--- title: "Markel Insurance vs Marsh McLennan Agency: Workers’ Compensation Insurance" description: "Marsh McLennan Agency describes workers’ compensation paired with risk-management and safety support through an adviser; Markel’s overview sets a small-business underwriting path with state-specific eligibility." canonical: "https://spot.insure/compare/markel-vs-marsh-mclennan-agency/workers-compensation" 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: "workers-compensation" --- Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, get_rankings for current provider rankings, search_provider_reliability to filter Spot Scores, search_provider_reviews to filter aggregate review scores, and get_provider_reviews for the original review evidence. The server is read-only and requires no authentication. [Human-readable page](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/workers-compensation) ## Agent Guide **What this page is:** Focused comparison of Markel Insurance and Marsh McLennan Agency for Workers’ Compensation 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 Workers’ Compensation 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 Workers’ Compensation Insurance: how do they differ? - Which is better for Workers’ Compensation Insurance, Markel Insurance or Marsh McLennan Agency? - What does Markel Insurance or Marsh McLennan Agency publish about Workers’ Compensation Insurance (limits, eligibility, claims, add-ons)? - What should I confirm in a quote for Workers’ Compensation Insurance from Markel Insurance or Marsh McLennan Agency? **Key facts:** - Line: Workers’ Compensation 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 - [Workers’ Compensation Insurance guide](https://spot.insure/coverage/workers-compensation) — 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 Crime Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/crime) — 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) - [AIG vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-markel/workers-compensation) — sibling comparison (other line, or other pair for this line) - [AIG vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line) - [Alliance Risk vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-markel/workers-compensation) — sibling comparison (other line, or other pair for this line) - [Amelia Risk vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-markel/workers-compensation) — sibling comparison (other line, or other pair for this line) - [Aon vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-markel/workers-compensation) — sibling comparison (other line, or other pair for this line) - [Aon vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line) # Markel Insurance vs Marsh McLennan Agency: How Do They Compare for Workers’ Compensation Insurance? Marsh McLennan Agency describes workers’ compensation paired with risk-management and safety support through an adviser; Markel’s overview sets a small-business underwriting path with state-specific eligibility. ## Research Scope and Use Use this comparison to evaluate Markel Insurance and Marsh McLennan Agency for Workers’ Compensation 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 invites organizations to work with an adviser and describes workers’ compensation alongside safety and prevention support. Markel invites customers or brokers to contact underwriting for state-dependent small-business coverage. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | 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 Workers’ Compensation Insurance? Workers’ compensation can pay medical care and part of an employee’s lost wages after a work-related injury or illness. If you have staff, check who is covered in each state; owners, contractors and some workers may be treated differently. [7](https://content.naic.org/insurance-topics/workers%27-compensation-insurance "Workers’ Compensation Insurance") [8](https://content.naic.org/consumer/small-business.htm "Small Business Insurance") [9](https://www.dir.ca.gov/dwc/Employer.htm "DWC employer information") [10](https://www.tdi.texas.gov/wc/employer/index.html "Employer resources") ## Key Differences in Workers’ Compensation Insurance ### Placement Contact Marsh McLennan Agency invites organizations to discuss placement with an adviser or specialist; the page does not describe instant online binding. Markel also invites contact with its underwriting team or brokers. Ask each who owns the submission and what authority is available to quote and bind. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") ### Safety and Prevention Marsh McLennan Agency describes workers’ compensation alongside risk-management support focused on safety and prevention. Markel’s reviewed page describes workplace injury and illness coverage but does not detail risk-control services. Ask whether safety assessments or loss-control support are available for your class. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") ### Eligibility and Policy Terms Marsh McLennan Agency frames its audience as commercial businesses seeking insurance and risk support, with class and state specifics determined by placement. Markel says its small-business classes and state availability are not universal. Provide matching business operations and payroll details to confirm appetite and compare forms. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") ## What to Confirm in Workers’ Compensation Insurance Quotes - Ask Marsh McLennan Agency which adviser and safety services will support your account and what insurer and form it proposes. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") - Ask Markel which state and class rules apply, who underwrites the risk, and what risk-control help is available. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") ## Offering Details | Criteria | Markel workers compensation (official overview) | Marsh McLennan Agency workers compensation (official overview) | | --- | --- | --- | | Role in This Line | Markel describes offering workers compensation for the audience stated on the cited product page. