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 Combine Your Policies and Save Some things just make perfect sense in pairs. Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.