Aon vs 
Markel Insurance: How Do They Compare for Crime Insurance?
What Is Aon?
Aon’s U.S. Commercial Risk terms describe brokerage for certain insurance programs, while its Middle Market page describes a dedicated practice for mid-sized organizations across North America. The public materials reviewed do not identify the licensed producer or insurer for a particular placement. Ask which entity will produce each line and which insurer will issue the policy; request jurisdiction details for the proposed placement and ask how compensation and claim notice work for your account. 1,2
Markel Insurance: Specialty Business and Products
Markel Insurance is Markel Group's specialty and small-business insurance business, with offerings across packages, workers' compensation, cyber, professional and management liability, property, marine, and surety. Products use different insurers and distribution routes, so compare the issuer and terms shown on the specific quote. 4,5
What Is Crime Insurance?
Crime insurance can help reimburse specified business losses from theft and fraud, including employee theft and forgery. Compare those protections separately and ask whether a payment sent after an impersonation scam is covered. 7,8,9,10,11
Key Differences in Crime Insurance
Standalone crime versus cyber eCrime
Aon identifies Crime as a coverage area within its professional-services practice. Markel Insurance describes eCrime within Cyber 360, including expenses from unauthorized money transfers and fake payment instructions, subject to policy terms. This is a meaningful scope distinction: buyers needing broader employee dishonesty, forgery or property protection should not treat a cyber eCrime feature as a full crime policy without reviewing its wording. 3 6
What the cited descriptions establish
Aon describes arranging or advising on crime as a brokerage service, not issuing the underlying policy. Markel Insurance says its described resources and coverages are for Cyber 360 policyholders and that availability and terms require the quoted policy. Ask Markel whether eCrime is available in the specific cyber form and whether a separate crime product is available; ask Aon for its proposed insurer and form. 3 6
What to Confirm in Crime Insurance Quotes
- Ask Markel whether the quoted Cyber 360 eCrime section responds to employee theft, forged instructions and other events your crime program must address. 3 6
- Ask Aon for covered crime events, insurer and placement entity; ask Markel for Cyber 360 limits, conditions and availability in your jurisdiction. 3 6
Review Scores
These averages can combine ratings for different products, locations, and customer groups, including approximate BBB grade conversions. Read each review for the sources, scope, and calculation.
Aon
Review Score
3 rated sources
Public ratings for Aon are low: Trustpilot shows 1.2 out of 5 from 782 reviews, and BBB shows 1.6 from five. Aon is a global firm, so those pages mostly reflect other parts of the business, not large U.S. commercial accounts.[4][6][7]
Read Aon reviewsMarkel Insurance
Review Score
2 rated sources
There is little public customer feedback on Markel. Trustpilot shows 2.5 out of 5 from just 5 reviews, and BBB lists 12 complaints closed in the last three years.[4][3]
Read Markel Insurance reviewsOffering Details
Aon vs Markel Insurance: Crime Insurance: documented features by provider
| Criteria | Aon Crime brokerage and risk-advisory offering | Markel Cyber 360 eCrime coverage |
|---|---|---|
| Role in This Line | 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. 3Company-reported. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement. | Markel lists eCrime within the fraud and unauthorized-use section of Cyber 360; the reviewed source does not establish a standalone commercial crime policy from this page. 6Company-reported. Cyber policy component only; not a fidelity bond. |
| Issuing 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. 3Not found in reviewed sources. 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. | Confirm in your quote. |
| Who It’s For | 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. 3Company-reported. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement. | Markel describes these resources and coverages for Cyber 360 policyholders; the exact availability and terms require the quoted policy. 6Company-reported. Policyholder-specific access and policy wording apply. |
| Coverage Features | 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. 3Company-reported. 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. | The page says eCrime may cover expenses from fraudulent activity such as unauthorized money transfers and fake payment instructions, subject to policy terms. 6Company-reported. Cyber 360 marketing description; does not establish a general crime-form grant. |
| Limits and Retentions | 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. 3Not publicly disclosed. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed. | Confirm in your quote. |
| Risk 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. 3Company-reported. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated. | Confirm in your quote. |
Full Comparison
More Aon vs Markel Insurance Comparisons
Other Crime Insurance Comparisons
Sources
Aon
- Commercial Risk Solutions U.S. Brokerage Terms of Service. Aon; Lines 120–127: certain-program broker-of-record scope, consultation, application assistance, client signature and bind instruction, and account administration; lines 140–147: variable and contingent compensation, potential placement incentive, and client request route; lines 206–213: no price guarantee and surplus-lines limitations; lines 229–231: client insurer-notice duty unless separately agreed. Accessed 2026-09-29.
- Middle Market Clients. Aon; Lines 125–132: mid-sized organizations and middle-market framing; lines 165–173: dedicated practice and North America statement; lines 188–224: Commercial Risk capabilities. No numeric company-size cutoff or U.S.-only eligibility rule is stated on the reviewed page. Accessed 2026-09-29.
- 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.
Markel Insurance
- About us. Markel; Markel at a glance; description of Markel Insurance within Markel Group Inc. Accessed 2026-09-28.
- Markel Group Inc. 2025 Form 10-K. U.S. Securities and Exchange Commission; filed by Markel Group Inc.; Cover page; Part I, Item 1 Business—Markel Insurance, U.S. Wholesale and Specialty, Programs and Solutions; Part II, Item 7/8 for group and segment risks. Accessed 2026-09-28.
- Cyber Insurance Coverage. Markel; Cyber 360 coverage options: media liability; technology professional liability; eCrime; coverages listed within the cyber policy. Accessed 2026-09-29.
Crime Insurance Guide
- Commercial Insurance Guide. California Department of Insurance; Crime. Accessed 2026-09-16.
- Crime Non-Financial Applications and Forms. Travelers; Opening paragraph; Sample Policy Forms. Accessed 2026-09-16.
- 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.
- 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.
