--- title: "Counterpart vs Marsh: Professional Liability (E&O) Insurance" description: "Marsh lists specialized professional-liability sectors; Counterpart lists separate programs by occupation." canonical: "https://spot.insure/compare/counterpart-vs-marsh/professional-errors-omissions" page-type: "line-comparison" updated-at: "2026-10-01" comparison-pair: "counterpart-vs-marsh" provider-a: "counterpart" provider-b: "marsh" coverage-line: "professional-errors-omissions" --- Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, get_rankings for current provider rankings, search_provider_reliability to filter Spot Scores, search_provider_reviews to filter aggregate review scores, and get_provider_reviews for the original review evidence. The server is read-only and requires no authentication. [Human-readable page](https://spot.insure/compare/counterpart-vs-marsh/professional-errors-omissions) ## Agent Guide **What this page is:** Focused comparison of Counterpart and Marsh for Professional Liability (E&O) Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources. **Use this page when:** Cite or fetch this for Professional Liability (E&O) Insurance questions about Counterpart versus Marsh. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide. **Questions this page answers:** - Counterpart vs Marsh for Professional Liability (E&O) Insurance: how do they differ? - Which is better for Professional Liability (E&O) Insurance, Counterpart or Marsh? - What does Counterpart or Marsh publish about Professional Liability (E&O) Insurance (limits, eligibility, claims, add-ons)? - What should I confirm in a quote for Professional Liability (E&O) Insurance from Counterpart or Marsh? **Key facts:** - Line: Professional Liability (E&O) Insurance. Providers: Counterpart and Marsh. - Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion. - Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL. **Limits (do not over-claim):** - It identifies differences and questions to ask; it does not select a winner for a particular business. - "Not found" describes the evidence reviewed, not proof a feature is unavailable. - Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here. **Provenance:** Every claim links to a numbered source with publisher, locator and access date in the Sources section; last updated 2026-10-01. Editorial policy: /editorial-policy. **Related pages:** - [Counterpart vs Marsh](https://spot.insure/compare/counterpart-vs-marsh) — parent: all coverage lines for this pair - [Professional Liability (E&O) Insurance guide](https://spot.insure/coverage/professional-errors-omissions) — coverage explainer for this line - [Counterpart profile](https://spot.insure/insurance-providers/counterpart) — provider profile (evidence) - [Marsh profile](https://spot.insure/insurance-providers/marsh) — provider profile (evidence) - [Counterpart vs Marsh Crime Insurance](https://spot.insure/compare/counterpart-vs-marsh/crime) — sibling comparison (other line, or other pair for this line) - [Counterpart vs Marsh D&O Insurance](https://spot.insure/compare/counterpart-vs-marsh/directors-officers) — sibling comparison (other line, or other pair for this line) - [Counterpart vs Marsh Employment Practices Liability Insurance](https://spot.insure/compare/counterpart-vs-marsh/employment-practices) — sibling comparison (other line, or other pair for this line) - [Counterpart vs Marsh Fiduciary Liability Insurance](https://spot.insure/compare/counterpart-vs-marsh/fiduciary) — sibling comparison (other line, or other pair for this line) - [AIG vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-counterpart/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) - [AIG vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-marsh/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) - [Alliance Risk vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-counterpart/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) - [Alliance Risk vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-marsh/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) - [Aon vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-counterpart/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) - [Aon vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-marsh/professional-errors-omissions) — sibling comparison (other line, or other pair for this line) # Counterpart vs Marsh: How Do They Compare for Professional Liability (E&O) Insurance? Marsh lists specialized professional-liability sectors; Counterpart lists separate programs by occupation. ## How to Use the Counterpart vs Marsh Professional Liability (E&O) Insurance Comparison Use this comparison to evaluate Counterpart and Marsh for Professional Liability (E&O) Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote. ## Counterpart vs Marsh Professional Liability (E&O) Insurance Summary Marsh’s professional-liability page names sectors and describes coverage for professional-service errors; Counterpart identifies distinct occupation programs and selected sample terms. