Last Update August 31, 2016


  • Infrastructure, Construction & Civil Engineering
  • IT, Computing and Software
  • Services (R&D, training, engineering, consultancy, …)

Uni Systems, is gaining the trust of its Customers for over 50 years, having being the first Greek ICT company founded in Greece, in 1964. Today, as a member of Quest Group, beholds a leading position in the domestic market and is evolving into one of the most reliable integrated solutions provider in Central and Southeast Europe.

With more than 480 specialized ICT professionals and established subsidiaries in the heart of the European Union, in Brussels, aiming at European and International organizations and institutions, in Romania and Turkey. Uni Systems, with long established and strong industrial vertical expertise supported by horizontal solutions, boasts a substantial and successful track record in the delivery of large-scale, mission-critical, innovative and reliable solutions in the sectors of Banking & Finance, Enterprise & Utilities, Public and Telecommunications.

With significant experience, unique know-how, proven capability in designing, implementing and supporting successfully ICT projects, covers a wide range of Technology Solutions and Business Areas. Armed with real commercial implementations of best practices (i.e. ITIL, RUP, PRINCE2, PMI, etc.), the Company is positioning itself to be a “focused” provider to the European & International Organizations. Uni Systems is an ISO 9001:2008 and ISO 27001:2005 certified company and holds Security Clearance certification at level NATO Secret - EU Secret for its facilities.


Systems Integration, Banking Sector Solutions, SOA, Telecom Operators Solutions, Information Management, Public Sector expertise, Consulting (Security Enterprise Arch Frameworks ITSM), Flexible Cloud Offerings, S/W Quality, Data Center Services.

Uni Systems S.A. - Pictures

Uni Systems S.A.

  • 19-23, Alexandrou Pantou str. Kallithea, 17671, Athens, Greece
  • +30 211 999 7000
  • +30 211 999 7100
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