Carrier comparison
biBERK vs. Liberty Mutual for Workers' Comp
biBERK and Liberty Mutual are two workers' compensation carriers we can quote side by side through Provident Financial Group, an independent agency. On one application we present every carrier we can access, ranked, so you can compare and purchase online.
biBERK and Liberty Mutual take different approaches to workers' compensation for small businesses. The details below come directly from each carrier's record on this site — we present the facts we have verified so you can compare them directly, then request quotes through our agency. We do not rank one carrier above another; we show every option side by side.
When you submit one application through US Workers Comp Insure, we request quotes from every carrier we can access for your class code and state, including both biBERK and Liberty Mutual where each carrier's appetite and underwriting criteria allow it. A carrier that declines is shown honestly rather than hidden, and a licensed agent at Provident Financial Group can explain why and what alternatives remain.
The two carriers
biBERK
biBERK is the direct-to-consumer online insurance brand of Berkshire Hathaway Direct Insurance Company, founded in 2015 and based in Omaha, Nebraska. Its underwriting entity is included in the A++ (Superior) AM Best rating held by National Indemnity Company and its affiliates.
- AM Best rating:
- A++ (Superior) (as of 2026-04)
- How it’s quoted:
- Through our agency, alongside other carriers
Workers’ comp highlights
- Underwriting entity included in National Indemnity Company's AM Best A++ (Superior) rating, affirmed April 16, 2026
- Founded 2015 as a direct-to-consumer online brand
- Backed by Berkshire Hathaway Direct Insurance Company; based in Omaha, Nebraska
- Built around a simple, self-service online application
- Separate operation from agent-distributed Berkshire Hathaway carriers such as GUARD
Typical fit
- Small businesses comfortable with a fully online, self-service application
- Employers who want a Berkshire Hathaway-backed carrier with a top-tier financial strength rating
- Simpler, lower-complexity accounts across common small-business class codes
- Businesses prioritizing balance-sheet strength when comparing carrier options
Liberty Mutual
Liberty Mutual is a Boston-based mutual insurer founded in 1912 and ranked among the largest property-casualty insurers in the world. Liberty Mutual Insurance Company carries an AM Best Financial Strength Rating of A (Excellent), affirmed September 10, 2025, and it writes workers' compensation across a broad range of account sizes.
- AM Best rating:
- A (Excellent) (as of 2025-09)
- How it’s quoted:
- Through our agency, alongside other carriers
Workers’ comp highlights
- AM Best Financial Strength Rating of A (Excellent); Long-Term ICR a (Excellent), affirmed September 10, 2025
- Founded 1912 in Boston, Massachusetts; a policyholder-owned mutual insurer
- Ranks among the largest property-casualty insurers in the world
- Writes workers' compensation from small commercial accounts through large national programs
- Dedicated risk-control and claims resources for commercial policyholders
- Distributed through independent agents and brokers
Typical fit
- Small to large commercial employers seeking a top-ten U.S. carrier
- Businesses that value a mutual (policyholder-owned) company structure
- Multi-state or growing accounts that may need scale as they expand
- Employers wanting formal risk-control and claims support
Compare up to 10 carriers in minutes.
One application goes out to every carrier we can access for your class of business. You get a ranked comparison you can review and purchase online — with a licensed agent available whenever you want one.
Mon–Fri, 8:00am–6:00pm ET · Independent agency licensed in 23 states
Side by side
| Attribute | biBERK | Liberty Mutual |
|---|---|---|
| Carrier | biBERK | Liberty Mutual |
| AM Best financial strength rating | A++ (Superior) (as of 2026-04) | A (Excellent) (as of 2025-09) |
| How it's quoted | Through our agency, alongside other carriers | Through our agency, alongside other carriers |
| Typical account fit | Small businesses comfortable with a fully online, self-service application; Employers who want a Berkshire Hathaway-backed carrier with a top-tier financial strength rating; Simpler, lower-complexity accounts across common small-business class codes | Small to large commercial employers seeking a top-ten U.S. carrier; Businesses that value a mutual (policyholder-owned) company structure; Multi-state or growing accounts that may need scale as they expand |
| Overview | biBERK is the direct-to-consumer online insurance brand of Berkshire Hathaway Direct Insurance Company, founded in 2015 and based in Omaha, Nebraska. Its underwriting entity is included in the A++ (Superior) AM Best rating held by National Indemnity Company and its affiliates. | Liberty Mutual is a Boston-based mutual insurer founded in 1912 and ranked among the largest property-casualty insurers in the world. Liberty Mutual Insurance Company carries an AM Best Financial Strength Rating of A (Excellent), affirmed September 10, 2025, and it writes workers' compensation across a broad range of account sizes. |
How each is quoted through our agency
biBERK
Quoted through our agency alongside other carriers; we present every option side by side so you can compare and purchase online.