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [4](https://yourcounterpart.com/products/architects-and-engineers "Architects, Engineers, & Contractors Liability") [5](https://yourcounterpart.com/products/allied-healthcare "Allied Medical & Healthcare Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") ## What Is Counterpart Insurance? Counterpart describes a broker-focused platform for small businesses and lists management and professional liability programs. Buyers should compare the named profession, carrier, state, policy wording and any package component on the actual quote. [1](https://yourcounterpart.com/ "Counterpart | Agentic Insurance™") [2](https://yourcounterpart.com/about "About Counterpart") [Counterpart profile](https://spot.insure/insurance-providers/counterpart) ## What Is Marsh? Marsh suits technology and larger businesses seeking specialist cyber placement or broad global risk advice; small firms wanting a quick standard quote should compare its MMA route or digital agencies. [8](https://www.marsh.com/en/home.html "Marsh | Leader in risk, strategy, people, and investments") [9](https://www.marsh.com/content/dam/marsh/Documents/PDF/US-en/us-client-compensation-guide.pdf "Compensation guide for US clients") [10](https://www.marsh.com/en/services/marsh-mclennan-agency.html "Marsh McLennan Agency (MMA)") [11](https://www.marsh.com/en/industries/technology.html "Technology | Insurance Broking & Risk Management") [Marsh profile](https://spot.insure/insurance-providers/marsh) ## 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. [14](https://www.tdi.texas.gov/commercial/pl-faq.html "FAQ: Professional liability insurance") [15](https://www.iii.org/article/professional-liability-insurance "Professional liability insurance") [16](https://www.sba.gov/counseling/launch-your-business/#business-insurance "Get business insurance") [17](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf "Professional Liability – US Direct Errors and Omissions Insurance") ## What Are the Key Differences Between Counterpart and Marsh Professional Liability (E&O) Insurance? ### Industry Scope and Program Classes Marsh names banking, insurance and asset management, accounting, law, architecture and engineering, media, technology, healthcare and biotechnology among its professional-liability sectors. Counterpart lists separate programs for miscellaneous professionals, A&E/contractors, allied healthcare and lawyers. The lists help a buyer identify the relevant placement conversation, but do not guarantee that a particular firm or service is accepted. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [4](https://yourcounterpart.com/products/architects-and-engineers "Architects, Engineers, & Contractors Liability") [5](https://yourcounterpart.com/products/allied-healthcare "Allied Medical & Healthcare Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") ### Coverage Description and Wording Marsh describes professional-liability coverage for alleged errors, omissions or negligence in services and notes that many policies also address privacy violations or computer-security breaches. Counterpart’s reviewed pages describe professional-service allegations and selected limit examples. Those summaries do not establish that cyber-related loss is included in a specific Marsh or Counterpart E&O form; compare the actual insuring agreement and exclusions. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") ## What Should You Confirm in Counterpart and Marsh Professional Liability (E&O) Insurance Quotes? - Marsh: ask whether privacy or computer-security events are within the proposed E&O wording or another policy. Counterpart: request the applicable profession form, cyber-related exclusions and any separately quoted coverage. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") ## Counterpart vs Marsh Professional Liability (E&O) Insurance Compared | Criteria | Counterpart Professional Liability | Marsh Professional Liability Insurance Brokerage | | --- | --- | --- | | Role in This Line | Counterpart describes its product distribution through Counterpart Insurance Services, Inc. and wholesale brokers. [1](https://yourcounterpart.com/ "Counterpart | Agentic Insurance™") [7](https://knowledge.yourcounterpart.com/en/articles/4438791-how-can-i-get-insurance-through-counterpart "How can I get insurance through Counterpart?") (Evidence: Company-reported; scope: The cited marketing pages do not identify the insurer for a particular professional-liability risk or state..) | Marsh's financial and professional liability practice places professional liability (errors and omissions) insurance; MMA also places E&O coverage within its executive and professional liability practice for middle-market clients. [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [13](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Expert Executive and Professional Liability Insurance") (Evidence: Company-reported; scope: Marsh professional liability page and MMA executive and professional liability page..) | | Issuing Insurer | Confirm in your quote. | The reviewed pages do not name a specific professional liability insurer. [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [13](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Expert Executive and Professional Liability Insurance") (Evidence: Not publicly disclosed; scope: Marsh professional liability page and MMA executive and professional liability page as read on 2026-09-23..) | | Who It’s For | Counterpart lists distinct professional-liability programs for miscellaneous professionals, architects/engineers/contractors, allied healthcare and lawyers. