Company Story
1852 - The Hanover Insurance Company was founded in Worcester, Massachusetts.
1871 - The company survived a devastating fire that destroyed much of Worcester.
1916 - The Hanover Insurance Company merged with the Massachusetts Fire Insurance Company.
1969 - The company went public with an initial public offering (IPO).
1995 - The Hanover Insurance Group, Inc. was formed through a merger with Allmerica Property & Casualty Companies.
2003 - The company acquired the property and casualty business of Lloyd's of London.
2011 - The Hanover Insurance Group, Inc. acquired the AIX Group, Inc.
2014 - The company acquired the Channel Specialty Insurance Company.
2017 - The Hanover Insurance Group, Inc. acquired the Spinnaker Insurance Company.