Established in 1981, Edelman is one of the world's largest public relations firms. It has more than 3,000 employees in over 50 offices worldwide. The firm has expertise in the areas of health care, public affairs, technology and crisis management. Edelman offers editorial, blogging and experiential marketing services. It provides a variety of financial solutions to various clients, such as Citibank, Charles Schwab & Company, Chicago Mercantile Exchange and Swiss Reinsurance Company. The company provides broadcast, print and production services. In addition, Edelman offers customized design and executing services for communication strategies. It maintains offices in North America, Asia and Latin America.