McKinsey & Company is a privately owned management consulting firm. Roundly considered the most prestigious company of its kind, it has achieved a near-universal level of renown, despite a decades-long commitment to confidentiality that...

The name may sound local, but Boston Consulting Group's reach-and expertise-is anything but. With almost 19,000 employees in over 90 offices in 50 countries, the firm ranks as one of America's Largest Private Companies, according to Forbes...

Accenture is a success story by any measure. The company's history has been more than 60 years in the making—from the earliest days as a pioneer in the new world of information technology in the 1950s to its position today as a Fortune Global...

Founded in 1973, Bain is one of the world's most prestigious consulting firms. The firm's 10,500+ employees help the world's top business leaders make big decisions that will direct their organizations' futures, and then help them realize those...

Yes, IBM stands for International Business Machines, but these days Big Blue goes well beyond computer manufacturing. IBM Global Services, which provides business and IT consulting, has become an increasingly important factor in its parent's...

As a consultancy, A.T. Kearney has a rich heritage that dates back to the 1920s, with the founding of McKinsey & Company and the arrival of consulting as a profession. James Oscar McKinsey set up his original firm in Chicago in 1926, and one...

Tata Consultancy Services (TCS) is a leading provider of IT services, business solutions and outsourcing.  Through its global network delivery model, the mammoth corporation offers its e-business, application development and maintenance,...

Created in 2004, Infosys Consulting is an off-shoot of Indian tech outsourcing and business consulting giant Infosys Technologies. Based on the premise of consistently finding ways to increase value for its clients (rather than, say, focusing on...

NTT DATA is a global innovation partner headquartered in Tokyo, with business operations in more than 50 countries and regions. The firm emphasizes long-term commitment and combines global reach and local intimacy to provide premier professional...