Liberty Mutual
Quoted through our agency alongside other carriers; we present every option side by side so you can compare and purchase online.
The bottom line
There is no single "best" carrier between biBERK and Liberty Mutual. The right fit depends on your operation, class codes, payroll and how each carrier's underwriting appetite lines up with your account — and that is exactly what one application, sent to every carrier we can access, is built to show you.
Rather than choosing one carrier up front, US Workers Comp Insure requests quotes from every carrier we can access for your state and class code, including biBERK and Liberty Mutual where each carrier's criteria allow it, and presents them ranked side by side. A carrier that declines is shown honestly rather than hidden, and a licensed agent at Provident Financial Group can explain why and what alternatives remain.
Frequently asked questions
Are biBERK and Liberty Mutual both available through your agency?
Yes. Both are carriers we can present side by side when you request workers' compensation quotes through our agency, alongside the other carriers we can access for your state and class code.
How do biBERK and Liberty Mutual compare on AM Best rating?
biBERK carries an AM Best financial strength rating of A++ (Superior) (as of 2026-04), and Liberty Mutual carries A (Excellent) (as of 2025-09). Ratings are for identification only and do not imply an endorsement.
Which should I choose, biBERK or Liberty Mutual?
There is no single best answer. The right carrier depends on your operation, class codes, payroll and how each carrier's underwriting appetite fits your account. Rather than picking one up front, we request quotes from every carrier we can access and show you a ranked comparison so you can decide.
Do I have to choose only one carrier to get a quote?
No. You submit one application and we request quotes from every carrier we can access for your account — including biBERK and Liberty Mutual where each carrier's criteria allow it — then present them ranked side by side.
What is biBERK's AM Best rating?
biBERK's underwriting entity, Berkshire Hathaway Direct Insurance Company, is included among the National Indemnity Company affiliates that AM Best rated A++ (Superior) with an aaa (Exceptional) Long-Term Issuer Credit Rating, affirmed April 16, 2026.
When was biBERK founded?
biBERK was founded in 2015 and is based in Omaha, Nebraska.
Is Liberty Mutual a mutual or a stock company?
Liberty Mutual is a mutual insurance company, meaning it is owned by its policyholders rather than shareholders.
What is Liberty Mutual's AM Best rating?
Liberty Mutual Insurance Company carries an AM Best Financial Strength Rating of A (Excellent) and a Long-Term Issuer Credit Rating of a (Excellent), affirmed September 10, 2025.
Sources
- biberk.com — https://www.biberk.com/about-biberk
- markets.financialcontent.com — https://markets.financialcontent.com/stocks/article/bizwire-2026-4-16-am-best-affirms-credit-ratings-of-national-indemnity-company-and-its-affiliates?Language=english%2F1000
- ratings.ambest.com — https://ratings.ambest.com/DisclosurePDF.aspx?AMBNum=2283
- libertymutual.com — https://www.libertymutual.com/awards-and-recognition
Last reviewed · Reviewed by Provident Financial Group licensed agents
Carrier names are used for identification only; we are not affiliated with, endorsed by, or sponsored by any carrier. Quotes are not offers of insurance; coverage and pricing are determined by each carrier’s underwriting.
US Workers Comp Insure is a brand of Provident Financial Group, a licensed independent insurance agency. NJ resident license; licensed in 23 states — NJ, NY, CT, VT, OH, MI, VA, PA, DE, MD, NC, SC, GA, FL, TX, KY, KS, CA, IN, AZ, DC, MA and NV. State license numbers available on request. We are an independent agency, not an insurer; coverage is underwritten by the issuing carrier and is subject to that policy's terms, conditions, limits and exclusions. Quotes are not offers of insurance, and no coverage is bound until confirmed in writing by a licensed agent. Carrier names are used for identification only; we are not affiliated with, endorsed by, or sponsored by any carrier named on this site.
View this comparison at https://usworkerscompinsure.com/compare/biberk-vs-liberty-mutual-workers-comp
Compare up to 10 carriers in minutes.
One application goes out to every carrier we can access for your class of business. You get a ranked comparison you can review and purchase online — with a licensed agent available whenever you want one.
Mon–Fri, 8:00am–6:00pm ET · Independent agency licensed in 23 states