Certificate of Insurance for Contractors: Important Information You Need to Know

As a contractor, having insurance coverage is crucial to protect yourself and your business against potential risks and liabilities. However, it’s not just having a coverage that matters but also having a certificate of insurance (COI) that serves as proof of your coverage. In this article, we’ll discuss everything you need to know about COI, including what it is, why you need it, what it includes, and frequently asked questions.

What Is a Certificate of Insurance?

A certificate of insurance is a document that outlines the coverage and policy details of an insurance policy. In the construction industry, a COI serves as proof that a contractor has insurance coverage in place. It provides a summary of the contractor’s insurance policies and confirms that the insurance meets the client’s specific requirements. A COI is issued by the insurance company and is usually valid for a year.

Why Do You Need a Certificate of Insurance?

A COI is essential for contractors for various reasons, including:

  1. Proof of Insurance: A COI is proof that a contractor has the necessary insurance coverage in place. Many clients require COI before hiring a contractor.
  2. Risk Management: A COI outlines the types of insurance coverage a contractor has, including liability coverage, which protects against third-party claims or lawsuits. Having insurance coverage helps protect contractors from potential financial risks and liabilities.
  3. Clients Expectation: Clients also expect contractors to have insurance coverage in place as it shows that they are committed to providing high-quality services and protecting their clients’ interests.

What Does a Certificate of Insurance Include?

A COI typically includes the following information:

  1. Contractor Information: The name, address, and contact information of the contractor who is covered by the insurance policy.
  2. Insurance Coverage: A COI details the types of insurance coverage that a contractor has, including liability, property, and workers’ compensation.
  3. Policy Details: The policy number, policy period (start and end dates), and limits of liability are also included in the COI.
  4. Certificate Holder Information: The name and address of the certificate holder (client) who requires the COI.
  5. Additional Insured Language: The COI may also include additional insured language, which provides coverage to other parties such as property owners, general contractors, or lenders.


Q1. Who Can Request a Certificate of Insurance?

A1. Clients, property owners, and general contractors can request a COI from a contractor. They use it as proof of insurance coverage and to confirm that the contractor has the necessary policies in place.

Q2. What Happens If a Contractor Doesn’t Have Insurance?

A2. Depending on the state, contractors may be required by law to carry certain types of insurance coverage, such as workers’ compensation. Failure to have insurance coverage can result in fines, legal penalties, and loss of business.

Q3. How Often Should You Get a Certificate of Insurance?

A3. A COI is valid for one year from the date of issuance. A contractor should update their COI annually or whenever there are changes to their insurance coverage or policy details.

Q4. Can a Contractor Modify the COI?

A4. A COI is issued by the insurance company and cannot be modified by the contractor. However, contractors can request changes to their insurance policy, which will be reflected in the COI once it is reissued.

Q5. How Long Does It Take to Get a COI?

A5. The time it takes to get a COI varies depending on the insurance company. However, most companies can issue a COI within a few hours or a day of the request.


A certificate of insurance is a vital document that provides proof of insurance coverage for contractors. It outlines the types of insurance coverage, policy details, and certificate holder information. Having a COI is essential for contractors as it helps manage potential risks and liabilities and meets clients’ expectations. If you’re a contractor, make sure you have an up-to-date COI to protect yourself and your business.