List of the top information technology consulting companies in the world, listed by their prominence with corporate logos when available. This list of major information technology consulting companies includes the largest and most profitable information technology consulting businesses, corporations, agencies, vendors and firms in the world. If you are wondering what the biggest information technology consulting companies are, then this list has you covered. This list includes the most famous information technology consulting companies in the industry, so if you're thinking of working in the information technology consulting industry you might want to look to these companies for jobs. This list includes names of both small and big information technology consulting businesses.
List is made up of a variety of companies, including Fujitsu and Booz Allen Hamilton.
This list answers the questions, "What are the biggest information technology consulting companies in the world?" and "What are the most successful information technology consulting companies?"
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ABeam ConsultingInformation technology consulting ABeam Consulting an IT consulting services firm based in Japan. This company's previous name is Deloitte Tohmatsu Consulting, which is a member of Deloitte Touche Tohmatsu: Japan branch office. ...more
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AcetteInformation technology, Information technology consulting Acette is an Information Technology System Integrator, Software Engineering and Consulting firm headquartered in Dubai Internet City. Acette provides technology strategy consulting services, ...more
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AlignTech SolutionsSearch Engine Marketing, Information technology, Search Engine Optimization A digital services agency providing marketing tools, business tools and critical thinking services for progressive small and midcap companies worldwide.
AtosInformation technology, IT service management, Information technology consulting Atos is an international information technology services company with annual revenues of EUR 6.8 billion and has 78,500 employees in 42 countries. It sells hi-tech transactional services, ...more
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AvanadeSoftware, Information technology consulting Avanade Inc. was founded in 2000 as a joint venture between Accenture and Microsoft to serve an untapped market for Microsoft-focused consulting services. The company provides IT services ...more
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AvevaSoftware, Information technology, Information technology consulting AVEVA Group plc is a British multinational information technology company headquartered in Cambridge, United Kingdom. It provides engineering design, information management solutions, and ...more
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BelitsoftWeb development, Information technology consulting, Software development
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Booz Allen HamiltonManagement Consulting Services, Information technology consulting Booz Allen Hamilton Inc. is an American management consulting firm headquartered in Tysons Corner, Fairfax County, Virginia in Greater Washington DC, with 80 other offices throughout the United ...more
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Bouvet ASAInformation technology consulting Bouvet ASA is a Norwegian provider of consultancy and development services within information technology.
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CGI GroupInformation technology, IT service management, Information technology consulting CGI Group Inc. is a Canadian multinational information technology consulting, systems integration, outsourcing, and solutions company headquartered in Montreal, Quebec. It was founded in 1976 by ...more
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ChemtechInformation technology, Electrical engineering, Civil Engineering Chemtech provides engineering and IT consulting services, combining a deep process knowledge with the expertise on highly modern technological solutions always coming up with the best solution ...more
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ComputacenterComputer, Information technology, IT service management Computacenter plc is the parent company of a group of European companies that provide computer services to public- and private-sector customers. It is a UK company based in Hatfield, ...more
Exfront TechnologiesWeb development, Technology, Information technology consulting Exfront provides a wide range of technologies, software, solutions, and services nationwide. The Company's operations are structured into two product segments - internet services and technology ...more
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Flatirons SolutionsAnalytics, Content management, System integration Flatirons Solutions works with commercial and government clients to provide consulting, systems integration, engineering, and program management services. We are recognized industry leaders in ...more
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Flowing MediaData visualization, Information visualization, Information technology consulting
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Foo Kon Tan Grant ThorntonInformation technology consulting Foo Kon Tan Grant Thornton is the Singapore member firm of Grant Thornton International, one of the largest accounting and consulting organizations outside the Big Four auditors. The Singapore ...more
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FujitsuSoftware, Computer hardware, Telecommunications equipment Fujitsu Ltd. is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan. It is the world's third-largest IT services provider measured by ...more
Groupe BullSoftware, Computer hardware, Information technology consulting Bull designs and develops servers and software for an open environment, integrating the most advanced technologies, and proposes a wide range of services, from system integration consulting to ...more
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HashrocketWeb development, Information technology consulting
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Hitachi Data SystemsSoftware, Computer hardware, Computer data storage Hitachi Data Systems is a company that provides modular mid-range and high-end storage systems, software and services. It is a wholly owned subsidiary of Hitachi Ltd. and part of the Hitachi ...more
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IBM Global ServicesManagement Consulting Services, IT service management, Information technology consulting IBM Global Services, a division of IBM, is the world's largest business and technology services provider. It employs over 190,000 people across more than 160 countries. IBM Global Services ...more
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Imola InformaticaSemantic Web, Information technology consulting We are an italian company with over 20 years of expertise in enterprise IT consulting and skill transfer. Imola provides highly qualified enterprise strategists, architects and experts. We have ...more
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InfocosSoftware, Telecommunications, Information technology consulting TIRS Infocos Informática is a Brazilian company specialized in providing services and products related to computer networks. Makers of the Kronos Linux-based server platform.
