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 a Pipe Breaks Learn what to do when a pipe bursts with this helpful video flooded with smart tips. Did You Know This Fact About Flushing the Toilet? Did you know you can still flush the toilet, even if your well pump is stopped. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.