J.W. Terrill, a Marsh & McLennan Agency LLC company Email Format

InsuranceMissouri, United States1001-5000 Employees

J.W. Terrill is a full-service risk management and employee benefits broker in the insurance industry. It provides services including commercial and personal insurance, surety bonds, loss-control services, risk management consulting, and administration of employee benefit programs for self-insured businesses. Founded in 1972, the company is based in the St. Louis area and operates from Chesterfield, Missouri. Since joining Marsh & McLennan Agency in 2015, it operates as a Marsh & McLennan Agency LLC company, aligned with a broader network while maintaining its independent brokerage identity. The firm's client base includes businesses and individuals seeking integrated risk management and benefits solutions, including self-insured organizations. Within MMA, the network has continued to evolve in 2026, with leadership appointments and acquisitions such as the TriBridge Partners transaction, reflecting ongoing expansion.

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