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 Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? Understanding Homeowner’s Insurance Purchasing homeowners insurance is critical for protecting your home. Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last.