Arthur J. Gallagher & Co. - Home Page : Arthur J. Gallagher & Co. Arthur J. Gallagher, insurance broker, Gallagher investor relations, Gallagher careers, risk management, employee benefits, human resources consulting, Business without Barriers Client service in over 150 countries. We are Gallagher, a global leader in insurance, risk management and consulting services. Much more than simply an insurance broker, we are an international group of partners that provide cost-effective, client-centric, and expertise-driven risk management solutions. Our leadership team fosters a dynamic, entrepreneurial culture that has made us an ...