---
title: "Markel Insurance vs Marsh McLennan Agency: Crime Insurance"
description: "Markel names transfer and payment-instruction fraud within Cyber 360 eCrime, while Marsh McLennan Agency lists crime as an adviser-placed executive and professional liability solution."
canonical: "https://spot.insure/compare/markel-vs-marsh-mclennan-agency/crime"
page-type: "line-comparison"
updated-at: "2026-09-30"
comparison-pair: "markel-vs-marsh-mclennan-agency"
provider-a: "markel"
provider-b: "marsh-mclennan-agency"
coverage-line: "crime"
---

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[Human-readable page](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/crime)

## Agent Guide

**What this page is:** Focused comparison of Markel Insurance and Marsh McLennan Agency for Crime Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources.

**Use this page when:** Cite or fetch this for Crime Insurance questions about Markel Insurance versus Marsh McLennan Agency. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- Markel Insurance vs Marsh McLennan Agency for Crime Insurance: how do they differ?
- Which is better for Crime Insurance, Markel Insurance or Marsh McLennan Agency?
- What does Markel Insurance or Marsh McLennan Agency publish about Crime Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Crime Insurance from Markel Insurance or Marsh McLennan Agency?

**Key facts:**
- Line: Crime Insurance. Providers: Markel Insurance and Marsh McLennan Agency.
- Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- "Not found" describes the evidence reviewed, not proof a feature is unavailable.
- Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here.

**Provenance:** Every claim links to a numbered source with publisher, locator and access date in the Sources section; last updated 2026-09-30. Editorial policy: /editorial-policy.

**Related pages:**
- [Markel Insurance vs Marsh McLennan Agency](https://spot.insure/compare/markel-vs-marsh-mclennan-agency) — parent: all coverage lines for this pair
- [Crime Insurance guide](https://spot.insure/coverage/crime) — coverage explainer for this line
- [Markel Insurance profile](https://spot.insure/insurance-providers/markel) — provider profile (evidence)
- [Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency) — provider profile (evidence)
- [Markel Insurance vs Marsh McLennan Agency Builders Risk Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/builders-risk) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Cargo and Transit Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/cargo-transit) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Commercial Property Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Cyber Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/cyber) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency D&O Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/directors-officers) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Employment Practices Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/employment-practices) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Fiduciary Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/fiduciary) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Media Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/media) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Markel Insurance vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [AIG vs Markel Insurance Crime Insurance](https://spot.insure/compare/aig-vs-markel/crime) — sibling comparison (other line, or other pair for this line)
- [AIG vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/crime) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Markel Insurance Crime Insurance](https://spot.insure/compare/alliance-risk-vs-markel/crime) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/crime) — sibling comparison (other line, or other pair for this line)
- [Aon vs Markel Insurance Crime Insurance](https://spot.insure/compare/aon-vs-markel/crime) — sibling comparison (other line, or other pair for this line)
- [Aon vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/crime) — sibling comparison (other line, or other pair for this line)

# Markel Insurance vs Marsh McLennan Agency: How Do They Compare for Crime Insurance?

Markel names transfer and payment-instruction fraud within Cyber 360 eCrime, while Marsh McLennan Agency lists crime as an adviser-placed executive and professional liability solution.

## Research Scope and Use

Use this comparison to evaluate Markel Insurance and Marsh McLennan Agency for Crime Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote.

## Summary

Marsh McLennan Agency identifies commercial crime and fidelity as products in its executive and professional liability practice and directs buyers to an adviser. Markel describes eCrime inside Cyber 360 for unauthorized transfers and fake payment instructions. [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage") [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA")

## 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. [1](https://www.markel.com/about-us "About us") [2](https://www.sec.gov/Archives/edgar/data/1096343/000109634326000020/mkl-20251231.htm "Markel Group Inc. 2025 Form 10-K")

[Markel Insurance profile](https://spot.insure/insurance-providers/markel)

## What Is Marsh McLennan Agency?

Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. [4](https://www.marshmma.com/us/mma/about-us.html "Who We Are") [5](https://www.marshmma.com/us/solutions/small-business.html "Small Business Insurance Solutions")

[Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency)

## 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](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm "Commercial Insurance Guide") [8](https://www.travelers.com/business-insurance/professional-liability-insurance/apps-forms/crime-non-financial-institutions "Crime Non-Financial Applications and Forms") [9](https://asset.trvstatic.com/download/assets/cri-3001.pdf/98f30f1063c911eeb2f1deb19c93b21f "Crime Terms and Conditions") [10](https://www.chubb.com/us-en/business-insurance/social-engineering-fraud-coverage-for-crime-insurance.html "Social Engineering Fraud Insurance") [11](https://asset.trvstatic.com/download/assets/cri-1100w-ind.pdf/9aa2577663c911ee91291279531924d3 "Commercial Crime Coverage Application")

