Liberty Mutual has been in business since 1912. It is headquartered in Boston, Mass., and is the sixth largest global property and casualty insurer based on 2019 gross written premiums. The firm also ranked No. 77 on the Fortune 100 list of largest corporations in the U.S. based on 2019 revenue.  As of December 31, 2019, Liberty Mutual had $43.2 billion in annual consolidated revenue.

Liberty Mutual employs more than 45,000 people in 29 countries around the world. It offers a wide range of insurance products and services, including personal automobile, homeowners, specialty lines, reinsurance, commercial multiple-peril, workers compensation, commercial automobile, general liability, surety, and commercial property.