McKinsey & Company is an American worldwide management consulting firm with 27,000 employees. It conducts qualitative and quantitative analysis to evaluate management decisions across public and private sectors.
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