Deloitte is a global leader in professional services, offering a comprehensive range of audit, consulting, tax, and advisory services. Established in 1845 by William Welch Deloitte, the firm has evolved into one of the "Big Four" accounting and consulting organizations, with a significant presence in over 150 countries.

Headquartered in New York City, Deloitte operates through a network of member firms, each independently managed yet aligned with the global standards and practices of the organization. The firm is renowned for its ability to help clients tackle complex business challenges, drive growth, and achieve operational excellence.