Arthur J. Gallagher & Co. has acquired Blue Horizon Insurance Services (Blue Horizon) in San Diego, California.

Terms of the transaction were not disclosed.

Founded in 2001, Blue Horizon is a retail insurance broker providing property/casualty, employee benefits and risk management insurance services to their commercial and individual clients throughout the United States. They offer insurance coverage and consulting for a wide range of industries including healthcare, real estate, construction, technology, financial, and media and entertainment.

Ronald Zappelli and his team will continue to operate in San Diego under the direction of James G. McFarlane, head of Gallagher's Western retail property/casualty brokerage operations and Norbert Chung, head of Gallagher's Western employee benefits consulting and brokerage operations.

"Blue Horizon is built on a culture that focuses on outstanding client partnerships and strong carrier relationships," said J. Patrick Gallagher, Jr., Chairman, President and CEO. 

"Its solid California presence, high level of expertise and strong emphasis on high-quality client service will be excellent complements to our Western Region's brokerage and consulting operations. We are extremely pleased to welcome Ron and his colleagues to our growing Gallagher family of professionals."

Arthur J. Gallagher & Co., an international insurance brokerage and risk management services firm, is headquartered in Itasca, Illinois, has operations in 33 countries and offers client service capabilities in more than 150 countries around the world through a network of correspondent brokers and consultants.