Contact Us

Mitsui Sumitomo Marine Management (MSMM) has 10 offices throughout the United States. These offices are located in key geographic areas so that our Marketing Representatives, Underwriting, Claims and Risk Engineering professionals are within close proximity to our clients, brokers and agents. We pride ourselves on our customer responsiveness. Please contact us to find out how we can meet your risk management and insurance needs.

If you have any questions, requests or suggestions please contact us at: Info@msigusa.com

MITSUI SUMITOMO INSURANCE®