Marsh & Mclennan Agency LLC (Ne)
Boston, MA
Marsh & Mclennan Agency LLC (Ne) of Boston, MA is the broker of record on 66 Form 5500 Schedule A filings covering 53 employer benefit plans across 6 states, with $5,493,451 in reported broker commissions (plan year 2025).
Employer clients
Plan sponsors naming Marsh & Mclennan Agency LLC (Ne) on a Form 5500 Schedule A, largest first. Sponsor name, state, participant count and plan year end come directly from the filing.
| Employer | State | Participants | Plan year end |
|---|---|---|---|
| Flagship Pioneering | MA | 1,414 | 2024-12-31 |
| Vicor Corporation | MA | 1,349 | 2025-11-30 |
| Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.C. | MA | 1,194 | 2025-12-31 |
Know who holds the account, and when it renews.
Every US employer benefit plan with its broker of record, reported commissions, participant count and renewal date — from Form 5500 Schedule A, joined to funding rounds, executive hires and layoff notices.
Other benefits brokers in Massachusetts
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Form 5500 Schedule A Part 1 (broker of record), 2024–2025 plan years. Source: U.S. Department of Labor EFAST2. Commission and fee figures are as reported by the plan's insurer on Schedule A Part 1 and are not adjusted.