List Of IT Consulting Firms

The following is a list of the largest information technology consulting firms in the world, along with their corporate headquarters location and the total number of consultants they have. Many of these serve primarily as third-party consultants. Many enterprise software companies, such as SAP and Oracle, employ their own consultants for services related to their own products. Among the corporations listed below, the number of consultants listed is less than their total number of employees. Note: Not all employees of these firms are consultants and firms with less than 10,000 employees are not included.

By continent


Name Headquarters Total company employees As of
Hexaware Navi Mumbai, India 10,000 June 2015
Genpact Gurgaon, India 68,000 January 2015
HCL Technologies Noida, India 107,968 June 2016
Infosys Bangalore, India 197,050 June 2016[1]
Larsen & Toubro Infotech Mumbai, India 21,023 March 2017
Tech Mahindra Pune, India 84,000
Mphasis Bangalore, India 34,000
Mindtree Bangalore, India 16,623 March 2016 [2]
Neusoft Group Shenyang, China 15,000
NTT Data Tokyo, Japan 100,000
Oracle Financial Services Software Mumbai, India 10,000
Tata Consultancy Services Mumbai, India 319,000 May 2015 [3]
Pactera Beijing, China 23,954
Wipro Technologies Bangalore, India 160,000+ 2016[4]
WNS Global Services Mumbai, India 25,000


Name Headquarters Total company employees As of
Accenture Dublin, Ireland 384,000 August 2016 [5]
Altran Paris, France 24,000 January 2015 [6]
Atos Paris, France 76,400 May 2013 [7]
Capgemini Paris, France 195,800 March 2017 [8]
EVRY Oslo, Norway 10,000
Indra Madrid, Spain 28,000
KPMG Amstelveen, Netherlands 152,000 September 2013 [9]
PWC London, England 184,000
T-Systems Frankfurt, Germany 48,200
Tieto Espoo, Finland 15,000
Sogeti Paris, France 20,000
Sopra Steria Paris, France 37,000

North America

Name Headquarters Total company employees As of
Xerox acquired ACS Dallas, TX 62,000
Avanade Seattle, WA 29,000 2016[10]
Booz Allen Hamilton McLean, VA 23,000
CGI Group Montreal, Canada 69,000 September 2013 [11]
Cognizant Technology Solutions Teaneck, NJ 211,500
DXC Technology Tysons, VA 170,000
Deloitte Touche Tohmatsu New York, NY 203,000
EPAM Systems Newtown, PA 22,383
Ernst & Young New York, NY 175,000
HP Enterprise Services Palo Alto, CA 176,000
IBM Global Business Services Armonk, NY 190,000
Syntel Troy, Michigan 24,333 September 2014 [12]
Dell acquired Perot, Science Applications International Corporation McLean, VA 44,000 [13]
Unisys Blue Bell, PA 31,000

Defunct but notable


External links

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