NAIC 2025 Market Share Report | High 25 Business Auto Insurers


Electric Truck Rebate Massachusetts

Progressive Continues to Lead the Area

The Nationwide Affiliation of Insurance coverage Commissioners has issued its annual Market Share Knowledge Reviews for each the Property & Casualty Insurance coverage Market, in addition to for the Life & Fraternal Insurance coverage Market. As in previous iterations, the information supplied right here displays a compiled checklist of market share knowledge primarily based upon filings of countrywide premium submitted to the NAIC from Property & Casualty insurers as reported on the State Web page of the NAIC’s annual assertion for insurers.

As soon as collected, the information is compiled right into a report itemizing the cumulative market share knowledge for the seven main traces of insurance coverage in america: All traces; Non-public Passenger Private Auto; Business Auto; Employees’ Compensation; Medical Skilled Legal responsibility; Householders’ Multi-Peril; and Different Legal responsibility (excluding auto legal responsibility).

With roughly 97.92% of P&C insurers reporting, the business recorded roughly $1.06 trillion in Direct Premiums Written in 2024. The highest 10 P&C insurers account for 51.40% of the whole market share, reflecting a continued focus of market share among the many largest carriers.

Non-public passenger auto insurance coverage stays the dominant line of enterprise, with $344.11 billion in direct premiums written, representing roughly 35% of all reported P&C premiums.

Key takeaways from this yr’s Business Auto Insurers Checklist

The U.S. business auto insurance coverage market in 2024 continued its development of sturdy progress, pushed primarily by will increase in direct premiums written among the many high gamers. Progressive Group maintained its dominant place, with a major rise in premiums in comparison with the earlier yr, whereas Vacationers Group and Outdated Republic Group additionally solidified their standings. The general market confirmed stability by way of market share distribution, however sure insurers skilled notable shifts, both gaining floor or experiencing slight declines. This evaluation highlights 5 key takeaways from the 2024 business auto insurance coverage market knowledge.

1. Progressive Group Strengthens Its Lead:

Progressive Group remained the clear chief within the business auto insurance coverage sector, with direct premiums written surging from roughly $9.7 billion in 2023 to $10.8 billion in 2024—a progress of over $1 billion. This progress allowed Progressive to take care of its market share at round 15%, whilst the general market expanded.

2. Vacationers Group Holds Second Place, Marginally Shedding Market Share:

Vacationers Group’s direct premiums written rose from $3.44 billion to $3.86 billion, however regardless of the rise, its market share remained comparatively flat at about 5.37%. This means that whereas the corporate grew its quantity, it didn’t outpace the general market’s progress price.

3. Notable Progress Amongst Mid-Tier Insurers:

Berkshire Hathaway Group and Zurich Insurance coverage Group demonstrated substantial progress, every including over $600 million in direct premiums written in comparison with 2023. These positive aspects mirror strategic underwriting practices and constant demand of their focused segments.

4. Shifts in Market Share Amongst Smaller Gamers:

Firms like Auto-House owners Group and WR Berkley Group noticed modest will increase in each premiums and market share, indicating strategic progress in area of interest markets. Conversely, firms like Allstate and Arch Insurance coverage, current in 2023’s high 25, fell out of the rankings in 2024, reflecting aggressive pressures and doable strategic repositioning.

5. Secure Loss Ratios for Market Leaders:

The common loss ratio throughout the market remained steady, with Progressive sustaining a comparatively favorable loss ratio of round 61%. However, Chubb Ltd Group reported a excessive loss ratio of 103.44%, indicating potential underwriting challenges or elevated declare frequency and severity.


The High 25 P&C Insurers by Countrywide Premium – Business Auto 

RANKGROUP/COMPANY NAMEDIRECT PREMIUMS WRITTENDIRECT PREMIUMS EARNEDDIRECT LOSS TO EP RATIO¹MARKET SHARE %CUMULATIVE MARKET SHARE %³
1PROGRESSIVE GRP10,787,378,37210,437,025,90361.4615.0115.01
Insurance News Massachusetts and US Market Share2TRAVELERS GRP3,857,271,5233,680,217,00964.655.3720.38
Top Insurers in the United State3OLD REPUBLIC GRP2,947,582,3132,739,928,80595.164.1024.48
Top Insurer in the US, Insurance News Massachusetts and US Market Share4LIBERTY MUT GRP2,789,441,1082,715,389,58273.653.8828.36
Top Insurer in the US, Insurance News Massachusetts and US Market Share5BERKSHIRE HATHAWAY GRP2,639,163,6412,262,207,95669.013.6732.03
Zurich Insurance Group6ZURICH INS GRP2,290,826,1532,298,505,35689.113.1935.22
7AUTO OWNERS GRP2,131,997,8801,999,858,67558.232.9738.19
8STATE FARM GRP2,005,849,5251,826,372,59987.842.7940.98
Top Insurer in the US, Insurance News Massachusetts and US Market Share9WR BERKLEY CORP GRP1,486,106,1731,436,391,18263.552.0743.05
10HARTFORD FIRE & CAS GRP1,440,324,7641,332,790,06172.512.0045.05
11AMERICAN INTL GRP1,375,010,8171,282,292,31868.761.9146.97
Agency Checklists, MA Insurance News, Mass. Insurance News, Chubb, Mass. insurance companies12CHUBB LTD GRP1,209,727,9221,165,483,776103.441.6848.65
Top Insurer in the US, Insurance News Massachusetts and US Market Share13FAIRFAX FIN GRP1,172,512,4411,107,723,86677.661.6350.28
Top Insurers in the United States14SELECTIVE INS GRP1,157,236,3391,093,974,30563.361.6151.89
15AMERICAN FINANCIAL GRP1,143,160,1681,107,789,36766.821.5953.48
Top Insurer in the US, Insurance News Massachusetts and US Market Share16CNA INS GRP1,099,828,302983,653,67585.741.5355.01
Agency Checklists, MA Insurance Gorup, Mass. Insurance Group, Tokio Marine, Tokio Marine Massachusetts17TOKIO MARINE HOLDINGS INC GRP1,093,799,1901,035,787,64873.311.5256.54
Insurance News Massachusetts and US Market Share18ERIE INS GRP1,032,778,871962,891,79086.141.4457.97
Top Insurers in the United States19SENTRY INS GRP1,000,933,808977,144,40586.361.3959.37
Insurance News Massachusetts and US Market Share20CSAA INS GRP999,574,697771,182,62680.831.3960.76
21CINCINNATI FIN GRP951,856,444916,037,28955.981.3262.08
Top 25 commercial auto insurers in US 202022ACUITY A MUT INS CO932,057,142876,163,90554.281.3063.38
Top 25 P&C Insurers U.S. | Agency Checklists23FEDERATED MUT GRP859,113,556800,870,85155.471.2064.57
24NATIONWIDE CORP GRP843,794,098980,455,00167.101.1765.75
25KEMPER CORP GRP798,595,025725,711,84061.581.1166.86
INDUSTRY TOTAL71,861,796,53368,443,680,55473.06100.00100.00

Previous NAIC Market Share Reviews

For these taken with revisiting or evaluating this yr’s knowledge with the NAIC Market Share Reviews from previous years, hyperlinks to every of these stories are beneath:

Hyperlinks to our 2025 NAIC Market Share Reviews

Hyperlinks to our 2024 NAIC Market Share Reviews

Hyperlinks to our 2023 NAIC Market Share Reviews



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