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 Your DNA Test If your family relies on your income, it’s critical to know what their needs would be in the event of your death. What is Underwriting? Do you know what Underwriting is? Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.