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 Accidents Accidents happen to everyone. We’re here to help. Did You Know This Fact About Fire Extinguishers? How often should you check your fire extinguishers? Do you know? Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.