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American Management Systems

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American Management Systems (AMS) was an American management and information-technology consulting firm later acquired by CGI Group.

Last updated August 31, 2026

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Overview

American Management Systems (AMS) was an American management and information technology consulting firm founded in 1970, primarily providing management consulting, systems integration, information technology implementation, and related professional services to government agencies and enterprises. Headquartered in Fairfax, Virginia, its business covered clients in the U.S. government, communications, finance, energy, and other industries. Through internal growth and acquisitions, AMS expanded its service scope and became one of the larger management and technology consulting firms in the U.S. by the end of the 20th century. In 2004, CGI Group announced the acquisition of AMS, integrating its business and personnel into CGI's consulting and technology services system. As the brand no longer operates as an independent company, its current status should be considered terminated. Due to the lack of sufficient reliable and verifiable sources regarding its founders, specific business revenue, client lists, and brand evolution, no further expansion is provided.

History

American Management Systems was established in 1970 as a management and information-technology consulting firm headquartered in Fairfax, Virginia. Its work included management consulting, systems development and integration, government information systems, and technology services for telecommunications, financial services, and other industries. The company expanded its government and commercial client base over time and broadened its capabilities through growth and acquisitions. In 2004, CGI Group completed its acquisition of AMS, bringing its operations into CGI and ending AMS’s operation as an independent company and brand. Available material is insufficient to reliably reconstruct all founders, executive succession, acquisition details, and financial results, so this history is limited to the basic facts that can be stated with confidence.

  • 2004

    Acquired by CGI Group

    CGI Group acquired American Management Systems, after which AMS ceased to operate as an independent company.

  • 1970

    Company Founded

    American Management Systems was founded, starting its management consulting and information technology services business.

Products and positioning

Management consulting and information technology services provider for government agencies and large enterprise clients

  • professional services

    Management consulting

    Consulting services for government agencies and businesses covering organizational management, business processes, and operational improvement.

  • professional services

    Information technology consulting

    Advisory services covering information-systems planning, technology implementation, and digital operations for commercial and public-sector clients.

  • professional services

    Systems integration

    Design, development, and integration of information systems, particularly for government agencies and large organizations with complex technology environments.

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