The partner you can depend on in a volatile world
The u003cstrongu003efinancial strength, u003c/strongu003ewith A+ ratings, to assure we’ll be here for the long term.

The u003cbu003eunderwriting excellenceu003c/bu003e to apply data-driven decisions to complex needs.

The u003cbu003eclaims u003c/bu003eprocesses, talent, and technology to work efficiently and diligently.
The u003cbu003eglobal capabilitiesu003c/bu003e to protect your assets no matter where you do business.
The product u003cbu003einnovationu003c/bu003e to address the most demanding risks.
December 16, 2025
Peter McKenna Named to IBA Hot 100 2026 List
MSIG USA today announced that CEO Peter McKenna has been named...
December 1, 2025
MSIG USA Named 2025 Commercial Insurance Solution of the Year
We are excited to announce that MSIG USA has been recognized...

As your commercial property risks evolve, MSIG USA will be there to address them. We bring the financial strength and flexibility to insure properties in the US and globally, across many soft and hard occupancies.

For protection against the liabilities and financial losses that can result from your normal operations, MSIG USA is the partner you can rely on. We offer a variety of casualty coverages for US-based and multinational businesses.

We have provided inland and ocean marine insurance globally since 1957. We understand your challenges and how to safeguard your assets against these unique risks.

Doing business in an ever-changing legal and economic landscape creates a host of financial risks. Turn to MSIG USA for a full suite of financial insurance solutions, customized to the way you do business.

In an increasingly interconnected and volatile world, businesses operating across borders face a wide range of risks, from political instability to financial uncertainty. MSIG USA’s solutions are designed to help companies navigate these challenges with confidence.

In a constantly evolving digital landscape, businesses face growing threats from cyberattacks and data breaches. MSIG USA’s cyber solutions help organizations stay protected and resilient with coverage designed for today’s complex risks.

We’re a long-established partner in the property and casualty market.
We are the US-based subsidiary of MSu0026amp;AD Insurance Group Holdings, Inc., one of the world’s top Pu0026amp;C carriers, with A+, Class 15 ratings and a reach that spans 40+ countries and regions. Our 350-year heritage is a testament to our strength, stability, and commitment to helping protect leading businesses around the globe.
You expect your commercial insurance partner to provide more than a policy. We agree.
We make it our business to understand your business, allowing us to solve your unique risk issues—including the most complex—with coverage that is customized to the way you do business. We complement your insurance with services that help you reduce risk, prevent losses, monitor your claims and loss activity, and achieve an effective and timely resolution. Through it all, our dedicated support team delivers the superior service experience yourrnbusiness deserves.
As new risk areas emerge, trust MSIG USA to offer innovative solutions.
Some of the most innovative businesses face new and challenging risks, including the renewable energy businesses which are creating novel solutions to address climate change and protecting our planet. MSIG USA is committed to addressing emerging risks with creative insurance solutions.
Count on MSIG USA to help keep your business protected, no matter where you operate or what the future brings.
u003cp class=u0022xsmallu0022u003e1 MSIG USA is the marketing name used to refer to certain underwriting subsidiaries of MSIG Holdings (U.S.A.), Inc. (“MSIGH”), and its subsidiary companies.u003c/pu003e
u003cp class=u0022xsmallu0022u003e2 MSu0026amp;AD Insurance Group Holdings, Inc. is publicly traded on the Tokyo Stock Exchange and is the 8th largest non-life insurance group in the world, by revenue.u003c/pu003e
u003cp class=u0022xsmallu0022u003eU.S. Companies Only: MSIG refers to the U.S. subsidiary insurers of Mitsui Sumitomo Insurance Company, Limited, a member of MS u0026amp; AD Insurance Group. MSIG refers to the insurers underwriting coverage: Mitsui Sumitomo Insurance Company of America, Mitsui Sumitomo Insurance USA Inc. and MSIG Specialty Insurance USA Inc. The insurers are managed by Mitsui Sumitomo Marine Management (U.S.A.), Inc. and MSIG Insurance Services, Inc, both with offices at 15 Independence Boulevard, P.O. Box 4602, Warren, NJ 07059-0602, USA.u003c/pu003e
u003cp class=u0022xsmallu0022u003eNot all insurers do business in all jurisdictions. Actual coverage is subject to the language of the policies as issued.u003c/pu003e

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