List of Information Technology Consulting Companies

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?"
Ranked by
  • ABeam Consulting
    Information 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. After ...more
  • Acette
    Information 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
  • AlignTech Solutions

    AlignTech Solutions

    Search 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.
  • Andromeda Systems Engineering LLC
    Software, Collaborative software, Prepackaged Software
  • Atos
    Information 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, consulting ...more
  • Avanade
    Software, 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 focused on ...more