Aon vs Marsh Mclennan Agency: Commercial Crime Insurance

Marsh McLennan Agency has a dedicated executive and professional liability practice that lists commercial crime and fidelity and invites you to contact an adviser; Aon helps arrange or advise on crime for law, accounting and consulting firms.

Van Ness Partners presents a practical comparison of source materials relevant to financial crime exposures.Research updated 2026-09-30

Crime coverage

Aon

  • role: Aon presents Crime as a line its Professional Services Practice helps arrange or advise on for professional-service firms. Aon is describing a global brokerage and advisory service, not issuing the underlying policy. The producing legal entity and carrier for any particular placement are not named on this page. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.company-reportedSource ↗
  • eligibility: Aon identifies law, accounting and consulting firms as the audience for its global Professional Services Practice. That audience scope does not establish eligibility for every firm or other business. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement.company-reportedSource ↗
  • coverage: Aon lists Crime as a coverage area within its professional-services practice. The page does not describe covered dishonest acts, insured property, policy conditions or bond forms. Aon’s marketing description of the brokerage/coverage area. The page is not the insurer’s policy form and does not establish an insured's entitlement to coverage.company-reportedSource ↗
  • services: Aon says its professional-services advisors use industry knowledge, insights, data and tools to support risk-management and human-capital decisions. This is a company-described advisory service, not a claim outcome or policy benefit. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.company-reportedSource ↗
  • insurer: The reviewed practice page does not name the insurer or producing legal entity for a specific placement. Ask for both on the quote and binder. Aon’s global practice page as reviewed 2026-09-30; no state-specific placement schedule or buyer quote was reviewed. This does not establish that Aon cannot arrange a placement.not-foundSource ↗
  • limits: The reviewed page does not state a buyer-specific limit, retention, deductible or other placement terms. Confirm these in the quote, bond or issued policy. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.not-disclosedSource ↗

Marsh McLennan Agency

  • role: Marsh McLennan Agency describes arranging crime for the audience stated on the cited product page. crime 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 executive and professional liability solutions; the page describes a dedicated practice group. crime 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 commercial crime/fidelity as a named executive and professional liability product; the overview does not specify insured events or terms. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. crime 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. crime 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 ↗

What Are the Key Differences Between Aon and Marsh McLennan Agency Crime Insurance?

Practice focus and documented coverage scope

Aon identifies law, accounting and consulting firms as its professional-services audience and lists Crime as a coverage area. Marsh McLennan Agency names commercial crime and fidelity within its executive and professional liability offering, but the reviewed overview does not itemize events such as employee theft or computer fraud. Buyers should treat this as a product-category description and obtain the actual insuring agreement before deciding whether it fits their exposures. [1] [4]

Advisory and placement contact

Aon describes risk-management advice supported by industry knowledge, data and tools. Marsh McLennan Agency invites organizations to contact an advisor or specialist to discuss placement. Neither page specifies your insurer, limit or quote terms, so the practical next step is a detailed submission that names the dishonest acts and payment risks you need covered. [1] [4]

What Should You Confirm in Aon and Marsh McLennan Agency Crime Insurance Quotes?

  • Ask Marsh McLennan Agency to identify the crime insuring agreements and exclusions in its proposal, including employee theft, third-party fraud and electronic transfers. [1] [4]
  • Ask Aon and Marsh McLennan Agency to identify the proposed insurer, producer, limit, retention and whether crime is packaged with other coverage. [1] [4]

Aon identifies law, accounting and consulting firms as its professional-services practice audience. Marsh McLennan Agency lists commercial crime and fidelity as an executive and professional liability product, but its overview does not specify insured events or policy terms.

Sources consulted

  1. 01
    Professional Services Practice

    Aon · Named professional-services audiences and global advisory role, lines 125–128; line offerings and explanations lines 131–190; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. · accessed 2026-09-30

  2. 02
    Commercial Insurance Guide

    California Department of Insurance · Crime · accessed 2026-09-16

  3. 03
    Social Engineering Fraud Insurance

    Chubb · Opening; coverage highlights · accessed 2026-09-16

  4. 04
    Executive and Professional Liability | MMA

    Marsh McLennan Agency · Policy suite lists commercial crime/fidelity among executive and professional liability offerings. · accessed 2026-09-30

  5. 05
    Crime Terms and Conditions

    The Travelers Companies, Inc. · I.A–G, printed/PDF pages 1–4; III.RR, printed/PDF p.13; V.B.1–2, printed/PDF pp.18–20; Consideration, printed/PDF p.1; III.P p.8; V.A.3 pp.16–17; V.A.4 p.17; V.B.3 p.20; I.A.3 p.1; III.C p.7; III.S pp.8–9; III.II and III.KK p.12; III.QQ p.13; V.A.5 pp.17–18 (printed/PDF pages); IV.J–O, printed/PDF pages 14–15 · accessed 2026-09-16

  6. 06
    Crime Non-Financial Applications and Forms

    Travelers · Opening paragraph; Sample Policy Forms · accessed 2026-09-16

  7. 07
    Commercial Crime Coverage Application

    Travelers Casualty and Surety Company of America · I–III pages 1–2; IX–XI pages 3–4; V–VII, printed/PDF pages 2–3 · accessed 2026-09-16

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