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 Combine Your Policies and Save Some things just make perfect sense in pairs. What is an Agent? Do you know what an Agent is? Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.