McKinsey & Company

McKinsey & Company is a private American worldwide management consulting firm headquartered in New York City. It conducts qualitative and quantitative analysis in order to evaluate management decisions. Eighty percent of the world's largest corporations are counseled by the firm, which is considered the most prestigious management consultancy. McKinsey publishes the McKinsey Quarterly, 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.