What Does Professional Liability (E&O) Insurance from Marsh Cover?

What Is Marsh’s Role in Professional Liability (E&O) Insurance?

• 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. ^1,2

  Company-reported.Marsh professional liability page and MMA executive and professional liability page.

Who Issues Marsh Professional Liability (E&O) Insurance?

• The reviewed pages do not name a specific professional liability insurer. ^1,2

  Not publicly disclosed.Marsh professional liability page and MMA executive and professional liability page as read on 2026-09-23.

Who Is Marsh Professional Liability (E&O) Insurance 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

  Company-reported.Marsh professional liability page, What We Offer section.

Coverage Features of Marsh Professional Liability (E&O) Insurance

• 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

  Company-reported.Marsh professional liability page opening description; illustrative policy description, not a specific policy form.

Marsh Professional Liability (E&O) Insurance 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

  Company-reported.Marsh professional liability page.

Marsh Professional Liability (E&O) Insurance Compared

• vs

  Marsh vs AIG

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  Marsh vs Alliance Risk

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  Marsh vs Aon

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  Marsh vs At-Bay

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  Marsh vs The Baldwin Group

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  Marsh vs Beazley

Other Coverage Lines Documented for Marsh

• Marsh Builders Risk Insurance

• Marsh Commercial Property Insurance

• Marsh Crime Insurance

• Marsh Cyber Insurance

• Marsh D&O Insurance

• Marsh Employee Health Benefits

• Marsh Employment Practices Liability Insurance

• Marsh Equipment Breakdown Insurance

• Marsh Fidelity Bonds

• Marsh Fiduciary Liability Insurance

• Marsh General Liability Insurance

• Marsh Intellectual Property Insurance

• Marsh Kidnap and Ransom Insurance

• Marsh Management Liability Insurance

• Marsh Media Liability Insurance

• Marsh Surety Bonds

• Marsh Tech E&O Insurance

• Marsh Workers’ Compensation Insurance

Sources for Marsh Professional Liability (E&O) Insurance

1. Professional liability. 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. 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.