Insurance & Compliance

Additional Insured

Also known as: additional insured endorsement

Definition

An additional insured is a person or business added to someone else's insurance policy so they are also covered by it. Commercial landlords typically require tenants to name them as additional insured on the tenant's liability policy as a condition of the lease.

Being named as an “additional insured” means a party is added to your insurance policy so its protection extends to them too. In a commercial lease, the landlord asks to be listed as additional insured on your liability policy, so they are covered if a claim arises from something at your space.

Additional insured vs. certificate holder

These get confused often:

  • Certificate holder: just receives your certificate of insurance as proof of coverage.
  • Additional insured: is actually covered under your policy, not just notified.

Landlords typically want both, and your lease will spell it out.

What this means for your lease

It is a standard, low-friction step. When you request your COI, you simply ask your insurer to add the property manager as additional insured at the required limits. WareSpace tells you exactly what to list, so it takes minutes, not weeks. See how move-in works on our pricing page or book a tour.

Frequently asked questions

What is the difference between additional insured and certificate holder?
A certificate holder simply receives proof of insurance (the COI). An additional insured is actually covered under the policy, so they can be protected if a claim arises. Landlords usually want to be both.
Does adding an additional insured cost extra?
Many insurers add an additional insured at little or no cost, though some charge a small endorsement fee. It is a routine request your agent can handle quickly when you set up or renew your liability policy.

Last updated June 24, 2026

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