MAINSYS Group is structured in different entities.

Editing and installation of own banking software (FRONTeO, COCPIT and F2B), as well as the development of tailor-made solutions, is operated by MAINSYS Financial Software which is based in Louvain-la-Neuve.

The integration services and consultancy activities are covered by 3 subsidiaries: MAINSYS Belgium, MAINSYS France and MAINSYS Luxembourg.

MAINSYS Group delivers support activities (IT & Facilities, HR, Finance, Security & Compliance, Architecture & Innovation) to the different entities. M6BC in Portugal provides nearshoring capabilities.

In terms of governance, MAINSYS Group has opted for a model with a Board of Directors who delegates its management powers to an Executive Committee, with the exception of acts that are legally and statutory reserved for the Board of Directors. The Board of Directors of the group is composed of 9 members. As recommended by the rules of good governance, the Chairman of the Board, Jacques Favillier, is an independent member.
Each entity is managed by its own Management Committee. Under the responsibility of its own Management Committee, each entity is organizing the management of its activities in specific Executive Committees.



At Group level, the Management Committee is made up of:

  • Pierre Lemaire (CEO)
  • Jean-Marie Thibaut (CFO)
  • Bernard Clerbois (COO)
  • Serge Fonteyn (CHRO)
  • Jean-Valéry Duvieusart (CEO MAINSYS Belgium & MAINSYS Luxembourg)
  • Alexandre Degrijse (CEO MAINSYS Financial Software & M6BC Portugal)

The subsidiaries of the MAINSYS GROUP

MAINSYS Belgium & Luxembourg

Executive Committee
Jean-Valéry Duvieusart (CEO)
Stéphane Léchaudé (Managing Director)
Joel Bernaert (Managing Director)
Thomas Vigin (Director)

MAINSYS Financial Software & M6BC PORTUGAL

Executive Committee
Alexandre Degrijse (CEO)
Gauthier Storm (CCO)
Cédric Foucart (Managing Director)
Jérôme Collin (Managing Director)
Nicolas Joarlette (Director)
Xavier Rondou (Director) 


Executive Committee
Claude Leguay (CEO)
Miguel Poirier (Managing Director)
Nacer El Harouchi (Managing Director)
Jean-Baptiste Pasternak (Director)
Christelle Daudé (Principal)