What is a Carrier? Carrier[kar-ee-er]noun1.The Carrier is the insurance company that provides a specific Policy and is the company that a policyholder will pay Premiums to. The Carrier is ultimately responsible to pay out Claims. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents If a Pipe Breaks Do you know what to do if a pipe breaks in your house? What is a Liability? Do you know what a Liability is? Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.