Carriers › Public insurance groups
The Hanover Insurance Group, Inc.
THG · NYSE · Property & casualty
| Stock ticker | THG |
| SEC CIK | 0000944695 |
| Headquarters country | US |
| State or country of incorporation | DE |
| Fiscal year ends | December 31 |
| US insurance companies | 16 active |
Financial summary
From the company's annual 10-K filings with the SEC. US dollars.
| 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|
| Net premiums written | $4.99B | $5.48B | $5.81B | $6.08B | $6.32B |
| Net premiums earned | $4.77B | $5.25B | $5.66B | $5.91B | $6.16B |
| Losses and benefits incurred | $3.13B | $3.62B | $4.13B | $3.76B | $3.73B |
| Claim reserves | $6.45B | $7.01B | $7.31B | $7.46B | $7.76B |
| Total revenues | $5.23B | $5.47B | $5.99B | $6.24B | $6.59B |
| Net income | $422.8M | $116.0M | $35.3M | $426.0M | $662.5M |
| Shareholders' equity | $3.14B | $2.33B | $2.47B | $2.84B | $3.57B |
| Total assets | $14.25B | $14.00B | $14.61B | $15.27B | $16.95B |
| Loss ratio | 65.7% | 69.0% | 73.0% | 63.5% | 60.5% |
Loss ratio: losses and loss adjustment expenses incurred divided by net premiums earned. Lower means a smaller share of premium went to claims. Calculated from figures in the company's SEC filings. It is not a rating.
US insurance companies in this group
Legal entities from the NAIC company listing. 8 have complaint records from Texas, New York or Connecticut regulators; follow a link for details.
| Company | NAIC | Domicile | Complaint data |
|---|---|---|---|
| AIX SPECIALTY Insurance Company | 12833 | DE | — |
| ALLMERICA FIN ALLIANCE Insurance Company | 10212 | NH | TX, NY |
| ALLMERICA FIN BENEFIT Insurance Company | 41840 | MI | TX |
| CAMPMED Casualty & IND Company INC | 12260 | NH | — |
| CITIZENS Insurance Company OF AMER | 31534 | MI | TX, NY |
| CITIZENS Insurance Company OF IL | 10714 | IL | — |
| CITIZENS Insurance Company OF OH | 10176 | OH | — |
| CITIZENS Insurance Company OF THE MIDWEST | 10395 | IN | — |
| HANOVER AMER Insurance Company | 36064 | NH | TX, CT (102) |
| HANOVER Insurance Company | 22292 | NH | TX, NY, CT (149) |
| HANOVER Insurance Company Group | 884 | — | — |
| HANOVER NATL Insurance Company | 13147 | NH | — |
| MASSACHUSETTS BAY Insurance Company | 22306 | NH | TX, NY, CT (34) |
| NOVA Casualty Company | 42552 | NY | TX, CT (1) |
| THE HANOVER Casualty Company | 41602 | TX | TX |
| VERLAN FIRE Insurance Company MD | 10815 | NH | — |
Sources
Financial figures: SEC EDGAR structured data from 10-K filings, latest filed 2026-02-20. Insurance companies: NAIC company listing, with group links reviewed by promtinsurance.com. Complaint data: Texas Department of Insurance, New York Department of Financial Services and Connecticut Insurance Department. Data updated 2026-09-23.