---
title: "Marsh McLennan Agency vs USI Insurance Services: Workers’ Compensation Insurance"
description: "USI Insurance Services’s cited claim says: “USI's Private Equity Team cites a case study where it analyzed a manufacturing affiliate's workers' compensation claim trends, ran ergonomics, air-quality and sound-level studies, and helped implement new safety procedures within 90 days; USI says the combined insurance-cost and productivity improvements totaled $1.2 million in EBITDA impact.” Its recorded scope says: “Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account.” Marsh McLennan Agency’s selected claim says: “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.” Its recorded scope says: “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.” These records address different subjects and do not establish a like-for-like comparison, so this route remains on evidence hold."
canonical: "https://spot.insure/compare/marsh-mclennan-agency-vs-usi/workers-compensation"
page-type: "line-comparison"
updated-at: "2026-10-01"
comparison-pair: "marsh-mclennan-agency-vs-usi"
provider-a: "marsh-mclennan-agency"
provider-b: "usi"
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/marsh-mclennan-agency-vs-usi/workers-compensation)

## Agent Guide

**What this page is:** Focused comparison of Marsh McLennan Agency and USI Insurance Services 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 Marsh McLennan Agency versus USI Insurance Services. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

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

**Key facts:**
- Line: Workers’ Compensation Insurance. Providers: Marsh McLennan Agency and USI Insurance Services.
- 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 2026-10-01. Editorial policy: /editorial-policy.

**Related pages:**
- [Marsh McLennan Agency vs USI Insurance Services](https://spot.insure/compare/marsh-mclennan-agency-vs-usi) — parent: all coverage lines for this pair
- [Workers’ Compensation Insurance guide](https://spot.insure/coverage/workers-compensation) — coverage explainer for this line
- [Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency) — provider profile (evidence)
- [USI Insurance Services profile](https://spot.insure/insurance-providers/usi) — provider profile (evidence)
- [Marsh McLennan Agency vs USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Crime Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/crime) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Cyber Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/cyber) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services D&O Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/directors-officers) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Employment Practices Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/employment-practices) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Fiduciary Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/fiduciary) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Professional Liability (E&O) Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs USI Insurance Services Surety Bonds](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/surety-bonds) — 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)
- [AIG vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-usi/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-usi/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [Amelia Risk vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [Amelia Risk vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-usi/workers-compensation) — sibling comparison (other line, or other pair for this line)

# Marsh McLennan Agency vs USI Insurance Services: How Do They Compare for Workers’ Compensation Insurance?

USI Insurance Services’s cited claim says: “USI's Private Equity Team cites a case study where it analyzed a manufacturing affiliate's workers' compensation claim trends, ran ergonomics, air-quality and sound-level studies, and helped implement new safety procedures within 90 days; USI says the combined insurance-cost and productivity improvements totaled $1.2 million in EBITDA impact.” Its recorded scope says: “Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account.” Marsh McLennan Agency’s selected claim says: “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.” Its recorded scope says: “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.” These records address different subjects and do not establish a like-for-like comparison, so this route remains on evidence hold.

## How to Use the Marsh McLennan Agency vs USI Insurance Services Workers’ Compensation Insurance Comparison

Use this comparison to evaluate Marsh McLennan Agency and USI Insurance Services 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.

## Marsh McLennan Agency vs USI Insurance Services Workers’ Compensation Insurance Summary

USI Insurance Services’s cited claim says: “USI's Private Equity Team cites a case study where it analyzed a manufacturing affiliate's workers' compensation claim trends, ran ergonomics, air-quality and sound-level studies, and helped implement new safety procedures within 90 days; USI says the combined insurance-cost and productivity improvements totaled $1.2 million in EBITDA impact.” Its recorded scope says: “Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account.” Marsh McLennan Agency’s selected claim says: “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.” Its recorded scope says: “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.” The selected scopes limit each statement to its cited workers’ compensation material; the evidence does not establish a shared comparison dimension, so this route remains on evidence hold. [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA")

## 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. [1](https://www.marshmma.com/us/mma/about-us.html "Who We Are") [2](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 USI Insurance Services?