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") (Evidence: Company-reported; scope: workers compensation marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | Marsh McLennan Agency describes arranging workers compensation for the audience stated on the cited product page. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: workers compensation 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 | Small-business classes addressed by Markel's workers-compensation page; exact business eligibility and state availability are not universal. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") (Evidence: Company-reported; scope: workers compensation marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | Businesses seeking commercial insurance and risk-management support; exact state and class eligibility is placement-specific. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: workers compensation 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 cited product page describes workers' compensation insurance for workplace injury and illness exposures, subject to the applicable policy and state requirements. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") (Evidence: Company-reported; scope: workers compensation marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | The cited product page describes workers' compensation as a business coverage option, alongside risk-management support focused on safety and prevention. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. [6](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: workers compensation 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 | 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. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") (Evidence: Not publicly disclosed; scope: Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred..) | 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/services/business-insurance.html "Business Insurance | 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 | The page invites prospective customers or brokers to contact Markel or the named underwriting team. The page does not establish a quote, bind, or coverage-effective timeline. [3](https://www.markel.com/us/commercial/small-business/workers-compensation "Workers Compensation Insurance") (Evidence: Company-reported; scope: workers compensation marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | 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/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: workers compensation 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 Workers’ Compensation Insurance?](https://spot.insure/coverage/workers-compensation): Workers’ compensation can pay medical care, rehabilitation and lost wages after an employee’s work-related injury or illness; state rules determine who must be covered. - [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 Crime Insurance](https://spot.insure/compare/markel-vs-marsh-mclennan-agency/crime) - [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) - [AIG vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-markel/workers-compensation) - [AIG vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/workers-compensation) - [Alliance Risk vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-markel/workers-compensation) - [Amelia Risk vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-markel/workers-compensation) - [Aon vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-markel/workers-compensation) - [Aon vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/workers-compensation) ## 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. [Workers Compensation Insurance](https://www.markel.com/us/commercial/small-business/workers-compensation). Markel; Workers compensation product overview; coverage and services sections.. Accessed 2026-09-30. ### 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. [Business Insurance | MMA](https://www.marshmma.com/us/services/business-insurance.html). Marsh McLennan Agency; Workers' compensation is named among business coverage options; risk services address safety and prevention.. Accessed 2026-09-30. ### Workers’ Compensation Insurance Guide 7. [Workers’ Compensation Insurance](https://content.naic.org/insurance-topics/workers%27-compensation-insurance). National Association of Insurance Commissioners; Opening definition; mandatory coverage except Texas opt-in; exclusive remedy; monopolistic state funds; self-insurance note. Accessed 2026-09-16. 8. [Small Business Insurance](https://content.naic.org/consumer/small-business.htm). National Association of Insurance Commissioners; Typically covers medical expenses, rehabilitation costs and lost wages; check with your state insurance department; ask these questions / who qualifies as a covered employee (contractors, part-time staff, interns); payroll and type-of-work rating factors. Accessed 2026-09-16. 9. [DWC employer information](https://www.dir.ca.gov/dwc/Employer.htm). California Department of Industrial Relations, Division of Workers’ Compensation; Opening trade-off and California requirement; basic benefits including medical care, temporary and permanent disability, supplemental job displacement, return-to-work supplement and death benefits; out-of-state employer note. Accessed 2026-09-16. 10. [Employer resources](https://www.tdi.texas.gov/wc/employer/index.html). Texas Department of Insurance, Division of Workers’ Compensation; In Texas, private employers can choose to carry workers’ compensation insurance coverage, but it is not required in most cases; lost wages and medical benefits; except when gross negligence results in a fatality, coverage limits liability. 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/workers-compensation.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)