Marsh vs Vouch: Professional Liability / E&O Insurance

Vouch, a broker and not an insurer, aims at accounting, engineering, IT consulting and agency firms with an online Get Started flow. Marsh places E&O for specialized sectors like banking and asset managers, with attorneys and actuaries advising.

Kearny Risk organizes these comparisons for firms whose advice, content or technology creates professional exposures.Research updated 2026-09-25

What Are the Key Differences Between Marsh and Vouch Professional Liability (E&O) Insurance?

Professional Segments vs Enterprise Verticals

Vouch targets accounting and finance, AEC, IT and management consulting, and marketing and creative agencies. [9] Marsh names banking, asset management, venture capital, media, technology, healthcare and biotechnology among the sectors it serves. [5]

Choose Vouch if your firm fits one of its named professional-service segments; choose Marsh if you operate in one of its enterprise sectors and want specialist risk review. [9] [5]

Carrier and Quote Path

Vouch's Corix program names two possible insurers for Corix-branded E&O. [2] Marsh does not name an insurer in advance and describes an attorney, economist and actuary-backed assessment. [5] Vouch provides an online Get Started flow, while Marsh's page describes a consultative broker process. [9] [5]

What Should You Confirm in Marsh and Vouch Professional Liability (E&O) Insurance Quotes?

  • Ask Vouch whether Corix would place your policy and which insurer would issue it. [2]
  • Ask Marsh which insurer would issue your policy. [5]
  • Compare limits, retentions and exclusions in the written quotes. [9] [5]

Areas of coverage

Marsh

  • role: 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. Marsh professional liability page and MMA executive and professional liability page.company-reportedSource ↗Source ↗
  • coverage: 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. Marsh professional liability page opening description; illustrative policy description, not a specific policy form.company-reportedSource ↗
  • eligibility: 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. Marsh professional liability page, What We Offer section.company-reportedSource ↗
  • insurer: The reviewed pages do not name a specific professional liability insurer. Marsh professional liability page and MMA executive and professional liability page as read on 2026-09-23.not-disclosedSource ↗Source ↗
  • 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. Marsh professional liability page.company-reportedSource ↗

Vouch

  • role: Vouch is a broker, not an insurer, for professional errors & omissions coverage. It lists Errors & Omissions among the core coverages it places for professional-services clients, and one of its named program partners, Corix, has a dedicated E&O product. Vouch's Professional Services page and Corix's cyber/E&O product page.company-reportedSource ↗Source ↗
  • insurer: Corix's disclosures say its proprietary products, including its E&O line, are issued by State National Insurance Company or United Specialty Insurance Company. That names an insurer for Corix-branded E&O products specifically, not for every Vouch professional-liability placement. Corix disclosures page.company-reportedSource ↗
  • eligibility: Vouch markets professional E&O to accounting and finance, architecture/engineering/construction, IT consulting, management consulting, and marketing and creative agency firms. Vouch's Professional Services page; not an underwriting appetite guarantee for any specific applicant.company-reportedSource ↗
  • coverage: Corix describes E&O as protecting a business against claims of negligence, mistakes or inadequate work that cause a client financial loss in the provision of professional services, including legal defense costs and any damages awarded, even when the claim is ultimately groundless. Corix's cyber and E&O product page; actual insuring agreements and exclusions are set by the issued policy.company-reportedSource ↗
  • limits: Neither the Vouch nor Corix pages publish E&O policy limits or retentions. Pages checked on 2026-09-23.not-disclosedSource ↗Source ↗
  • application: Corix's E&O product page offers a downloadable application and directs brokers to start an appointment process; Vouch's own site routes prospective buyers to its online "Get Started" application flow. Corix product page and Vouch site navigation.company-reportedSource ↗Source ↗

Vouch lists E&O segments including accounting, AEC, IT and marketing and Corix names possible insurers; Marsh serves banking, finance, technology and healthcare sectors without naming a carrier.

Sources reviewed

  1. 01
    Cyber and Errors & Omissions

    Corix Insurance · Errors & Omissions insurance provided by Corix helps protect businesses for claims of negligence, mistakes, or inadequate work that causes a financial loss to clients, in the provision of professional services. It includes legal defense costs and damages awarded, even when the claim is groundless. · accessed 2026-09-23

  2. 02
    Legal Disclosures

    Corix Insurance · Policies are issued by State National Insurance Company (NAIC# 12831) or United Specialty Insurance Company (NAIC#12537). · accessed 2026-09-23

  3. 03
    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

  4. 04
    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

  5. 05
    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

  6. 06
    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

  7. 07
    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

  8. 08
    Get business insurance

    U.S. Small Business Administration · Six common types of business insurance table · accessed 2026-09-16

  9. 09
    Insurance for Professional Services Firms

    Vouch · Expertise across professional services: Accounting & Finance, Architecture/Engineering/Construction, IT Consulting, Management Consulting, Marketing & Creative Agencies; Core coverages for Professional Services: Errors & Omissions, General Liability, Cyber Liability, Employment Practices Liability, Workers' Compensation · accessed 2026-09-23

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