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 Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? Understanding Long-Term Care Understanding the types of long-term-care services—and what those services could cost—may be critical. Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.