USI suits software and hardware companies from seed stage through IPO seeking consultative broker support; buyers wanting a self-serve quote should compare digital agencies. Insurer commissions are typical and contingent compensation may also apply. [4](https://www.usi.com/about-usi "The Power of ONE") [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") [6](https://www.usi.com/commissions-fees/ "Commissions and Fees")

[USI Insurance Services profile](https://spot.insure/insurance-providers/usi)

## 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. [10](https://content.naic.org/insurance-topics/workers%27-compensation-insurance "Workers’ Compensation Insurance") [11](https://content.naic.org/consumer/small-business.htm "Small Business Insurance") [12](https://www.dir.ca.gov/dwc/Employer.htm "DWC employer information") [13](https://www.tdi.texas.gov/wc/employer/index.html "Employer resources")

## What Are the Key Differences Between Marsh McLennan Agency and USI Insurance Services Workers’ Compensation Insurance?

### USI’s historical case cannot serve as a matched service benchmark

USI Insurance Services’ selected claim describes a private-equity manufacturing affiliate case: claim-trend analysis, ergonomics and environmental studies, safety procedures implemented within 90 days, and a company-reported combined $1.2 million EBITDA impact. Its scope identifies one named case, says the outcome is not independently verified, and cautions it is not necessarily representative. Marsh McLennan Agency’s selected claim describes the line with broad safety and prevention support. [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA")

### Evidence boundary for this pair

A single historical case outcome cannot be compared with a general service description as if both establish expected account results or equivalent work. MMA’s cited overview does not provide a case or matched service tasks, and USI’s example is not a forecast for another employer. This route is held until current service descriptions address the same risk-control work at comparable scope. The reported $1.2 million remains attributed to USI’s named case only; it does not establish a likely savings or productivity result for this buyer. [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA")

## What Should You Confirm in Marsh McLennan Agency and USI Insurance Services Workers’ Compensation Insurance Quotes?

- Which MMA workers’ compensation source describes specific claim-analysis or safety tasks at account level? [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA")
- What current USI service proposal, beyond the named historical case, applies to the buyer? [8](https://www.usi.com/property-casualty/private-equity "Private Equity")

## Marsh McLennan Agency vs USI Insurance Services Workers’ Compensation Compared

| Criteria | Marsh McLennan Agency workers compensation (official overview) | USI Workers' Compensation Brokerage |
| --- | --- | --- |
| Role in This Line | Marsh McLennan Agency describes arranging workers compensation for the audience stated on the cited product page. [3](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..) | USI is a broker for workers' compensation insurance. It advises on and places coverage across its property & casualty, private equity and healthcare practices rather than underwriting the risk itself. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [9](https://www.usi.com/property-casualty/healthcare/ "Healthcare") (Evidence: Company-reported; scope: Property & Casualty, Private Equity and Healthcare practice pages..) |
| Issuing Insurer | Confirm in your quote. | None of the reviewed pages names the insurer USI uses for workers' compensation placements. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Not publicly disclosed; scope: Pages as read on 2026-09-23..) |
| Who It’s For | Businesses seeking commercial insurance and risk-management support; exact state and class eligibility is placement-specific. [3](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..) | USI's property & casualty team serves middle-market clients broadly; its Private Equity practice separately handles workers' compensation for portfolio companies of financial and strategic buyers, and its Healthcare practice covers hospitals, physician groups and related facilities. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [9](https://www.usi.com/property-casualty/healthcare/ "Healthcare") (Evidence: Company-reported; scope: Company description of client segments for each practice..) |
| Coverage Features | 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. [3](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..) | USI lists Workers' Compensation among the risk exposures its property & casualty team advises on, and separately among the specialty coverages its Healthcare practice places. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [9](https://www.usi.com/property-casualty/healthcare/ "Healthcare") (Evidence: Company-reported; scope: Catalogue listings; actual insuring agreements and state-specific requirements are set by the issued policy..) |
| 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.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..) | None of the reviewed pages publishes workers' compensation limit or experience-modifier target figures beyond the outcome of one named case study. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Not publicly disclosed; scope: Pages as read on 2026-09-23..) |
| Risk Services | Confirm in your quote. | USI's Private Equity Team cites a case study where it analyzed a manufacturing affiliate's workers' compensation claim trends, ran ergonomics, air-quality and sound-level studies, and helped implement new safety procedures within 90 days; USI says the combined insurance-cost and productivity improvements totaled $1.2 million in EBITDA impact. [8](https://www.usi.com/property-casualty/private-equity "Private Equity") (Evidence: Company-reported; scope: Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account..) |
| How to Apply | 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. [3](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..) | USI directs workers' compensation inquiries to pcinquiries@usi.com or a local USI office. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [8](https://www.usi.com/property-casualty/private-equity "Private Equity") [9](https://www.usi.com/property-casualty/healthcare/ "Healthcare") (Evidence: Company-reported; scope: Contact instructions on the Property & Casualty, Private Equity and Healthcare pages..) |

