Historical Evolution


  • Ernesto Morgado and João Pavão Martins, found SISCOG just four years after concluding their PhDs in Artificial Intelligence at the State University of New York at Buffalo.



  • SISCOG starts developing its first Crew Scheduling prototype for the railways domain - for CP, the Portuguese Railways.



  • SISCOG signs its first contract with an international client, the Dutch Railways (NS).
    This milestone also marks the first software export for a Portuguese company and the first time the Dutch Railways outsources software.





  • SISCOG’s logo is updated. The new design, inspired by the original one, reflects the harmony and integration of SISCOG products and the relationship of the company with its clients. It also represents an open spirit to new ideas, as well as the innovation and flexibility needed for the development of knowledge-based systems.
  • The first CREWS User Group Meeting is held in September in the world heritage town of Sintra.
  • SISCOG is certified in Quality (ISO 9001).


  • SISCOG becomes a "Portugal Certified Brand" in March.
  • SISCOG is recognised as a Computerworld Honor Company, and classified among the top 5 IT companies in the transportation domain.
  • SISCOG is appointed member of COTEC Portugal network (an association of private enterprises sponsored by the Portuguese President) due to its innovative behaviour and value creation for the country.
  • SISCOG celebrates its 20th anniversary.



  • SISCOG becomes a “Sociedade Anónima” (Public Limited Liability Company).
  • The first SISCOG Suite contract is signed with Lisbon Metro. SISCOG Suite is the complete and integrated solution for the creation of timetables and planning and management of fleet and personnel.



  • SISCOG is certified in Research, Development and Innovation (NP EN 4457:2007).
  • SISCOG opens an office in Oporto.



  • SISCOG celebrates its 25th anniversary and publishes a book telling its story.



  • SISCOG launches a 24/7 maintenance service.
  • SISCOG celebrates 20 years of partnership with Dutch Railways (NS). During these years, both companies have developed several R&D projects together, published scientific papers and received international awards.



  • “The Rolling Stocks”, SISCOG’s own music band, is born!


  • SISCOG establishes a commercial cooperation agreement with SYSFER for Brazil and other South/Central America countries.
  • SISCOG is awarded at CASPT – Conference on Advanced Systems in Public Transport, for the joint paper “Security crew scheduling at Netherlands Railways”.
  • SISCOG and Norwegian State Railways (NSB) celebrate the 10th anniversary of the system used continuously by the national railway in planning its operations.
  • SISCOG joins the Portuguese Railway Platform (PFP – Plataforma Ferroviária Portuguesa).
  • VIA Rail Canada entrusts SISCOG with the development of an integrated system for the generation of optimised timetables and fleet plans, marking SISCOG’s successful debut in the North American market.


  • SISCOG celebrates its 30th anniversary.
  • SISCOG is certified in Environmental Management (ISO 14001).



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