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? Address Thank you! Oops! Related Contents If a Pipe Breaks Do you know what to do if a pipe breaks in your house? What is an Appraisal? Do you know what an Appraisal is? Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.