Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency: How Do They Compare for Professional Liability (E&O) Insurance?

Berkshire Hathaway Specialty Insurance names target classes within its portfolio, while Marsh McLennan Agency describes separate specialist E&O lines including architects and engineers and lawyers liability. 6,10

What Is Berkshire Hathaway Specialty Insurance?

BHSI provides commercial and specialty insurance in the U.S., with product-specific industry lists that include healthcare, energy and technology. Online quote and application submissions are nonbinding. 1,2,3,4

Read the Berkshire Hathaway Specialty Insurance profile

Read the Berkshire Hathaway Specialty Insurance Professional Liability (E&O) Insurance page

What Is Marsh McLennan Agency?

Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. 8,9

Read the Marsh McLennan Agency profile

Read the Marsh McLennan Agency Professional Liability (E&O) Insurance page

What Is Professional Errors and Omissions (E&O) Insurance?

Professional liability can help pay defense costs and covered losses when a client says your advice or service caused financial harm. If customers rely on your work, list every service you provide and check the claims-made reporting and prior-work terms. 11,12,13,14

Read the full coverage guide

What Are the Key Differences Between Berkshire Hathaway Specialty Insurance and Marsh McLennan Agency Professional Liability (E&O) Insurance?

Named targets and specialist lines

Berkshire Hathaway Specialty Insurance names staffing firms, management consultants, marketing firms and real-estate firms as Miscellaneous Professional Liability targets, while its overview separately lists law-firm size bands. Marsh McLennan Agency describes E&O placement across specialist lines including architects and engineers and lawyers professional liability, rather than presenting them as one form. If your business crosses professional categories, the distinction affects which application and wording you should request from either source. 6 10

Placement and actual policy terms

Marsh McLennan Agency invites organizations to work with an adviser or specialist; BHSI’s overview describes a portfolio with several product types. Neither overview establishes your final coverage, limits or availability. BHSI’s architects, engineers and consultants form includes other exposures alongside professional liability, so confirm whether that combined form is relevant before comparing it with an MMA placement for a single professional line. 10 7

What Should You Confirm in Berkshire Hathaway Specialty Insurance and Marsh McLennan Agency Professional Liability (E&O) Insurance Quotes?

  • Ask MMA which specialist line and carrier it would approach for your profession. 10
  • Ask BHSI for the exact form and whether its combined design-industry coverage applies to your services. 7
  • Compare limits, exclusions and any technology, media or cyber components in the issued wording. 10 6

Berkshire Hathaway Specialty Insurance and Marsh McLennan Agency Review Scores

These averages can combine ratings for different products, locations, and customer groups, including approximate BBB grade conversions. Read each review for the sources, scope, and calculation.

Berkshire Hathaway Specialty Insurance Review Score

-/ 10

Review Score

No reviews found

The public ratings for Berkshire Hathaway Specialty Insurance are low but thin: Trustpilot shows 2.1 out of 5 from 9 reviews and BBB shows 1 out of 5 from 6. Both mix travel and commercial customers, so we don't count them in a score.[5][7]

Read Berkshire Hathaway Specialty Insurance reviews

Marsh McLennan Agency Review Score

8.2/ 10

Review Score

2 rated sources

There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.[8][9][1]

Read Marsh McLennan Agency reviews

Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency Professional Liability (E&O) Compared

Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency: Professional Liability (E&O) Insurance: documented features by provider

CriteriaProfessional First Professional Liability portfolioMarsh McLennan Agency professional errors omissions (official overview)
Role in This Line

Confirm in your quote.

Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. 10Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

Who It’s For

The overview names staffing firms, management consultants, marketing firms and real-estate firms as targeted customers for Miscellaneous Professional Liability; it separately lists law-firm size bands for Lawyers Professional Liability. 6Company-reported. U.S. Professional First target statements; class-specific eligibility only.

Organizations seeking professional liability placement; source does not imply all professions share one policy. 10Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

Coverage Features

BHSI’s U.S. Professional First overview identifies Lawyers Professional Liability and Miscellaneous Professional Liability alongside Technology E&O and Media Liability. 6,5Company-reported. Portfolio catalogue statement; the specific legal/professional class and form must be selected rather than treating the offerings as one policy.

For architects, engineers and consultants, BHSI describes a professional-liability form that also addresses pollution, media, technology and cyber/network-security exposures. 7Company-reported. This is a specialized design-industry combined form, not generic E&O wording or proof that all risks receive each component.

The cited product page describes E&O and named specialist professional lines, including architects and engineers and lawyers professional liability; the overview does not treat them as one form. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 10Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

Limits and Retentions

Confirm in your quote.

The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. 10Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred.

Risk Services

The Professional First overview describes its in-house claims handling group as experienced in complex, high-value claims and integrated with underwriting. 6Company-reported. Company-reported portfolio-level claim-service description, not independently measured claims performance.

