McKinsey & Company is an American worldwide management consulting firm. It conducts qualitative and quantitative analysis to evaluate management decisions across public and private sectors.
Widely considered the most prestigious management consultancy, McKinsey’s clientele includes 80% of the world’s largest corporations, and an extensive list of governments and non-profit organisations.
More current and former Fortune 500 C.E.O.s are alumni of McKinsey than of any other company, a list including Google C.E.O. Sundar Pichai, Morgan Stanley C.E.O. James P. Gorman, and many more. McKinsey publishes the McKinsey Quarterly since 1964, funds the McKinsey Global Institute research organization, publishes reports on management topics, and has authored many influential books on management.
Its practices of confidentiality, influence on business practices, and corporate culture have experienced a polarizing reception.
Source : Wikipedia