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [4](https://yourcounterpart.com/products/architects-and-engineers "Architects, Engineers, & Contractors Liability") [5](https://yourcounterpart.com/products/allied-healthcare "Allied Medical & Healthcare Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") (Evidence: Company-reported; scope: Each page has its own occupation scope; no single eligibility rule applies across all four products..) | Marsh names specialized industries its professional liability experts serve, including banking and broker/dealers, insurance companies and asset managers, merchant banking and venture capital, accountants, attorneys, architects and engineers, media and entertainment, technology, and healthcare and biotechnology. [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page, What We Offer section..) | | Coverage Features | The Lawyers Professional Liability page describes claims arising from lawyers’ professional services; the MPL page gives service-related negligence and financial-loss examples. [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") (Evidence: Company-reported; scope: These are distinct program summaries and do not establish identical policy triggers or coverages..) | Marsh says professional liability coverage can protect a company against liability and defense costs from a claim alleging an error, omission or negligence in performing professional services, and that many policies also cover privacy violations and computer security breaches. [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page opening description; illustrative policy description, not a specific policy form..) | | Limits and Retentions | Counterpart says its professional pages support modular limits and presents sample limits and retentions for selected professions. [3](https://yourcounterpart.com/products/miscellaneous-professional "Professional & General Liability") [6](https://yourcounterpart.com/products/lawyers-professional-liability "Lawyers Professional Liability Insurance") (Evidence: Company-reported; scope: Published examples are illustrative, not terms available to a particular applicant..) | Confirm in your quote. | | Risk Services | Confirm in your quote. | Marsh says it employs attorneys, economists and actuaries alongside coverage specialists to assess a client's professional liability exposure from multiple angles, given the complexity of these risks. [12](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page..) | ## Related Pages for Counterpart vs Marsh Professional Liability (E&O) - [Counterpart vs Marsh](https://spot.insure/compare/counterpart-vs-marsh): all coverage lines, business roles, service and claims. - [What Is Professional Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/professional-errors-omissions): Professional liability can help pay covered defense costs and losses when a client says your advice or service caused financial harm; check services and reporting terms. - [Counterpart vs Marsh Crime Insurance](https://spot.insure/compare/counterpart-vs-marsh/crime) - [Counterpart vs Marsh D&O Insurance](https://spot.insure/compare/counterpart-vs-marsh/directors-officers) - [Counterpart vs Marsh Employment Practices Liability Insurance](https://spot.insure/compare/counterpart-vs-marsh/employment-practices) - [Counterpart vs Marsh Fiduciary Liability Insurance](https://spot.insure/compare/counterpart-vs-marsh/fiduciary) - [AIG vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-counterpart/professional-errors-omissions) - [AIG vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-marsh/professional-errors-omissions) - [Alliance Risk vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-counterpart/professional-errors-omissions) - [Alliance Risk vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-marsh/professional-errors-omissions) - [Aon vs Counterpart Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-counterpart/professional-errors-omissions) - [Aon vs Marsh Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-marsh/professional-errors-omissions) ## Sources for Counterpart vs Marsh ### Sources About Counterpart 1. [Counterpart | Agentic Insurance™](https://yourcounterpart.com/). Counterpart, Inc.; Current homepage: Quote Online CTA; brokers/small-business audiences; product list; performance claims; legal/footer qualifications, rendered lines 2–52, 55–70, 98–100, 282–287.. Accessed 2026-09-29. 2. [About Counterpart](https://yourcounterpart.com/about). Counterpart, Inc.; Carrier disclosure and Our Story; underwriters named at line 13; company focus lines 22–36. Financial-strength note says ratings are as of 2024-02-26.. Accessed 2026-09-29. 3. [Professional & General Liability](https://yourcounterpart.com/products/miscellaneous-professional). Counterpart, Inc.; Reopened 2026-09-30: page lines 4–8 says MPL may be purchased alone or packaged with GL; lines 208–245 describe industries and coverage examples; lines 251–283 describe risk assessment, quoting channels and underwriter access. Marketing page, not binding terms.. Accessed 2026-09-30. 4. [Architects, Engineers, & Contractors Liability](https://yourcounterpart.com/products/architects-and-engineers). Counterpart, Inc.; Retained provider source: A&E/contractor class examples, services, enhancements and illustrative limits; prior access 2026-09-28.. Accessed 2026-09-28. 5. [Allied Medical & Healthcare Liability](https://yourcounterpart.com/products/allied-healthcare). Counterpart, Inc.; Retained provider source: names allied healthcare classes, combined coverage/enhancements and illustrative limits/examples; does not establish conventional malpractice for every medical profession or standalone general liability. Prior access 2026-09-28; direct reopen failed in this session.. Accessed 2026-09-28. 