Lang Davison

McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY.

Deloitte LLP (New York) engages in the provision of audit, consulting, tax, and advisory solutions. It offers services relating to tax, consulting, audit and assurance, Deloitte private company services, mergers and acquisitions, risk and financial advisory, analytics, and cloud. The company was founded by William Welch Deloitte, George A. Touche, Charles Waldo Haskins, and Elijah Watt Sells in 1845 and is headquartered in New York, NY.