Ryan Specialty Acquires Certain Assets of Griffin Underwriting Services

Ryan Specialty Acquires 360° Underwriting

May 20, 2025

Insurance

Ryan Specialty (NYSE: RYAN) has acquired 360° Underwriting, a managing general underwriter specializing in commercial construction based in Dublin and Galway, Ireland. 360 will join the Ryan Specialty Underwriting Managers division to complement Ryan Specialty's latent defect business and serve as a natural entry point into the Irish market; terms were not disclosed.

Ryan Specialty Acquires Certain Assets of ACE Benefit Partners

June 6, 2023

Insurance

Ryan Specialty (NYSE: RYAN) signed a definitive agreement to acquire certain assets of ACE Benefit Partners, a medical stop loss general agent headquartered in Eagle, Idaho. The deal (terms undisclosed) is intended to expand Ryan Specialty Benefits’ medical stop loss distribution capabilities and establish a nationwide presence; the acquisition was expected to close in July 2023.

Ryan Specialty Acquires Castel Underwriting Agencies

December 21, 2023

Insurance

Ryan Specialty (NYSE: RYAN) has signed a definitive agreement to acquire Castel Underwriting Agencies Limited from Arch Financial Holdings (UK) Limited and minority shareholders. Castel is a London-headquartered managing general underwriter (MGA) platform comprising 13 MGUs and generating roughly £35 million of operating revenue; the deal is expected to close in the first half of 2024 subject to regulatory approvals and customary conditions.

Ryan Specialty Acquires J.M. Wilson

July 1, 2025

Insurance

Ryan Specialty (NYSE: RYAN) has completed the acquisition of J.M. Wilson Corporation, integrating JM Wilson's binding authority and surplus lines operations into RT Binding Authority. The acquisition expands Ryan Specialty’s specialty insurance distribution and underwriting capabilities, particularly across commercial transportation, marine, personal lines and surety markets.

Ryan Specialty Acquires AccuRisk Holdings

October 30, 2023

Insurance

Ryan Specialty (NYSE: RYAN) has signed a definitive agreement to acquire AccuRisk Holdings, a Chicago-headquartered medical stop loss managing general underwriter (MGU) founded in 2017. AccuRisk generated approximately $25 million of revenue for the 12 months ended July 31, 2023; the transaction, terms undisclosed, is expected to close in December 2023 and will expand Ryan Specialty's employee benefits capabilities and product depth.

Ryan Specialty Acquires Socius Insurance Services

May 23, 2023

Insurance

Ryan Specialty (NYSE: RYAN) has signed a definitive agreement to acquire Socius Insurance Services, a Northern California–based national wholesale insurance broker, from Abry Partners, employees and other shareholders. Socius will join RT Specialty to expand Ryan Specialty's wholesale distribution and specialty lines capabilities; Socius generated approximately $40 million of revenue for the 12 months ended April 30, 2023.