Insured vs Additional Insured: What's the Difference and Why It Matters

The named insured is the policyholder - the entity that purchased the policy and is primarily protected by it. An additional insured is a third party who receives coverage rights under someone else's policy, typically because of a contractual relationship.

The practical consequence: when your vendor or tenant causes harm to a third party who then sues you, your status as an additional insured on your vendor's or tenant's policy determines whether their insurer defends and indemnifies you - or whether your own insurance is on the hook.

Named Insured: The Policy Holder

The named insured is listed on the declarations page of the policy. They:

• Purchased and pay for the policy
• Are the primary party entitled to coverage
• Receive policy notices, including cancellation
• Have full rights under the policy terms

In most vendor and contractor contexts, the named insured is the vendor or contractor - they bought the policy, they pay the premiums.

Additional Insured: A Third Party with Coverage Rights

An additional insured is added to someone else's policy through an endorsement. They:

• Did not purchase the policy
• Have coverage rights only for specified claims or circumstances
• Typically have coverage tied to the named insured's operations or work
• May or may not receive cancellation notices (depends on endorsement language)

Why do you want additional insured status? Because if your contractor's employee is injured and the contractor's insurer needs to pay a claim, you as an additional insured can be defended and indemnified under the contractor's policy - rather than using your own policy and your own limits.

The Critical Distinction: Certificate Holder vs Additional Insured

Many property owners and risk managers confuse these two.

Certificate holder: You receive a copy of the certificate of insurance. You are notified if the policy is cancelled (theoretically). You have no coverage rights.

Additional insured: You are listed on the policy endorsement and have actual coverage rights for claims arising from the named insured's operations.

Being listed as a certificate holder at the bottom of an ACORD 25 certificate means only that you received the document. It does not mean you are an additional insured.

The additional insured designation must appear in the additional insured section of the ACORD form and be backed by an actual endorsement on the policy.

Primary and Non-Contributory: The Next Level

Simply being an additional insured is often not sufficient. Many contracts require that your additional insured status be on a primary and non-contributory basis.

Primary means the named insured's policy responds first, before your own insurance is triggered.

Non-contributory means your insurance does not contribute alongside the named insured's policy to cover a shared loss.

Without primary and non-contributory language, the two insurers may dispute whose policy should respond first - a dispute that delays claim resolution and may result in your policy contributing more than intended.

Additional Insured Status Checklist:

• Your legal entity name appears in the "Additional Insured" field of the ACORD 25 form (not just the certificate holder field)
• An actual endorsement exists on the policy (not just a box checked on the certificate)
• The endorsement basis is "primary and non-contributory" per your contract requirement
• The correct entity name is used - not a trade name, abbreviation, or related entity
• The scope of additional insured coverage matches your contract (e.g., ongoing operations vs completed operations)

Ongoing Operations vs Completed Operations

Some additional insured endorsements cover only "ongoing operations" - meaning claims arising while the contractor is actively working. Others extend to "completed operations" - claims arising after the work is done (e.g., construction defect claims).

For construction and long-term service contracts, you may need additional insured coverage for completed operations. The CG 20 10 endorsement covers ongoing operations; the CG 20 37 covers completed operations. Many contracts require both.

What Happens When Additional Insured Status Is Wrong or Missing

If you're not properly named as additional insured and an incident occurs:

• The contractor's insurer has no obligation to defend or indemnify you
• Your own general liability policy may respond instead - consuming your limits and affecting your premiums
• Claim resolution is complicated by coverage disputes between your insurer and the contractor's insurer
• Depending on the facts, you may face uninsured exposure for amounts that exceeded your limits or fell in gaps

This is not theoretical. Additional insured gaps are one of the most frequently litigated insurance coverage disputes in commercial contexts.

Related Resources

• Does My Tenant Need to Name Me as Additional Insured
• How Do I Know If a COI Is Valid
• Do Landlords Need COIs from Tenants
• How to Write Insurance Requirements into a Contract

Bramble verifies that your additional insured endorsements match your contracts - including entity name, endorsement basis, and scope of coverage. Book a demo at getbramble.com.