## Related Pages for Marsh McLennan Agency vs USI Insurance Services

- [Marsh McLennan Agency vs USI Insurance Services](https://spot.insure/compare/marsh-mclennan-agency-vs-usi): 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.
- [Marsh McLennan Agency vs USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/commercial-property)
- [Marsh McLennan Agency vs USI Insurance Services Crime Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/crime)
- [Marsh McLennan Agency vs USI Insurance Services Cyber Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/cyber)
- [Marsh McLennan Agency vs USI Insurance Services D&O Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/directors-officers)
- [Marsh McLennan Agency vs USI Insurance Services Employment Practices Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/employment-practices)
- [Marsh McLennan Agency vs USI Insurance Services Fiduciary Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/fiduciary)
- [Marsh McLennan Agency vs USI Insurance Services Professional Liability (E&O) Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/professional-errors-omissions)
- [Marsh McLennan Agency vs USI Insurance Services Surety Bonds](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/surety-bonds)
- [AIG vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/workers-compensation)
- [AIG vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/aig-vs-usi/workers-compensation)
- [Alliance Risk vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/workers-compensation)
- [Alliance Risk vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/alliance-risk-vs-usi/workers-compensation)
- [Amelia Risk vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-marsh-mclennan-agency/workers-compensation)
- [Amelia Risk vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/amelia-risk-vs-usi/workers-compensation)

## Sources for Marsh McLennan Agency vs USI Insurance Services

### Sources About Marsh McLennan Agency

1. [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.
2. [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.
3. [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.

### Sources About USI Insurance Services

4. [The Power of ONE](https://www.usi.com/about-usi). USI Insurance Services; History, client-count, nationwide office, and P&C / benefits / personal risk / retirement description. Accessed 2026-09-16.
5. [Technology Insurance](https://www.usi.com/property-casualty/technology/). USI Insurance Services; Technology practice client types, seed-to-IPO range, and listed insurance placement lines including PrivaSafe. Accessed 2026-09-16.
6. [Commissions and Fees](https://www.usi.com/commissions-fees/). USI Insurance Services; Licensed-producer authority, insurer-paid commission default, contingent compensation, and client request right. Accessed 2026-09-16.
7. [P&C Insurance and Risk Consulting](https://www.usi.com/property-casualty). USI Insurance Services; risk management and insurance advice on broad risk exposures such as Workers' Compensation...; casualty analysts...claim advocates...risk control specialists.... Accessed 2026-09-23.
8. [Private Equity](https://www.usi.com/property-casualty/private-equity). USI Insurance Services; CASE STUDY: USI's Workers' Compensation Claim Analysis and Safety Improvements Save Manufacturer $1.2 Million. Accessed 2026-09-23.
9. [Healthcare](https://www.usi.com/property-casualty/healthcare/). USI Insurance Services; USI's Healthcare Practice offers specialty coverages...including...Workers' Compensation Insurance.... Accessed 2026-09-23.

### Sources for the Workers’ Compensation Insurance Guide

10. [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.
11. [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.
12. [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.
13. [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 2026-10-01. 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.

## Marsh McLennan Agency Review Scores for 2026

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).

## USI Insurance Services Review Scores for 2026

Review Score: 6.4 / 10 from 1 rated source, equally weighted.

USI’s public feedback is too sparse and office-specific for a firmwide verdict. Check the local team’s responsiveness and experience with your type of business.

- BBB: BBB complaint count 4. BBB business-profile grade is distinct from customer-review stars; branch/parent scope matters. Period: three years preceding access 2026-09-25. Checked 2026-09-25. [BBB result for USI Insurance Services](https://www.bbb.org/us/ny/valhalla/profile/insurance-agency/usi-insurance-services-0121-97856/complaints)
- Google reviews via Birdeye: Birdeye office listing rating from Google reviews 3.2 (5 stars); 9 reviews. One Louisville office listing, not firmwide. Birdeye shows Google-origin reviews (9) and 0 Birdeye-native reviews; this duplicates a Google source stream and is not independent of Google. Period: accessed 2026-09-25. Checked 2026-09-25. [USI office, Louisville, KY — Birdeye listing of Google reviews](https://reviews.birdeye.com/usi-insurance-145632496752867)

Reviewed 2026-09-25. [Read the sourced review](https://spot.insure/insurance-providers/usi/reviews).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/marsh-mclennan-agency-vs-usi/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)