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Sompo International

Bermuda-based global specialty insurer and reinsurer, known for underwriting complex commercial and specialty risks.

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Highlights

Founded: 2017
Created when Sompo Holdings acquired Endurance Specialty Holdings and launched Sompo International.
$16.4B gross written premium, 2024
Sompo International Holdings figures, including AgriSompo.
$10.6B commercial P&C GWP, 2024
Commercial property and casualty insurance gross written premium.
$4.5B reinsurance GWP, 2024
Reinsurance gross written premium reported for Sompo International Holdings.
A+ financial-strength ratings
Principal operating subsidiaries are rated A+ by AM Best and A+ by S&P.
$101B parent-company assets
Sompo Holdings total assets as of March 31, 2025.

About Sompo International

Sompo International was established in 2017 after Sompo Holdings completed its acquisition of Endurance Specialty Holdings for $6.3 billion and launched a Bermuda-based global commercial insurance and reinsurance platform. It is an indirect wholly owned subsidiary of Japan-listed Sompo Holdings.

The firm provides commercial property and casualty insurance, consumer insurance and reinsurance through businesses spanning North America, Bermuda, the UK, Continental Europe and Asia-Pacific. Its underwriting portfolio includes agriculture, professional lines, property, marine, energy, casualty, cyber, catastrophe and other specialty risks.

Its strongest positioning is in specialty underwriting and reinsurance for complex or hard-to-place exposures, supported by substantial commercial insurance and reinsurance premium volumes and strong financial ratings at its principal operating subsidiaries.

Current openings

0 live · 3 total
2026 Summer Intern
Summer · UK
Closed
TBC
2026 Summer Intern
Spring week · UK
Closed
TBC
Graduate Trainee
Graduate · UK
Closed
TBC

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