Cardlink S.A. is a PCI DSS compliant Service Provider.
According to the mandatory obligation set from the Card Schemes and Payment Card Industry Security Standards Council (PCI), Cardlink’s ecosystem is validated annually by a listed from PCI Qualified Security Assessor (QSA) against current Data Security Standards (PCI DSS).”
Links with the lists with current PCI DSS approvals from MasterCard and Visa follow.
1.  MasterCard
https://www.mastercard.us/en-us/merchants/safety-security/security-recommendations/service-providers-need-to-know.html(Compliant Service Provider List)
2. Visa
https://www.visaeurope.com/receiving-payments/security/downloads-and-resources and select the pdf link “Visa Europe Member Agent Weblisting (month) 2018” (updated every month)