How many employees work at Mitsui Sumitomo Insur Grp?

Mitsui Sumitomo Insurance Group has 845 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 7.9%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Mitsui Sumitomo Insur Grp

Overview: MSIG Holdings (U.S.A.), Inc. (MSIG) is a wholly owned subsidiary of the MS & AD Insurance Group Holdings, Inc. – one of the top ten property-casualty insurance groups world-wide. Our Group has capital in excess of $25 Billion, operations in more than 40 countries and nearly 40,000 personnel located globally. MSIG in the U.S. is comprised of three insurance companies with licenses in all fifty states as well as Puerto Rico and the District of Columbia. These companies and five other subsidiaries, deliver state of the art risk financing programs, insurance products, risk engineering and claims management services that enable our clients to effectively and efficiently manage their risks. Our insurance companies share the A.M Best’s A+ XV Rating and Standard & Poor’s A+ Rating of our Japan-based parent. Our clientele runs the gamut from small and mid-sized, sole-proprietorships, partnerships and corporations, up to some of the largest and most sophisticated multinational corporations operating in the U.S. and globally. The vast majority of clients seek our support related to Commercial Lines insurance products including Commercial Property and Liability Insurance products. However, through our subsidiary – Seven Hills Insurance Agency, LLC. – we are able to provide Personal Lines Insurance products including homeowners, renters, automobile, etc. Specialties: All Risk Property, Commercial Liability, Automobile, Workers Compensation, Management Liability, Marine, Excess & Umbrella, Claims Management, Risk Engineering services, etc. Disclaimer: MSIG North America (“MSIG NA”) is the marketing name used to refer to MSIG Holdings (U.S.A.), Inc., and its subsidiary companies. MSIG Holdings (U.S.A.), Inc. is a subsidiary of MS&AD Insurance Group Holdings, Inc. MSIG is a US based holding company that includes US insurers underwriting coverage, as well as producing, managing and service entities. Not all insurers do business in all jurisdictions.

As of September 2025

Mitsui Sumitomo Insur Grp
workforce metrics

Headcount

845

Avg. Salary

$121.6k

Tenure

5.4yr

Growth Rate

7.9%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Mitsui Sumitomo Insur Grp annual worldwide employee count from 2023 to 2025.

  • Mitsui Sumitomo Insur Grp total number of employees in 2025 was 865.03, a 7.9% increase from 2024.
  • Mitsui Sumitomo Insur Grp total number of employees in 2024 was 788.161, a 2.0% increase from 2023.
  • Mitsui Sumitomo Insur Grp total number of employees in 2023 was 772.682, a 4.5% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Mitsui Sumitomo Insur Grp annual active job postings from 2023 to 2025.

  • Mitsui Sumitomo Insur Grp active job postings in 2025 was 130, a 45.3% increase from 2024.
  • Mitsui Sumitomo Insur Grp active job postings in 2024 was 249, a 171.6% increase from 2023.
  • Mitsui Sumitomo Insur Grp active job postings in 2023 was 19, a 141.5% decline from 2022.

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Employee Sentiment

Sentiment Topics

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