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Coverages, requirements and common claims for 69 trades. All industries →
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Workers' comp thresholds, disability and paid leave programs, regulators.
06 Nov, 2026, 20:57 IST Cortina received Lloyd's Council's "in principle" approval on 16 October 2026 and is continuing to work with Lloyd's to complete the necessary "Making It Happen" actions in advance of granting of permission to underwrite from 1 January 2027. QBE International is part of QBE Insurance…
Insurers are unlikely to cover business loss from power interruptions unless there’s physical damage, Alana McMullin of Lathrop GPM says. One of the biggest risks data centers face is operational downtime from power interruption…
| # | Insurer | Commercial premiums (2025) | AM Best | Business customer service |
|---|---|---|---|---|
| 1 | TravelersGlobal and national commercial carriers | $27.13 billion | A++ (Superior) | 800-252-2268 |
| 2 | ChubbGlobal and national commercial carriers | $23.25 billion | A++ (Superior) | 800-682-4822 |
| 3 | Liberty MutualGlobal and national commercial carriers | $19.93 billion | A (Excellent) | 800-320-7582 |
| 4 | Berkshire HathawayGlobal and national commercial carriers | $18.64 billion | A++ (Superior) | — |
| 5 | Zurich North AmericaGlobal and national commercial carriers | $14.62 billion | A+ (Superior) | — |
| 6 | The HartfordGlobal and national commercial carriers | $14.61 billion | A+ (Superior) | 866-467-8730 |
| 7 | AIGGlobal and national commercial carriers | $14.45 billion | A (Excellent) | 877-867-3783 |
| 8 | CNAGlobal and national commercial carriers | $13.47 billion | A+ (Superior) | 800-262-2000 |
| 9 | Progressive CommercialPersonal-lines carriers that also insure businesses | $11.69 billion | A+ (Superior) | 800-444-4487 |
| 10 | W. R. BerkleySpecialty and E&S insurers | $10.24 billion | A+ (Superior) | — |
Ranked by 2025 U.S. commercial lines direct premiums written, from NAIC market share data. Ratings are dated on each profile.