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IntelliquipSoftware, Information technology consulting Intelliquip, LLC develops browser-based software also known as the Intelligent Front-End. The basic function of the company's software is to automate the front-end sales process for complex ...more
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ItransitionWeb development, Information technology consulting, Software development
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KeaneManagement Consulting Services, Business process outsourcing, Information technology consulting Keane Inc is a Boston-based Information Technology services unit of NTT Data Corporation, itself a subsidiary of the Japanese national phone company, NTT Group. It offers Application Services, ...more
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KEMATesting Laboratories, Environmental consulting, Information technology consulting KEMA NV, established in 1927, was a global energy consultancy company headquartered in Arnhem, Netherlands. It offered management consulting, technology consulting & services to the energy ...more
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LinproSoftware, Computer, Information technology consulting
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Mahindra SatyamSoftware, Information technology, IT service management Mahindra Satyam was an Indian IT services company based in Hyderabad, India. The company was listed on the Pink Sheets, the National Stock Exchange and Bombay Stock Exchange. It offered a range ...more
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MAYA DesignInnovation Consultancy, Information technology consulting MAYA Design Inc. is a technology design firm and innovation lab founded in Pittsburgh, Pennsylvania, United States in 1989. MAYA helps companies design more usable and useful technology ...more
nextevolution AGManagement Consulting Services, System integration, Information technology consulting
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Nomura Research InstituteConsultant, Information technology consulting Nomura Research Institute, Ltd. was established in 1965, now employs about 4700 people, and is Japan's largest consulting and IT consulting firm. It owns ten subsidiaries in Japan and multiple ...more
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PC SupportersWeb development, Information technology consulting PC Supporters is a US-based technology company that offers an array of website, domain, IT consulting, cloud, computer, and managed services. It was founded in 2012 by Nick Volpe, the current ...more
RambollGreen energy, Infrastructure, Telecommunications Ramboll Group A/S is a consulting engineering group with worldwide operations.
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Rand GroupInformation technology consulting Rand Group, is an IT consulting and software company that implements business software solutions utilizing Microsoft products. Founded in 2003, Rand Group was recognized in 2012 as the 16th ...more
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RatiodataSoftware development, Information technology consulting
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RejlersInformation technology consulting Rejlers is a Nordic group offering technical consultancy services in the fields of electrical engineering, energy, mechanical engineering, automation, electronics, IT and telecommunications. ...more
SCCComputer, Information technology, Information technology consulting Specialist Computer Centres is an information technology services firm, mainly catering for medium-sized enterprises and public sector organisations. Headquartered in Tyseley, Birmingham, UK, it ...more
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SiriusInformation technology, Information technology consulting Sirius is an European based Enterprise Open Source systems integrator. Sirius offers commercial support, consulting and managed services for Free and Open Source technologies. Additionally, the ...more
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SIV.AGSoftware, Computer programming, Information technology consulting SIV.AG is a German software company, producing software for the international energy and water distribution market. It has around 290 private and public utility enterprises as customers in
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Stantive Technologies Group Inc.Computer hardware, Information technology, Information technology consulting Stantive Technologies Group Inc. is a Sun Microsystems of Canada IMO that provides complete buisness solutions.
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T-SystemsTelecommunications, IT service management, Information technology consulting T-Systems is a German global IT services and consulting company headquartered in Frankfurt. Founded in October 2000, it is a subsidiary of Deutsche Telekom. As of 2012, T-Systems is the largest ...more
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Tata Consultancy ServicesSoftware, Management Consulting Services, IT service management Tata Consultancy Services Limited is an Indian multinational information technology service, consulting and business solutions company headquartered in Mumbai, Maharashtra. TCS operates in 46 ...more
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ThoughtWorksSoftware, Management Consulting Services, Information technology consulting ThoughtWorks is a privately owned global software development and products company. The company is closely associated with the movement for agile software development, and has contributed to a ...more
