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.
By continent
Asia
| Name |
Headquarters |
Consultants |
As of |
| Tata Consultancy Services |
Mumbai, India |
214,770 |
|
| Infosys[1] |
Bangalore, India |
113,796 |
|
| Tavant Technologies |
Bangalore, India |
700 |
|
| Larsen & Toubro Infotech |
Mumbai, India |
24,000 |
|
| MphasiS |
Bangalore, India |
34,000 |
|
| Neusoft Group |
Shenyang, China |
15,000 |
|
| HCL Technologies |
Noida, India |
58,129 |
|
| NTT Data |
Tokyo, Japan |
23,080 |
|
| Oracle Financial Services Software |
Mumbai, India |
10,000 |
|
| Patni Computer Systems |
Mumbai, India |
14,500 |
|
| Mahindra Satyam |
Hyderabad, India |
52,000 |
|
| Tech Mahindra |
Pune, India |
17,000 |
|
| VanceInfo |
Beijing, China |
11,000 |
|
| Genpact |
Gurgaon, India |
49,000 |
|
| Wipro Technologies |
Bangalore, India |
108,071 |
|
Europe
| Name |
Headquarters |
Consultants |
As of |
| Accenture |
Dublin, Ireland |
230,000 |
|
| Altran |
Paris, France |
17,057 |
|
| Atos Origin |
Paris, France |
50,000 |
|
| Capgemini |
Paris, France |
92,000 |
|
| Getronics |
Amsterdam, Netherlands |
28,000 |
|
| Indra |
Madrid, Spain |
28,000 |
|
| KPMG |
Amstelveen, Netherlands |
136,500 |
|
| Logica |
London, UK |
40,000+ |
|
| Siemens IT Solutions and Services |
Munich, Germany |
40,000+ |
|
| Steria |
Paris, France |
19,000 |
|
| Tieto |
Espoo, Finland |
15,000 |
|
North America
| Name |
Headquarters |
Consultants |
As of |
| Affiliated Computer Services |
Dallas, TX |
62,000 |
|
| Booz Allen Hamilton |
McLean, VA |
23,000 |
|
| CGI Group |
Montreal, Canada |
26,500 |
|
| Cognizant Technology Solutions |
Teaneck, NJ |
130,000+ |
|
| Computer Sciences Corporation |
Falls Church, VA |
91,000 |
|
| Deloitte Touche Tohmatsu |
New York, NY |
155,000 |
|
| Electronic Data Systems |
Plano, TX |
136,000 |
|
| Ernst & Young |
New York, NY |
135,000 |
|
| Hitachi Consulting |
Dallas, TX |
5,000 |
|
| HP Enterprise Services |
Palo Alto, CA |
140,000 |
|
| IBM Global Business Services |
Armonk, NY |
190,000 |
|
| Keane Inc |
Boston, MA |
14,500 |
|
| Perot Systems |
Plano, TX |
21,000 |
|
| Science Applications International Corporation |
La Jolla, CA |
44,000 |
|
| TEKsystems |
Hanover, MD |
20,000 |
|
| Titan Corporation |
San Diego, CA |
12,000 |
|
| Unisys |
Blue Bell, PA |
31,000 |
|
Defunct but notable
References