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

This is the ninth time Deloitte has earned this ranking in revenue

Gartner, the world’s leading research and advisory company, ranked Deloitte as the number one worldwide consulting service provider by revenue in 2019:

  • This is the 3rd consecutive year Deloitte has received the No. 1 ranking and the 9th year in total.
  • Deloitte has strengthened its position as the No. 1 provider of consulting services in 2019, increasing its market share to 11.4 percent, up from 11.0 percent in 2018.
  • Deloitte grew with a combination of organic growth, strategic alliances, and growth from multiple acquisitions that closed in 2019.


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