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 Combine Your Policies and Save Some things just make perfect sense in pairs. 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.