Marsh McLennan Agency Acquires Integrity HR, Inc.

Marsh & McLennan Agency Acquires Heritage Insurance Service, Inc.

December 2, 2020

Insurance

Marsh & McLennan Agency LLC (MMA), the middle-market agency subsidiary of Marsh, has acquired Heritage Insurance Service, Inc., an independent insurance agency based in Louisville, Kentucky. Heritage, which has about 30 employees across five locations and specializes in trucking and transportation insurance, will join MMA to expand MMA's specialty capabilities and client reach.

Marsh McLennan Acquires McGriff Insurance Services

September 30, 2024

Insurance

Marsh McLennan (through its Marsh McLennan Agency business) has acquired McGriff Insurance Services, LLC for $7.75 billion in cash, a deal that strengthens Marsh McLennan Agency’s capabilities across commercial property & casualty, employee benefits, management liability and personal lines. McGriff—an affiliate of TIH—reported roughly $1.3 billion of trailing twelve-month revenue and will bring more than 3,500 employees into Marsh McLennan; the transaction closed following customary regulatory approvals.

G&A Partners Acquires Integrity Outsource

November 7, 2023

Professional Services

G&A Partners, a Houston-based professional employer organization (PEO), has acquired Integrity Outsource, a Phoenix-based HR outsourcing provider. The deal expands G&A's presence in Arizona and deepens its local talent and client service capabilities as part of the firm's continued roll-up strategy in the PEO market.

Marsh McLennan Agency Acquires The Horton Group, Inc.

July 9, 2024

Insurance

Marsh McLennan Agency (a subsidiary of Marsh) has entered into a definitive agreement to acquire The Horton Group, Inc., a full-service insurance brokerage based in Orland Park, Illinois. Horton’s approximately nine offices and employees (including CEO Dan Horton) will join Marsh McLennan Agency and continue operating locally; the deal is expected to close in the third quarter of 2024 and terms were not disclosed.

Marsh McLennan Agency Acquires Graham Company

August 1, 2023

Insurance

Marsh McLennan Agency, a subsidiary of Marsh, has acquired Philadelphia-based Graham Company, a risk management consultancy and independent insurance and employee benefits broker. All 215 Graham employees will join Marsh McLennan Agency, enabling the firm to expand its business insurance and employee benefits capabilities in the East region.

G&A Partners Acquires Integrity HRM and Covenant Services

October 7, 2025

Staffing & HR

G&A Partners, a national professional employer organization (PEO) headquartered in Houston, has acquired San Antonio-based PEOs Integrity HRM and Covenant Services. The transactions expand G&A’s presence in the San Antonio market and fold the two small, locally focused HR/payroll firms into G&A’s platform while retaining client transitions and founder support roles.