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A certificate of liability insurance (COI)

A certificate of liability insurance (COI), also known as a certificate of insurance or proof of insurance, is a document that summarizes key information about a business’s liability insurance coverage

. It serves as official proof that the business has a valid and active insurance policy in place to protect against claims of bodily injury, property damage, or negligence. 

What is a certificate of liability insurance used for?
  • Verifying Insurance Coverage: A COI is often requested by clients, landlords, or business partners to ensure that the business they are working with is adequately insured.
  • Meeting Contractual Obligations: Many contracts and agreements include clauses that require businesses to maintain certain types and limits of insurance. A COI helps demonstrate compliance with these requirements.
  • Risk Mitigation: By requesting and verifying COIs from contractors and vendors, businesses can reduce their own liability exposure by ensuring that the third party’s insurance will cover potential losses stemming from their work.
  • Applying for Professional Licenses: Some professions, like real estate agents and contractors, are legally required to carry general liability insurance, and a COI can serve as proof when applying for the necessary licenses.
  • Securing Commercial Leases: Landlords often require tenants to provide a COI, demonstrating that the business has liability coverage in case of accidents or damages on the leased property.
What information is included in a certificate of liability insurance?
  • Insured’s Name and Address
  • Name and Contact Information of the Insurance Company
  • Policy Number
  • Policy Effective and Expiration Dates
  • Types of Coverage (e.g., General Liability, Professional Liability, Workers’ Compensation)
  • Policy Limits
  • Deductibles (if applicable)
  • Description of Operations (if relevant to specific projects or locations)
  • Certificate Holder’s Name and Address (the party requesting the COI)
  • Indication of whether the Certificate Holder is an “Additional Insured” on the policy
  • Any endorsements, such as waivers of subrogation or primary and noncontributory clauses.
How to get a certificate of liability insurance
  1. Purchase a Liability Insurance Policy: You must have an active liability insurance policy to get a COI.
  2. Request from Your Insurer or Agent: Your insurance company or agent will issue you a COI once you have a policy. You can often download a copy online through their customer portal or request one directly from your agent.
  3. Provide Necessary Information: To get a COI for a specific client or job, you may need to provide their name, address, and potentially their tax ID number. 
Important considerations
  • COIs are typically one page long and often based on the standardized ACORD 25 form used in the insurance industry.
  • It’s crucial to verify the accuracy of the information on any COI you receive, including the dates, coverage limits, and insured parties.
  • Adding a client or partner as an “additional insured” on your policy is a common practice, particularly for services where a mutual risk exists, This extends coverage to the additional insured if they are sued as a result of your work.
  • There is no cost for a certificate of liability insurance itself, as it’s simply proof of an existing policy. However, the cost of the underlying insurance policy will depend on various factors. 
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