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Deloitte ranked No. 1 consulting service provider worldwide by revenue according to Gartner

News Release

NEW YORK, NY, USA, 22 May 2020—Deloitte has been ranked No. 1 by revenue according to Gartner, the world’s leading information technology and advisory company, in its May 2020 report titled, Gartner Market Share Analysis: Consulting Services, Worldwide, 2019. This is the third consecutive year Deloitte has received the #1 ranking and the ninth year in total.

“To us, this reflects Deloitte’s commitment to help clients adapt with speed and agility to achieve their boldest ambitions. We’re addressing their signature issues by bringing solutions, enabled by technology and data assets, that help them successfully execute the shifts they need to succeed and grow” says Sam Balaji, Deloitte Global Consulting leader. “In the COVID-19 environment, clients need technology solutions to adapt quickly, pivot business models, reimagine work and serve their customers in a differentiated way. Teaming with our strategic alliance relationships, we will continue innovating to help clients evolve and thrive.”

According to the report, “the consulting services market grew to $199.1 billion in 2019, at an annual growth rate of 6.9% in U.S. dollars (9.6% in constant currency), with digital business a top priority on the executive agenda. To maintain growth, demonstrate continued necessity for these project-based digital services.”

About Deloitte

Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities (collectively, the “Deloitte organization”). DTTL (also referred to as “Deloitte Global”) and each of its member firms and related entities are legally separate and independent entities, which cannot obligate or bind each other in respect of third parties. DTTL and each DTTL member firm and related entity is liable only for its own acts and omissions, and not those of each other. DTTL does not provide services to clients. Please see to learn more.

Deloitte is a leading global provider of audit and assurance, consulting, financial advisory, risk advisory, tax and related services. Our global network of member firms and related entities in more than 150 countries and territories (collectively, the “Deloitte organization”) serves four out of five Fortune Global 500® companies. Learn how Deloitte’s more than 312,000 people make an impact that matters at


Vicktery Zimmerman
Global Communications
Deloitte Global
Tel: +1 312 486 1569
Email :

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