Arch Insurance North America to Acquire Allianz Fireman’s Fund MidCorp and Entertainment Insurance Businesses

Arthur J. Gallagher & Co. Acquires Allied Insurance Brokers (and Ascinsure Specialty Risk)

September 23, 2019

Insurance

Arthur J. Gallagher & Co. has acquired Pittsburgh-based Allied Insurance Brokers, including its subsidiary Ascinsure Specialty Risk. The acquisition adds niche crane, scaffold and equipment-dealer insurance expertise and a program underwriting capability to Gallagher’s construction practice and U.S. wholesale operations.

Archrock To Acquire Natural Gas Compression Systems (NGCSI and NGCSE) In $357 Million Deal

March 14, 2025

Industrial Services

Archrock entered into definitive agreements to acquire Natural Gas Compression Systems (NGCSI and NGCSE) for approximately $357 million in a cash-and-stock transaction. The acquisition expands Archrock’s natural gas compression horsepower, increases its Permian Basin capacity, and grows electric motor drive compression capabilities aimed at lower-carbon solutions.

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.

Arch MI to Acquire RMIC Companies, Inc. from Old Republic

November 13, 2023

Insurance

Arch U.S. MI Holdings (Arch MI), a subsidiary of Arch Capital Group Ltd., has signed a definitive agreement to acquire RMIC Companies, Inc. and its subsidiaries, the run-off mortgage insurance business of Old Republic International Corporation. RMIC's approximately $1.0 billion risk-in-force portfolio will be integrated into Arch MI's U.S. primary mortgage portfolio; the transaction is expected to close in the first half of 2024, subject to regulatory approval.

Arthur J. Gallagher & Co. Acquires CBS Insurance, LLP

January 3, 2023

Insurance

Arthur J. Gallagher & Co. acquired CBS Insurance, LLP, an Abilene, Texas-based retail insurance agency that provides property/casualty and health/benefits coverage. Terms were not disclosed; CBS principals Peter Lauve and Steve Senter and their team will remain in place as part of Gallagher's South Central retail operations.

World Insurance Associates Acquires Archambault Insurance Associates

December 1, 2024

Insurance

World Insurance Associates LLC, a nationally ranked insurance brokerage, acquired the business of Archambault Insurance Associates of Putnam, Connecticut effective December 1, 2024. The family-owned, full-service agency will join World to expand the firm's presence in Connecticut; financial terms were not disclosed.