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 Snapshots Your life is marked by images. Prepare for the unexpected, so you can keep those pictures going. Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.