Confirm in your quote.

How to Apply

Confirm in your quote.

The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. 10Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

Related Pages for Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency

Professional Liability (E&O) Pages for Berkshire Hathaway Specialty Insurance and Marsh McLennan Agency

Other Coverage Lines Compared for Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency

Other Professional Liability (E&O) Insurance Provider Comparisons

Sources for Berkshire Hathaway Specialty Insurance vs Marsh McLennan Agency

Sources About Berkshire Hathaway Specialty Insurance

  1. At A Glance. Berkshire Hathaway Specialty Insurance; United States section, zero-based PDF pages 49–53 (viewer pages 50–54): product/industry lists on pages 49–50; U.S. disclosure/version footer on page 53 is 2026-8-03 A. The 2026-09-14 A footer is on preceding European page 48, not the U.S. section. Accessed 2026-09-29.
  2. About Us. Berkshire Hathaway Specialty Insurance; About BHSI; company profile page re-opened through official site on 2026-09-28; company says it is part of National Indemnity group. Accessed 2026-09-28.
  3. Terms of Service. Berkshire Hathaway Specialty Insurance; Important Information Concerning Use of this Web Site, paragraphs 2–4; nonbinding submissions, contracted-agent authority, state variation, product availability and policy-specific terms. Accessed 2026-09-28.
  4. Public Disclosure — Berkshire Hathaway Specialty Insurance Singapore Branch. Berkshire Hathaway Specialty Insurance; Singapore branch public disclosure, Company Profile ¶¶ 1–2; direct page opened 2026-09-28. ¶ 1 identifies BHSIC as a Nebraska-domiciled direct P&C insurer; ¶ 2 states BHSIC is wholly owned by National Indemnity Company, itself wholly owned by Berkshire Hathaway Incorporated. Accessed 2026-09-28.
  5. Professional First Professional Liability. Berkshire Hathaway Specialty Insurance; U.S. Professional Liability landing page links Professional Liability / Network Security & Privacy, stand-alone Network Security & Privacy, and Architects, Engineers and Consultants PL, lines 6–15; footer copyright © 2026. Accessed 2026-09-28.
  6. Professional First Professional Liability Overview. Berkshire Hathaway Specialty Insurance; PDF pp.1–2: claims group and reporting; primary blended E&O/Cyber and stand-alone Cyber forms; line capacity statement; named Lawyers PL, Technology E&O, Miscellaneous PL, Media Liability, Network Security & Privacy; named technology-services target types and selection categories; dated 2026-06-03-A. Group capacity not a line policy limit. Source version: 2026-06-03-A. Accessed 2026-09-28.
  7. Professional First Architects, Engineers and Consultants Professional Liability. Berkshire Hathaway Specialty Insurance; Product Highlights: professional/pollution liability; media, technology and cyber/network security/privacy liability; direct breach/extortion expenses; risk services; primary/excess and project-specific product availability; target professions, lines 6–29. Its combined-form technology feature is not itself a standalone Tech E&O statement. Accessed 2026-09-28.

Sources About Marsh McLennan Agency

  1. Who We Are. Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role. Accessed 2026-09-29.
  2. Small Business Insurance Solutions. Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted. Accessed 2026-09-29.
  3. Executive and Professional Liability | MMA. Marsh McLennan Agency; E&O, architects and engineers, and lawyers professional lines are named in the policy suite. Accessed 2026-09-30.

Sources for the Professional Liability (E&O) Insurance Guide

  1. FAQ: Professional liability insurance. Texas Department of Insurance; What’s professional liability coverage?; What types of damages…; What’s general liability insurance?; Do I need professional liability… if I have general liability…?; Is professional liability insurance required?; Can a client require…?; What’s the difference between occurrence policies and claims-made policies. Accessed 2026-09-16.
  2. Professional liability insurance. Insurance Information Institute; Opening paragraphs (professional services/advice and E&O name); Claims not covered by general liability; What types of businesses need professional liability insurance?; What’s covered… and what’s not (claims-made versus occurrence, defense and judgments, non-financial/intentional limits, BOP/in-home exclusion). Accessed 2026-09-16.
  3. Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
  4. Professional Liability – US Direct Errors and Omissions Insurance. Hiscox Inc. specimen; About this Policy / Coverage for Claims Made Against You; I.A Insuring Agreement; I.B Defense; I.C Settlement; II.A Notice of Claims; II.C Optional Extended Reporting Period; III.A, III.K, III.M, III.R, III.S Exclusions; IV.A–B Limits and Deductible; VI.O Professional Services; VI.U Wrongful Act. Accessed 2026-09-16.

Updated . Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. The comparison applies the same criteria to both providers. Editorial policy. To suggest a correction, contact Spot with the page URL and supporting source.

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