McKinsey & Company

global management consulting firm

McKinsey & Company is a worldwide management consulting firm. It was started in 1926 by University of Chicago professor James O. McKinsey. It sells professional services to corporations, governments, and other organizations. McKinsey is the oldest and largest of the "Big Three" management consultancies.[1]


  1. Walter Kiechel (December 30, 2013). The Lords of Strategy: The Secret Intellectual History of the New Corporate World. Harvard Business Press. p. 347. ISBN 978-1-4221-5731-2. OCLC 259247279. Archived from the original on August 5, 2020. Retrieved June 16, 2020.