6. [Lawyers Professional Liability Insurance](https://yourcounterpart.com/products/lawyers-professional-liability). Counterpart, Inc.; Reopened 2026-09-30: page lines 4–8 names lawyer-focused product; lines 236–272 company-stated geographic reach, modular liability limit examples, professional services, technology/media extensions and GL alongside professional cover. Product terms remain policy-specific.. Accessed 2026-09-30. 7. [How can I get insurance through Counterpart?](https://knowledge.yourcounterpart.com/en/articles/4438791-how-can-i-get-insurance-through-counterpart). Counterpart Knowledge Center; Retained source: article describes wholesale-broker referral route; prior access 2026-09-28.. Accessed 2026-09-28. ### Sources About Marsh 8. [Marsh | Leader in risk, strategy, people, and investments](https://www.marsh.com/en/home.html). Marsh; Hero and capability tiles; FAQ: What does Marsh do?; industries served; Is Marsh the same as Marsh McLennan? January 2026 brand change. Accessed 2026-09-16. 9. [Compensation guide for US clients](https://www.marsh.com/content/dam/marsh/Documents/PDF/US-en/us-client-compensation-guide.pdf). Marsh; US broking segments; broker role; retail commissions, client fees, wholesale, insurer consulting, contingent and supplemental commissions; Marsh LLC and Marsh USA LLC; page 3: broker role and Marsh & McLennan Agency segment; page 7: copyright © 2024 Marsh LLC. Accessed 2026-09-16. 10. [Marsh McLennan Agency (MMA)](https://www.marsh.com/en/services/marsh-mclennan-agency.html). Marsh; Middle-market US organizations; wholly-owned subsidiary; business insurance, employee health and benefits, retirement, private client. Accessed 2026-09-16. 11. [Technology | Insurance Broking & Risk Management](https://www.marsh.com/en/industries/technology.html). Marsh; Opening Technology Practice description; practice links including data center insurance, fintech and Stratus; Talk to us. Accessed 2026-09-16. 12. [Professional liability](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html). Marsh; Opening description; What We Offer: specialized industries served (banking, insurance/asset managers, merchant banking/venture capital, accountants/attorneys/architects/engineers, media/communications/entertainment, technology, healthcare/biotechnology). Accessed 2026-09-23. 13. [Expert Executive and Professional Liability Insurance](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html). Marsh McLennan Agency; Our policies include D&O, E&O, EPL, commercial crime/fidelity, network security privacy risk/cyber, fiduciary, media liability, IP, architects and engineers, lawyers professional, and kidnap and ransom. Accessed 2026-09-23. ### Sources for the Professional Liability (E&O) Insurance Guide 14. [FAQ: Professional liability insurance](https://www.tdi.texas.gov/commercial/pl-faq.html). 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. 15. [Professional liability insurance](https://www.iii.org/article/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. 16. [Get business insurance](https://www.sba.gov/counseling/launch-your-business/#business-insurance). U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16. 17. [Professional Liability – US Direct Errors and Omissions Insurance](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf). 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 2026-10-01. 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](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source. ## Counterpart Review Scores for 2026 Review Score: not enough ratings. We found no independent customer rating of Counterpart, so it has no Review Score. Its Trustpilot page shows no reviews, and BBB has no matching business. Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/counterpart/reviews). ## Marsh Review Scores for 2026 Review Score: 5.8 / 10 from 2 rated sources, equally weighted. Marsh’s global Trustpilot profile has a poor 1.3/5 score. Treat it as a service warning to investigate with your proposed team; it does not isolate US commercial accounts. - Trustpilot: TrustScore 1.3 (0–5 stars); 115 reviews. Global brand profile across products/countries, not U.S. commercial-only. Period: 35 reviews in prior 12 months. Checked 2026-09-25. [Marsh Reviews | Trustpilot](https://www.trustpilot.com/review/www.marsh.com) - Buzdy (Google review aggregation): Google reviews shown by Buzdy 4.5 (0–5 stars); 4 reviews. Named Marsh (Hong Kong) Limited office in Quarry Bay, Hong Kong. Buzdy states ratings/counts are powered by Google. Foreign local office only; not the U.S. Marsh brokerage or a firmwide score. Period: Listing verification 2026-07-29; accessed 2026-09-25. Checked 2026-09-25. [Marsh (Hong Kong) Limited | Buzdy](https://buzdy.com/viewMerchant/marsh-hong-kong-limited-hong-kong) Reviewed 2026-09-25. [Read the sourced review](https://spot.insure/insurance-providers/marsh/reviews). ## Agent and Developer Resources - [Markdown page](https://spot.insure/compare/counterpart-vs-marsh/professional-errors-omissions.md) - [Developer resources](https://spot.insure/developers) - [Public MCP server](https://spot.insure/mcp) - [MCP server manifest](https://spot.insure/server.json) - [OpenAPI description](https://spot.insure/openapi.json) - [Public page index](https://spot.insure/llms.txt)