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Liberty Mutual Insurance
Boston, Massachusetts, United States · Founded 1912
10001+ employees
Sourced & current · updated Oct 23, 2026
Liberty Mutual is one of the largest property and casualty insurers in the United States, known for its massive consumer advertising presence and broad portfolio of personal and commercial insurance products.
Where they sit
One of the top five largest property and casualty insurers in the United States by written premium, with a significant global footprint across nearly 30 countries.