IBM United Kingdom is a subsidiary of US-based International Business Machines. IBM's global computer service organization is the world's largest, providing consulting, systems integration, application development, infrastructure management, and technical support. The company's IT products include mainframes and server computers; data storage systems; microprocessors, memory chips, and other microelectronics; and a broad software portfolio with enterprise applications ranging from database management tools to operating systems. IBM's UK clients have included the UK government and The University of Edinburgh. The subsidiary was founded in 1951 and operates from about 20 offices and facilities.