--- title: "Marsh Professional Liability (E&O) Insurance" description: "What Marsh Professional Liability (E&O) Insurance covers, who it’s for, and its risk services, cited to public sources." canonical: "https://spot.insure/insurance-providers/marsh/professional-errors-omissions" page-type: "offering-page" updated-at: "2026-09-23" --- 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/insurance-providers/marsh/professional-errors-omissions) # Marsh Professional Liability (E&O) Insurance Marsh Professional Liability Insurance Brokerage 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. [1](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [2](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 - **Not publicly disclosed.** The reviewed pages do not name a specific professional liability insurer. [1](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [2](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Expert Executive and Professional Liability Insurance") (Scope: Marsh professional liability page and MMA executive and professional liability page as read on 2026-09-23.) ## Who It’s For - 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. [1](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 - 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. [1](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.) ## Risk Services - 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. [1](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page.) ## Marsh Professional Liability (E&O) Insurance Compared - [Marsh vs Alliance Risk](https://spot.insure/compare/alliance-risk-vs-marsh/professional-errors-omissions) - [Marsh vs At-Bay](https://spot.insure/compare/at-bay-vs-marsh/professional-errors-omissions) - [Marsh vs Beazley](https://spot.insure/compare/beazley-vs-marsh/professional-errors-omissions) - [Marsh vs CFC](https://spot.insure/compare/cfc-vs-marsh/professional-errors-omissions) - [Marsh vs Chubb](https://spot.insure/compare/chubb-vs-marsh/professional-errors-omissions) - [Marsh vs Coalition](https://spot.insure/compare/coalition-vs-marsh/professional-errors-omissions) ## Other Marsh Coverage Lines - [Marsh Builders Risk Insurance](https://spot.insure/insurance-providers/marsh/builders-risk) - [Marsh Commercial Property Insurance](https://spot.insure/insurance-providers/marsh/commercial-property) - [Marsh Crime Insurance](https://spot.insure/insurance-providers/marsh/crime) - [Marsh Cyber Insurance](https://spot.insure/insurance-providers/marsh/cyber) - [Marsh D&O Insurance](https://spot.insure/insurance-providers/marsh/directors-officers) - [Marsh Employee Health Benefits](https://spot.insure/insurance-providers/marsh/employee-health-benefits) - [Marsh Employment Practices Liability Insurance](https://spot.insure/insurance-providers/marsh/employment-practices) - [Marsh Equipment Breakdown Insurance](https://spot.insure/insurance-providers/marsh/equipment-breakdown) - [Marsh Fiduciary Liability Insurance](https://spot.insure/insurance-providers/marsh/fiduciary) - [Marsh Intellectual Property Insurance](https://spot.insure/insurance-providers/marsh/intellectual-property) - [Marsh Kidnap and Ransom Insurance](https://spot.insure/insurance-providers/marsh/kidnap-ransom) - [Marsh Management Liability Insurance](https://spot.insure/insurance-providers/marsh/management-liability) - [Marsh Media Liability Insurance](https://spot.insure/insurance-providers/marsh/media) - [Marsh Surety Bonds](https://spot.insure/insurance-providers/marsh/surety-bonds) - [Marsh Workers’ Compensation Insurance](https://spot.insure/insurance-providers/marsh/workers-compensation) ## Related - [Marsh Profile](https://spot.insure/insurance-providers/marsh) - [Marsh Reliability](https://spot.insure/insurance-providers/marsh/reliability) - [Marsh Alternatives](https://spot.insure/insurance-providers/marsh/alternatives) - [Coverage Guide: Professional errors and omissions (E&O)](https://spot.insure/coverage/professional-errors-omissions) ## Sources 1. [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. 2. [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. Updated 2026-09-23. Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. [Editorial policy](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source. ## Agent and Developer Resources - [Markdown page](https://spot.insure/insurance-providers/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)