Gartner Research

Market Share Analysis: IT Outsourcing Services, Worldwide, 2015

Published: 10 May 2016

ID: G00302015

Analyst(s): Dean Blackmore , Allie Young, Sid Nag , Helen Huntley


ITO services declined 3.2% globally (but grew 6.0% in constant currency) to $274.2 billion in 2015. Growth among the top 10 providers varied, from negative 20.2% to positive 75.9% in constant currency. This report analyzes the top ITO service providers' performance for 2015.

Table Of Contents

Market Share Data

Overall Market Segment Performance Analysis

Top Vendors Analyzed

  • IBM
  • HP/HPE
  • Accenture
  • Fujitsu
  • Tata Consultancy Services
  • Amazon
  • Atos
  • CSC
  • Cognizant
  • NTT Data
  • Regional Rankings of ITO Market Share Leaders, 2015

Mergers and Acquisitions

Gartner Recommended Reading

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