Hiscox vs Marsh Mclennan Agency: Professional Liability / E&O Insurance

Marsh McLennan Agency has organizations contact an adviser to discuss placement, including specialist lines for architects, engineers and lawyers. Hiscox lets eligible small businesses quote and buy professional liability online.

Kearny Risk organizes these comparisons for firms whose advice, content or technology creates professional exposures.Research updated 2026-10-01

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

Online availability and insurer scope

Hiscox says eligible small businesses can quote and buy E&O online and lists the product as licensed for sale in 49 states and Washington, D.C., excluding Alaska. It names Hiscox Insurance Company Inc. as underwriter for admitted Hiscox NOW professional-liability policies; the contracting entity for a specific state or channel should be checked on the quote. MMA’s source names E&O, A&E and lawyers lines. [3] [2] [7]

Claim access after purchase

Hiscox’s professional-liability FAQ describes a claims phone line open 24 hours a day, seven days a week for current customers. MMA’s source identifies its professional product categories. Compare this reporting access with the claims contact and notice instructions in the MMA proposal, and check each policy’s retroactive date and reporting extension before switching. [4] [7]

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

  • Is Hiscox online E&O available for your state and profession, and what insurer and retroactive date appear on the quote? [3] [2]
  • Which MMA specialist line, claim contact and reporting terms apply to your work? [4] [7]

Areas of coverage

Hiscox

  • role: Hiscox Inc., a licensed insurance intermediary, sells professional liability (errors and omissions) coverage directly online to small businesses as part of its Hiscox NOW admitted small-business catalogue. Company-stated online small-business channel.company-reportedSource ↗Source ↗
  • insurer: Hiscox's appetite guide and About Hiscox US page name Hiscox Insurance Company Inc. (NAIC 10200) as the underwriter of admitted Hiscox NOW professional-liability policies. Admitted small-business professional liability as described in company materials; the exact contracting entity for a particular state or channel should be confirmed on the quote.company-reportedSource ↗Source ↗
  • eligibility: Hiscox says professional liability is licensed for sale in 49 states and Washington, D.C., excluding Alaska, and that if it does not sell the product online in a buyer's state, a specialist broker may be able to help instead. Company-stated jurisdiction for the online small-business catalogue; the appetite guide's technology classes (IT consultants, software development) illustrate typical buyers but do not guarantee acceptance for any one applicant.company-reportedSource ↗Source ↗
  • coverage: Hiscox describes professional liability as a claims-made policy, meaning a claim is covered only if it is made (and typically reported) while the policy is active, rather than an occurrence policy covering incidents regardless of when the claim surfaces. Product FAQ description; exact triggers, retroactive dates, exclusions and wording are set by the issued policy.company-reportedSource ↗
  • limits: The professional-liability pages reviewed do not publish standard limit, retention or deductible amounts; specific figures are shown only on a quote. Public product and FAQ pages as previously reviewed.not-disclosedSource ↗Source ↗
  • application: Hiscox says eligible buyers can quote and buy professional liability online, with licensed advisors available by phone during posted hours for questions during the process. Company-described online application; eligibility and binding conditions require confirmation on the actual application.company-reportedSource ↗
  • claims: A professional-liability FAQ tells current customers that the claims phone line is open 24 hours a day, 7 days a week, separate from the general claims-center hours listed elsewhere on the Hiscox site. Company-described claims-reporting availability for this product's FAQ; does not establish claim outcomes or turnaround time.company-reportedSource ↗

Marsh McLennan Agency

  • role: Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. 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.company-reportedSource ↗
  • eligibility: Organizations seeking professional liability placement; source does not imply all professions share one policy. 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.company-reportedSource ↗
  • coverage: 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. 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.company-reportedSource ↗
  • application: 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. 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.company-reportedSource ↗
  • limits: 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. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred.not-disclosedSource ↗

Eligible Hiscox small businesses can quote and buy E&O online; the product is licensed for sale in 49 states and D.C., excluding Alaska, and its FAQ describes a 24/7 claims line. MMA names E&O, A&E and lawyers lines.

Sources reviewed

  1. 01
    About Hiscox US Insurance

    Hiscox · Hiscox Insurance Company Inc. NAIC 10200 as Chicago, IL domiciled insurer admitted or licensed in all 50 states and D.C.; Hiscox Inc. as general agent · accessed 2026-09-16

  2. 02
    Hiscox US Agent Appetite Guide

    Hiscox · Hiscox NOW admitted GL, PL, cyber and BOP underwritten by Hiscox Insurance Company Inc.; technology classes including IT consultants and software development · accessed 2026-09-16

  3. 03
    Professional Liability Insurance for Small Businesses

    Hiscox · Professional liability/E&O product; licensed in 49 states and Washington, D.C. (Alaska excluded); specialist-broker assistance if not licensed in a state; licensed-advisor hours · accessed 2026-09-16

  4. 04
    What is Professional Liability Insurance?

    Hiscox · Claims-made description; current-customer claim number described as open 24 hours a day, 7 days a week · accessed 2026-09-16

  5. 05
    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

  6. 06
    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

  7. 07
    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

  8. 08
    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

  9. 09
    Get business insurance

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

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