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 Tree Falls This handy video helps you stay prepared in case a fallen tree has damaged your house. Did You Know This Fact About Smoke Detectors? Do you know how often to change the batteries on your smoke detectors? Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.