Contact claims
- Claims phone
- 800-628-0250
- Customer service
- 800-922-8427
- File or track a claim online
- https://www.hanover.com/claims/claims-services/report-claim
- Website
- https://www.hanover.com
In Michigan, Hanover sells personal insurance under the Citizens name.
Numbers were checked against the company’s own website on Sep 13, 2026. Your policy documents and ID card list the right number for your policy, which can differ by product or state.
About the company
- Headquarters
- Worcester, Massachusetts
- Ownership
- Publicly traded: The Hanover Insurance Group, Inc. (NYSE: THG).
- Insurance it sells
- Auto, Homeowners, Renters, Condo, Umbrella, Motorcycle
- How it sells
- Through independent agents.
- Where it sells
- Actively sells personal insurance in 19 states. About half of its personal lines premiums come from Michigan and Massachusetts.
- Mobile app
- Yes
Market share
- Private passenger auto: 0.41% of U.S. premiums written in 2025 ($1.5 billion), the 25th-largest share nationally.
Source: NAIC, 2025 Top 25 Groups and Companies by Countrywide Premium. Market share measures size only. It says nothing about price, service, or how claims are handled.
WhyInsurance.me doesn’t rate, rank, or recommend insurers. This profile is editorial reference information, not an advertisement, and no company paid to appear or to review it.
Sources
- hanover.com/claims (claims phone)
- hanover.com/claims/claims-services/report-claim (claims page)
- hanover.com/about-hanover/connect/contact-us (customer service phone, headquarters)
- sec.gov/Archives/edgar/data/944695/000119312526060983/thg-20251231.htm (ownership, how it sells, where it sells)
- hanover.com (products)
- hanover.com/individuals/customer-resources/hanover-mobile (mobile app)
- hanover.com (website)
Researched Sep 13, 2026. Reviewed Sep 13, 2026.