Gartner Research

Market Share Analysis: Consulting Services, Worldwide, 2018

Published: 23 April 2019

ID: G00383100

Analyst(s): Patrick Sullivan, Dean Blackmore, Brendan Williams, Chrissy Healey


The global consulting market grew 9.0% in constant currency in 2018, reaching $188 billion. Digital business acquisitions are a primary driver of growth among the largest providers. Robust growth among IT-focused providers indicates rising demand for technology consulting.

Table Of Contents
  • Key Market Findings
  • Vendor Performance Highlights

Market Share Data

Overall Market Segment Performance Analysis

  • Inorganic Growth via Digital Acquisitions Drives Superior Market Performance
  • Talent + Tools Fuel Asset-Based Consulting Growth
  • Technology Consulting as an Enabler of Further Consulting Growth

Top Vendors Analyzed

  • Deloitte
  • PwC
  • EY
  • KPMG
  • Accenture
  • McKinsey & Co.
  • BCG
  • IBM
  • Bain & Co.
  • Booz Allen Hamilton

Other Notable Vendors

Mergers and Acquisitions

Gartner Recommended Reading

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