Arthur J. Gallagher & Co. is a leading insurance brokerage providing services to middle-market entities worldwide. With a focus on ESG practices, the company helps clients secure property/casualty and health insurance coverage through negotiations with insurance companies. Their revenue is primarily derived from commissioning in the brokerage segment, while also generating income from clean energy investments. Operating in the United States and other countries such as Australia and the United Kingdom, they have a medium risk rating score of 20.5.