Hanover Insurance Group Inc (NYSE: THG) is a property and casualty insurance holding company that underwrites and sells insurance products and services across the United States. The company generates revenue primarily through premiums collected on property and casualty insurance policies. It distributes those products exclusively through independent agents and brokers, not through direct or captive channels. THG is incorporated in Delaware and traces its origins to 1852, when The Hanover Fire Insurance Company was founded. The holding company itself was organized as a Delaware corporation in 1995. All business operations are conducted through its insurance subsidiaries, which are consolidated into THG's financial statements. The company operates solely in the U.S. market, as disclosed in its 10-K filed February 20, 2026 (accession 000119312526060983).

Revenue model

Premium income from property and casualty insurance policies sold through independent agents and brokers in the United States.

Products and services

Property and casualty insurance products and services, as described in the 10-K filed 2026-02-20.

Customers and end markets

U.S.-based policyholders reached through independent agents and brokers. Specific customer segments, concentrations, or end-market breakdowns are not detailed in the available filing excerpts.

Value-chain role

Insurance underwriter and carrier; distributes through independent agents and brokers rather than direct or captive sales forces.

Geographic exposure

United States only, as stated in the 10-K filed 2026-02-20.

Source: SEC 10-K, filed 2026-02-20

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