Mitsui Sumitomo Insurance (MSIG USA)
MSIG USA sells business insurance in Florida.
Based in Warren, NJ. In Florida since 1989.
Taking new business policies
Florida company code 03592, NAIC 20362.
Policies in force
Not available
No count on file
Latest rate change
Not available
No rate change on file
Financial strength
A+ (Superior)
From AM Best, as of Oct 25, 2026
Complaints
2 complaints in 2025 (NAIC, nationwide)
NAIC, 2025, nationwide, all lines
Near you
Can I get a policy?
We're still gathering this company's rules. Call and we'll check for you.
Two choices when your MSIG USA rate goes up
You have two choices. One 5 minute call covers both.
Before you call, see the Florida home insurance renewal checklist.
Shop your renewal in one call
One call. A licensed agent shops other companies for you, free.
What's changed recently
Is MSIG USA leaving Florida? No sign of it. On Oct 24, 2026 OIR showed them as active, and their site said they are admitted in all 50 states. As of Nov 2, 2026. Source: msigusa.com.
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The state gives Mitsui Sumitomo a license
OIR has the date. Mitsui Sumitomo Insurance USA got a Florida license on July 18, 1989.
Rate history
No rate filings tracked yet.
37 years in Florida
In Florida since 1989. Has paid claims through 22 hurricanes.
MSIG USA flood insurance
MSIG USA sells private flood insurance in Florida.They mainly sell to businesses.
Source: Florida Office of Insurance Regulation, Flood Insurance Writers in Florida, read Oct 20, 2026.
Compare MSIG USA side by side
| MSIG USA | State Farm | Slide | |
|---|---|---|---|
| New policies | Taking new policies Checked Nov 2, 2026 | Taking new policies Checked Nov 2, 2026 | Taking new policies Checked Nov 2, 2026 |
| Florida policies | Not available | 654,641 Florida OIR, Jul 31, 2026 | 475,227 Florida OIR, Jul 31, 2026 |
| Latest rate change | Not available | +0.8% Home, from Jan 15, 2026 | Not available |
| Complaint index | 2 complaints in 2025 (NAIC, nationwide) NAIC, 2025, nationwide, all lines | 0.63 NAIC, 2025, nationwide, homeowners. 1.00 is average. | 0.88 NAIC, 2025, nationwide, homeowners. 1.00 is average. |
| Financial rating | A+ (Superior) AM Best, Oct 25, 2026 | A- (Excellent) AM Best | A (Exceptional) Demotech, Oct 7, 2026 |
| In Florida since | 1989 | 1934 | 2022 |
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- Citizens Taking new policies
Citizens is run by the state and covers Florida homes when no private company will. They sell home, condo, renters and wind only plans.
More on our list of Florida commercial insurance companies.
Florida guides for MSIG USA customers
Questions people ask about MSIG USA
What is the MSIG USA claims phone number?Call 866-676-6872 to report a claim in the U.S. The line is open Monday to Thursday 7 a.m. to 7 p.m. ET and Friday 7 a.m. to 6 p.m. ET.
You can also report a claim online.
What is the Mitsui Sumitomo Insurance phone number?The toll free number at their Warren, New Jersey office is 800-388-1802.
For claims, call 866-676-6872.
Does Mitsui Sumitomo sell workers' comp in Florida?Yes.
OIR lists workers' comp among the Florida lines for both Mitsui Sumitomo companies. Their site lists workers' comp with their business products.
Source: Florida OIR company search and msigusa.com, read Oct 24, 2026
Is Mitsui Sumitomo licensed in Florida?Yes.
OIR lists two Mitsui Sumitomo companies as active in Florida. Their codes are 03592 and 01983. Their site says they are admitted in all 50 states.
Can I check on an MSIG USA claim online?Yes.
Their Claims Inquiry system gives you access to your claim files 24/7 once you sign up. You can also call 866-676-6872.
Is MSIG USA a good insurance company?Public data only: AM Best rates their main company A+ (Superior).
They affirmed it on June 5, 2026. The NAIC shows 2 complaints in 2025, all lines, against that company. That is Mitsui Sumitomo Insurance Company of America. MSIG USA is part of MS&AD, a big insurance group from Japan.
MSIG USA reviews and complaints: what the public data shows
MSIG USA rating
- Complaints
- 2 complaints in 2025 (NAIC, nationwide) NAIC, 2025, nationwide, all lines. As of Oct 24, 2026.
- Years in Florida
- Since 1989 (37 years)
- Regulatory actions
- Not available
No star ratings and no user reviews, only public data.