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 Message Thank you! Oops! Related Content If You're In An Accident Learn the best steps to take after you’ve been in an automobile accident with this useful, step-by-step video. Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.