Arthur J. Gallagher & Co. is engaged in providing insurance brokerage, risk management and related services to clients in the U.S. and abroad. Co.'s principal activity is the negotiation and placement of insurance for its clients.

AJG specializes in furnishing risk management services. Risk management involves assisting clients in analyzing risks and determining whether proper protection is best obtained through the purchase of insurance or through retention of all or a portion of those risks, and the adoption of corporate risk management policies and cost-effective loss control and prevention programs.