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 Pipe Breaks Learn what to do when a pipe bursts with this helpful video flooded with smart tips. Did You Know This Fact About Basement Flooding? A simple precaution can help prevent basement flooding. Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.