Deloitte vs IBM

Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is the largest professional services network in the world by revenue and by the number of professionals. Deloitte provides audit, tax, consulting, enterprise risk and financial advisory services with more than 200,000 professionals in over 150 countries. Deloitte is one of the "Big Four" professional services firms along with PwC, EY, and KPMG. Its global headquarters are located in the United States.

International Business Machines Corporation is an American multinational technology and consulting corporation, with headquarters in Armonk, New York. IBM manufactures and markets computer hardware, middleware and software, and offers infrastructure, hosting and consulting services in areas ranging from mainframe computers to nanotechnology. The company originated in 1911 as the Computing-Tabulating-Recording Company through a merger of the Tabulating Machine Company, the International Time Recording Company, and the Computing Scale Company.