We are the holding company for several property and casualty insurance companies, which together constitute one of the largest insurance businesses in the United States, providing a wide range of property and casualty products and services to individuals, families, and businesses.
Through a select group of independent agents and brokers, we offer specialized coverages for small and mid-sized businesses, as well as insurance protection for homes, automobiles, and other personal items.
Over the course of our 160 year history, we have established one of the longest and proudest records in the industry, consistently delivering on our promises to protect businesses and individuals.
1852 The Hanover Fire Insurance Company opens in Manhattan at Hanover Square. Among early investors was famed author Washington Irving.
1852Company president John Wyckoff commits to prudent risk taking and investing for the long term.
1852The Hanover appoints its first independent agent, prominent businessman Samuel S. Coe of Cleveland, Ohio.
1855Tradition of community giving begins with a donation to the NYC Widows and Orphans Fund.
1864America expands West, The Hanover forms a general agency to service the new frontier.
1866Portland, Maine fire burns 1800 buildings to the ground, making this the most destructive fire suffered by an American city at this time. The Hanover pays all its claims and helps rebuild the city.
1871 The Great Chicago Fire destroys more than three square miles of the city resulting in losses of $3 billion at present day value. The Hanover is praised by "The Chicago Merchants" having met all claim obligations.
1872Fire in Boston, Massachusetts burns almost half the city. The Hanover passes another difficult financial challenge in its young history.
1880Insures leading businesses, including retailer Marshall Field, financier JP Morgan, Westinghouse, consumer goods companies Colgate and Scott Paper, and entertainer PT Barnum and Bailey.
1881Financial strength continues to increase. In five years, The Hanover doubles its capital to $1 million.
1886Appoints first agent in London.
1906Earthquake and fire level massive areas of San Francisco. The Hanover suffers significant losses, but with prudent underwriting and investing, delivers for its agents and customers.
1911Company charter expands to write other lines of insurance, including marine and automobile.
1915The Hanover's Citizens brand underwrites the first auto policy in Michigan. Early notable auto customers of The Hanover include legendary baseball Hall of Famer Babe Ruth.
1921The Hanover increases its international presence and appoints one of the first insurance agents in China.
1935The Hanover doesn't layoff a single employee during the Depression and continues to pay dividends to its shareholders.
1958Changes name from The Hanover Fire Insurance Company to The Hanover Insurance Group to reflect a broader product range.
1969Moves headquarters from NYC to its present day home office in Worcester, Massachusetts.
1974Purchases all shares of Citizens Mutual Insurance Company and makes it a member of The Hanover Insurance Companies.
2003Reaffirms The Hanover's commitment to do business exclusively through the best independent agents and brokers in the country.
2003-2007Identified by The Wall Street Journal as number one in the P&C industry for increasing shareholder value over a five-year period.
2009Acquires commercial business from OneBeacon Insurance Group, which enables rapid Western U.S. expansion.
A.M. Best upgrades company rating to "A" (Excellent). The only insurer to be upgraded by A.M. Best, Moody's, and S&P over this time.
2010-2011Completes strategic U.S. and international acquisitions. Lloyd's of London Chaucer Holdings adds significant capabilities, geographic diversity and underwriting expertise.
2013The Hanover crosses the $5 billion written premium threshold for the first time in its history and is writing business in 179 countries.
2015Standard & Poor’s upgrades the company’s financial rating to “A” and Forbes recognizes The Hanover as one of America’s best employers and as one of America’s most trustworthy financial companies.
2016Well positioned for success—with the most talented employees in the insurance industry.