AJG vs GSK Comparison

Arthur J. Gallagher & Co provides insurance brokerage and consulting services to middle-market entities around the world. The majority of the company's revenue comes from its brokerage segment, where it negotiates and places its customers with insurance companies that provide, among other types, property/casualty and health insurance. The company's primary source of revenue in the brokerage segment is commissioning from the insurance companies. The company also generates significant revenue in its corporate segment, which includes clean energy investment and other investment income. The company generates most of its revenue in the United States, with the remaining revenue coming primarily from Australia, Bermuda, Canada, the Caribbean, New Zealand, and the United Kingdom.

In the pharmaceutical industry, GSK ranks as one of the largest firms by total sales. The company wields its might across several therapeutic classes, including respiratory, antiviral, and vaccines, and has been growing its presence in oncology and immunology, as well. GSK uses joint ventures to gain additional scale in certain markets like HIV.