Arnaud Sirtaine

Managing partner


Arnaud Sirtaine, partner of FinFlag, has nearly 20 years of experience in the field of electronic payments systems. This has allowed him to develop a complete vision of the entire value chain of the electronic payment ecosystem.

  • He used to provide the following services
  • Strategic analysis
  • Project and process management
  • Business and functional analysis
  • Testing and certification management
  • Trainings


Through various projects, he gained relevant expertise in:

  • Authorization – Clearing – Settlement
  • SEPA – SCT / SDD / Sepa for cards / PSD2
  • EMV
  • Issuing / Acquiring
  • Terminals and cards
  • Merchants, terminals and cards management
  • Prepaid / Loyalty / e-ID
  • Contactless / Mobile

C-TAP for the Benelux

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Contact Arnaud Sirtaine

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Rue Colonel Bourgstraat 127-129