact protection depends on the policy and endorsement. The phrase does not mean the additional insured receives every coverage available to the named insured.

Named insured vs. additional insured

The named insured is the person or entity identified as an insured in the policy declarations or otherwise designated as a named insured.

An additional insured is added or qualifies under policy language for specified protection.

Their rights and coverage can be different.

Why would someone ask to be an additional insured?

A party may want protection under another business's liability policy for claims arising out of that business relationship.

Examples can include:

• • a landlord requiring tenant coverage
• • a general contractor requiring subcontractor coverage
• • a venue requiring a vendor to add it
• • a client requiring coverage under a service contract

Whether the request is appropriate and what endorsement is needed depend on the contract and policy.

How do you add an additional insured?

Additional insured status is typically created through policy language or an endorsement—not merely by typing a name onto a Certificate of Insurance.

Depending on the insurer and policy, the endorsement may identify a specific party or provide status automatically to parties meeting stated conditions.

Contact the insurer or insurance professional handling the policy.

Is an additional insured the same as a certificate holder?

No.

A certificate holder receives a Certificate of Insurance and may receive certain notices depending on applicable forms and arrangements.

Being listed as a certificate holder does not by itself make that party an additional insured.

Read Additional Insured vs. Certificate Holder

Does a COI prove additional insured status?

A Certificate of Insurance can indicate that additional insured coverage exists, but the certificate itself generally does not create or amend coverage.

When the distinction matters, review the actual policy and endorsement.

See Certificate of Insurance for an LLC

Does additional insured status cover everything?

No.

Coverage is limited by the policy, endorsement, scope of the business relationship, exclusions, limits, conditions, and applicable law.

A party should not assume that the words "additional insured" create unlimited protection.

Your contract requests additional insured status—what now?

Provide the contract requirement to the insurance professional handling the policy.

That allows them to compare the request with available policy language and endorsements rather than relying solely on a certificate request.