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 Message Thank you! Oops! Related Content Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? Did You Know This Fact About Roof Safety? A roof harness is essential if you're up on the roof making repairs. Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.