## Key Differences in Crime Insurance

### What Each Crime Description Establishes

Marsh McLennan Agency lists commercial crime and fidelity as named products in its executive and professional liability practice, but its overview does not specify insured events or terms. Markel’s Cyber 360 description names eCrime for expenses from unauthorized money transfers and fake payment instructions, subject to policy terms, and does not establish standalone crime insurance. Buyers need different documents from each: ask MMA for a crime form that spells out coverage, and ask Markel for the Cyber 360 eCrime wording and schedule. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage")

### Adviser Route and Program Context

MMA invites organizations seeking executive and professional liability solutions to contact an adviser or specialist; it does not establish quote or binding timing. Markel describes its eCrime resources for Cyber 360 policyholders, with availability and terms dependent on the quote. The practical distinction is whether your adviser is placing a named crime/fidelity solution or adding a cyber component; request the actual proposal structure from each. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage")

### Limits and Terms

MMA’s overview sets no universal limit or retention, and Markel’s Cyber 360 description leaves eCrime terms to the policy. Neither source supports a dollar comparison. Obtain limits, retentions, exclusions, and conditions for the crime section from MMA and for eCrime from Markel before comparing the programs. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage")

## What to Confirm in Crime Insurance Quotes

- Ask MMA for the crime and fidelity policy form, insurer, crime-specific limits, and coverage triggers. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA")
- Ask Markel whether Cyber 360 includes eCrime and request wording and limits for unauthorized transfers and fake payment instructions. [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage")
- Confirm whether each quote is standalone crime coverage or a component of a broader executive-liability or cyber placement. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage")

## Offering Details

| Criteria | Markel Cyber 360 eCrime coverage | Marsh McLennan Agency crime (official overview) |
| --- | --- | --- |
| Role in This Line | 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. [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage") (Evidence: Company-reported; scope: Cyber policy component only; not a fidelity bond..) | Marsh McLennan Agency describes arranging crime for the audience stated on the cited product page. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: 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..) |
| Who It’s For | Markel describes these resources and coverages for Cyber 360 policyholders; the exact availability and terms require the quoted policy. [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage") (Evidence: Company-reported; scope: Policyholder-specific access and policy wording apply..) | Organizations seeking executive and professional liability solutions; the page describes a dedicated practice group. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: 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..) |
| Coverage Features | The page says eCrime may cover expenses from fraudulent activity such as unauthorized money transfers and fake payment instructions, subject to policy terms. [3](https://www.markel.com/us/commercial/professional-and-management-liability/cyber "Cyber Insurance Coverage") (Evidence: Company-reported; scope: Cyber 360 marketing description; does not establish a general crime-form grant..) | 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. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: 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..) |
| Limits and Retentions | Confirm in your quote. | 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. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Not publicly disclosed; scope: Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred..) |
| How to Apply | Confirm in your quote. | 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. [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: 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..) |

## Full Comparison

- [Markel Insurance vs Marsh McLennan Agency](https://spot.insure/compare/markel-vs-marsh-mclennan-agency): all coverage lines, business roles, service and claims.
- [What Is Crime Insurance?](https://spot.insure/coverage/crime): Crime insurance addresses specified theft and fraud losses; employee theft, forgery, funds-transfer fraud and impersonation payments can have separate terms.
- [Markel Insurance vs Marsh McLennan Agency Builders Risk Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/builders-risk)
- [Markel Insurance vs Marsh McLennan Agency Cargo and Transit Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/cargo-transit)
- [Markel Insurance vs Marsh McLennan Agency Commercial Property Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/commercial-property)
- [Markel Insurance vs Marsh McLennan Agency Cyber Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/cyber)
- [Markel Insurance vs Marsh McLennan Agency D&O Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/directors-officers)
- [Markel Insurance vs Marsh McLennan Agency Employment Practices Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/employment-practices)
- [Markel Insurance vs Marsh McLennan Agency Fiduciary Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/fiduciary)
- [Markel Insurance vs Marsh McLennan Agency Media Liability Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/media)
- [Markel Insurance vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/professional-errors-omissions)
- [Markel Insurance vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/workers-compensation)
- [AIG vs Markel Insurance Crime Insurance](https://spot.insure/compare/aig-vs-markel/crime)
- [AIG vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/crime)
- [Alliance Risk vs Markel Insurance Crime Insurance](https://spot.insure/compare/alliance-risk-vs-markel/crime)
- [Alliance Risk vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/crime)
- [Aon vs Markel Insurance Crime Insurance](https://spot.insure/compare/aon-vs-markel/crime)
- [Aon vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/crime)

## Sources

### Markel Insurance

1. [About us](https://www.markel.com/about-us). Markel; Markel at a glance; description of Markel Insurance within Markel Group Inc.. Accessed 2026-09-28.
2. [Markel Group Inc. 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1096343/000109634326000020/mkl-20251231.htm). 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.
3. [Cyber Insurance Coverage](https://www.markel.com/us/commercial/professional-and-management-liability/cyber). Markel; Cyber 360 coverage options: media liability; technology professional liability; eCrime; coverages listed within the cyber policy. Accessed 2026-09-29.

