Deloitte's U.S. operations have more than 78,000 professionals
in more than 100 offices who work in four key business areas:
audit, advisory, consulting, and tax. Deloitte's client service
professionals work across more than 20 industry sectors such as
data analytics, cyber security, technology strategy, finance and
accounting, tax, strategic risk, business risk, strategy and
operations, and human capital.
Ranked by Accounting Today as the No. 1 accounting firm
in the U.S. by annual revenue, Deloitte is the U.S. member firm of
Deloitte Touche Tohmatsu Limited, an international network composed
of dozens of member firms that operate in more than 150 countries
and employ more than 244,000 people. Each member firm provides
services according to the rules and regulations of the country in
which it operates. In fiscal 2016, Deloitte Touche Tohmatsu Limited
booked revenues of 36.8 billion.
In 2015, Deloitte LLP named a new CEO: Cathy Engelbert, who
became the first female chief executive of a Big 4 firm. Engelbert
previously served as CEO of Deloitte's audit practice.