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

Marsh, through Marsh McLennan Agency, lists risk consulting and claims analytics; USI Insurance Services, a broker, handles workers' comp for middle-market clients, private equity portfolio companies, and hospitals and physician groups.

USI organizes workers’ comp service around property-casualty, private-equity and healthcare practices; Marsh McLennan Agency describes the line in a single casualty section. ^3,¹

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

How Each Broker Organizes the Line

Both firms broker workers' compensation rather than underwrite it, and neither names an insurer. Marsh McLennan Agency documents the line in a single subsection of its general casualty practice page. ¹ ² ³ ⁴

Choose USI if you are a private-equity portfolio company, healthcare provider or middle-market employer; choose Marsh McLennan Agency if you want workers’ comp handled with broader casualty risks. ³

Services Described for the Line

Marsh applies risk consulting, data-driven claims management and risk analytics across its whole casualty program rather than publishing a workers'-compensation-specific example. ¹ USI illustrates its private equity practice's work on the line with one named account:

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. ³Company-reported. Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account.

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

Ask which USI practice — general P&C, private equity or healthcare — would actually handle your account, since eligibility and services differ across the three pages. ²
Ask both firms to name the insurer that would issue your policy; neither reviewed page discloses one. ¹ ²
Ask USI whether the $1.2 million case-study outcome reflects the risk-control services available to your account size, or only the named portfolio company. ³
Request published limit or experience-modifier targets from USI in writing, since its reviewed pages do not publish general figures beyond that one case study. ²

Marsh vs USI Insurance Services Workers’ Compensation Compared

Marsh vs USI Insurance Services: Workers’ Compensation Insurance: documented features by provider

Criteria	Marsh McLennan Agency Workers' Compensation Insurance	USI Workers' Compensation Brokerage
How to Apply	You work with an MMA casualty specialist directly; the page names an account manager contact and describes advisor-led placement rather than an online quote. ¹Company-reported. MMA casualty insurance page.	USI directs workers' compensation inquiries to pcinquiries@usi.com or a local USI office. ^2,^3,⁴Company-reported. Contact instructions on the Property & Casualty, Private Equity and Healthcare pages.
Coverage Features	MMA says workers' compensation insurance provides coverage for medical expenses, lost wages and other costs in the event of an on-the-job injury or death. ¹Company-reported. MMA casualty insurance page; brief, general description rather than a specific policy form.	USI lists Workers' Compensation among the risk exposures its property & casualty team advises on, and separately among the specialty coverages its Healthcare practice places. ^2,⁴Company-reported. Catalogue listings; actual insuring agreements and state-specific requirements are set by the issued policy.
Role in This Line	Marsh McLennan Agency (MMA) places workers' compensation insurance as one line within its broader casualty insurance practice. ¹Company-reported. MMA casualty insurance page, Workers' Compensation subsection.	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. ^2,^3,⁴Company-reported. Property & Casualty, Private Equity and Healthcare practice pages.
Risk Services	MMA lists risk consulting, claims management using data analytics, and risk analytics as services it applies across its casualty program, which includes workers' compensation. ¹Company-reported. MMA casualty insurance page, Casualty Coverage section; described for the casualty practice broadly, not exclusively for workers' compensation.	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. ³Company-reported. Single named case study on the Private Equity page; company-reported outcome, not independently verified, and not necessarily representative of every account.