Compliance from day zero and beyond

The world's most trusted regulated enterprises rely on Fourthline to solve their KYC and digital identity needs with advanced AI technology and proven compliance expertise.

Fourthline at a glance

100% compliance

Licensed as a payment institution by the Dutch Central Bank. Fully compliant with GDPR and all local AML directives.

Millions of KYC checks

Fourthline’s AI-driven platform authenticates millions of identities for top banks and fintechs at an industry-leading 99.98% accuracy rate.

47 nationalities

An international team of 200+ Fourthliners works across our Amsterdam headquarters and Barcelona office to build and deliver world-class digital identity solutions.

Our story

For regulated enterprises with digital identity challenges, Fourthline offers a bank-grade identity stack and unmatched expert guidance. Our mission is to fight financial crime. We protect the global financial system by building innovative solutions that leverage artificial intelligence and enables our clients to be compliant with ease. We share a love for building customer-centric products with a positive impact on the world.


Join our team

At Fourthline, we take pride in safeguarding the global financial system with the most advanced and thorough fraud prevention technologies available. We're growing rapidly and we need your passion and expertise. Join us today in the fight against financial crime!

Explore careers at Fourthline

Fourthline Leadership

Krik - full colour - favorite

Krik Gunning


Krik started his career as an M&A banker at ABN Amro, then co-founded advisory boutique IvyRoads before joining Safened as chief commercial officer in 2015. In 2017, Krik co-founded Fourthline and now serves as CEO.


Ralph Post


Ralph joined Fourthline's founding team in 2017 after working as a technical director in the maritime industry. Prior to that, he was an IT strategy consultant for Accenture with a focus on financial services, high tech, and utilities.

Remco Vlemmix, COO

Remco Vlemmix


Before joining Fourthline, Remco Vlemmix managed complex digital and operations transformation initiatives in his role as partner at McKinsey & Company, serving dozens of financial institutions around the world during his tenure.

Duco van Lanschot, CFO

Duco Van Lanschot


Duco joined Fourthline after building Stripe’s European presence as its first Benelux employee, overseeing 6 countries. Before Stripe, he worked as a consultant at McKinsey and as head of international expansion at Blendle.

You're in good company

Regulated enterprises around the world trust Fourthline to authenticate customer identities and drive business growth.

Committed to helping build a safer, more accessible global financial system

We believe in a world where businesses across banking, fintech, insurance, and beyond use modern technology to authenticate honest customers quickly, remotely, and securely.

Fourthline solves complex digital identity challenges with advanced AI technology and expert regulatory guidance that enables enterprises to be compliant with ease.

We help clients across the globe sidestep the inefficiencies of in-house customer authentication processes with tailor-made solutions that deliver unparalleled fraud detection and conversion rates.

Fourthline is on a mission to revolutionize digital identity management, and we're just getting started.

Recent Awards & Honors

Want to learn more?

Get in touch with our fraud and compliance experts today

SAFENED Fourthline B.V. is a company registered in The Netherlands and is authorised and regulated by DNB.