McKinsey & Company (informally McKinsey or McK) is an American multinational strategy and management consulting firm that offers professional services to corporations, governments, and other organizations. Founded in 1926 by James O. McKinsey, McKinsey is the oldest and largest of the "MBB" management consultancies (MBB). The firm mainly focuses on the finances and operations of their clients. Under the direction of Marvin Bower, McKinsey expanded into Europe during the 1940s and 1950s.
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