Who We Are

Learn more about International Media Underwriters

International Marine Underwriters® (IMU) traces its roots to the early 1900s, and offers a full range of ocean marine insurance solutions.

A longtime industry leader, our exceptional expertise and experience enables us to tailor the right coverage solution to meet your particular needs. IMU's regional, full-service focus means our network of professionals knows the local environment and can respond quickly. Our strong relationships with agents and brokers and financial stability result in comprehensive, dependable protection.

IMU is a member of OneBeacon Insurance Group Holdings, Ltd., a subsidiary of Intact Financial Corporation (TSX: IFC). The company's insurance operating subsidiaries are rated "A+" by A.M. Best for financial strength.

Financial Strength

OneBeacon solutions like International Marine Underwriters are backed by financial strength. OneBeacon Insurance Group is Rated 'A+' (superior) by A.M. Best, the company recognized worldwide as the benchmark for assessing insurers' financial strength.

A.M. Best