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? Protecting Your Home Against Flood Loss Protect yourself against the damage that your homeowners policy doesn’t cover. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.