### Marsh McLennan Agency

4. [Who We Are](https://www.marshmma.com/us/mma/about-us.html). Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role.. Accessed 2026-09-29.
5. [Small Business Insurance Solutions](https://www.marshmma.com/us/solutions/small-business.html). Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted.. Accessed 2026-09-29.
6. [Executive and Professional Liability | MMA](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html). Marsh McLennan Agency; Policy suite lists commercial crime/fidelity among executive and professional liability offerings.. Accessed 2026-09-30.

### Crime Insurance Guide

7. [Commercial Insurance Guide](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm). California Department of Insurance; Crime. Accessed 2026-09-16.
8. [Crime Non-Financial Applications and Forms](https://www.travelers.com/business-insurance/professional-liability-insurance/apps-forms/crime-non-financial-institutions). Travelers; Opening paragraph; Sample Policy Forms. Accessed 2026-09-16.
9. [Crime Terms and Conditions](https://asset.trvstatic.com/download/assets/cri-3001.pdf/98f30f1063c911eeb2f1deb19c93b21f). 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.
10. [Social Engineering Fraud Insurance](https://www.chubb.com/us-en/business-insurance/social-engineering-fraud-coverage-for-crime-insurance.html). Chubb; Opening; coverage highlights. Accessed 2026-09-16.
11. [Commercial Crime Coverage Application](https://asset.trvstatic.com/download/assets/cri-1100w-ind.pdf/9aa2577663c911ee91291279531924d3). 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.

Updated 2026-09-30. Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. The comparison applies the same criteria to both providers. [Editorial policy](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source.

## Markel Insurance Reviews

Review Score: 7.5 / 10 from 2 rated sources, equally weighted.

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.

- J.D. Power: Commercial Lines Insurers agent satisfaction score 726 (out of 1,000). 2022 commercial-lines independent-agent satisfaction study and 2025 small-commercial customer study; these use different populations and measures Period: 2022. Checked 2026-09-29. [2025 U.S. Small Commercial Insurance Study](https://www.jdpower.com/business/press-releases/2025-us-small-commercial-insurance-study); [2022 U.S. Independent Agent Satisfaction Study](https://www.jdpower.com/sites/default/files/file/2022-10/2022134%20U.S.%20Independent%20Agent.pdf)
- Trustpilot: TrustScore 2.5 (out of 5); 5 reviews. Trustpilot brand-level page for markel.com. It mixes products and is not mapped to one legal insurer. Checked 2026-09-29. [Markel Reviews](https://www.trustpilot.com/review/markel.com)
- BBB: BBB business grade A+. BBB business profile for Markel Insurance Company headquarters/corporate-owned locations; review and complaint submissions may include other products and affiliates Checked 2026-09-29. [Markel Insurance Company Business Profile](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547); [Markel Insurance Company Complaints](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547/complaints)
- BBB: Complaints 12; 12 reviews. BBB profile for Markel Insurance Company; complaints may include other Markel products and affiliates and BBB says not all submissions are displayed. Period: last 3 years, as displayed 2026-09-29. Checked 2026-09-29. [Markel Insurance Company Complaints](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547/complaints)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/markel/reviews).

## Marsh McLennan Agency Reviews

Review Score: 8.2 / 10 from 2 rated sources, equally weighted.

There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.

- Trustpilot: TrustScore 3.2 (out of 5); 1 reviews. Trustpilot profile for marshmma.com, MMA's own domain. Unclaimed; MMA has not invited reviews. Period: checked 2026-09-29. Checked 2026-09-29. [marshmma.com Trustpilot profile](https://www.trustpilot.com/review/marshmma.com)
- Trustpilot: TrustScore (Marsh brand) 1.3 (out of 5); 115 reviews. Trustpilot page for marsh.com, the global Marsh brand (mostly individual and non-US customers). This is a different entity from MMA. Period: checked 2026-09-29. Checked 2026-09-29. [Marsh Reviews](https://www.trustpilot.com/review/www.marsh.com)
- BBB: BBB business grade A. BBB San Diego-area profile for Marsh & McLennan Agency LLC (accredited). MMA has separate BBB profiles per office; Dayton and Schaumburg both show A+. Checked 2026-09-29. [Marsh & McLennan Agency LLC (San Diego) BBB](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103)
- BBB: Complaints 4. Same San Diego-area profile; zero customer reviews. No client-count denominator. Period: closed in the last three years (checked 2026-09-29). Checked 2026-09-29. [Marsh & McLennan Agency LLC — BBB Complaints](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/complaints); [Marsh & McLennan Agency LLC — BBB Reviews](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/customer-reviews)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/marsh-mclennan-agency/reviews).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/crime.md)
- [Developer resources](https://spot.insure/developers)
- [Public MCP server](https://spot.insure/mcp)
- [MCP server manifest](https://spot.insure/server.json)
- [OpenAPI description](https://spot.insure/openapi.json)
- [Public page index](https://spot.insure/llms.txt)