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 Snapshots Your life is marked by images. Prepare for the unexpected, so you can keep those pictures going. Did You Know This Fact About Trampolines? Trampolines cause thousands of injuries per year. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.