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Solve your KYC challenges with Fourthline

Want to control costs and combat fraud while ensuring bank-grade compliance? Fourthline makes it possible, with modular solutions that withstand the scrutiny of the strictest regulators and offer a frictionless customer experience.

Why choose Fourthline

Solve your KYC challenges with Fourthline

Want to control costs and combat fraud while ensuring bank-grade compliance? Fourthline makes it possible, with modular solutions that withstand the scrutiny of the strictest regulators and offer a frictionless customer experience.

Why choose Fourthline
Protect what matters

Why businesses choose Fourthline

Banks, fintechs, and non-financial businesses come to Fourthline to solve their mission-critical KYC and AML challenges.

Our single API integration is a one-stop shop for standard to bank-grade identity verification, comprehensive remediation, locally compliant flows, AML screening, and more.

Protect what matters

Why businesses choose Fourthline

Banks, fintechs, and non-financial businesses come to Fourthline to solve their mission-critical KYC and AML challenges.

Our single API integration is a one-stop shop for standard to bank-grade identity verification, comprehensive remediation, locally compliant flows, AML screening, and more.

Smart compliance

Reduce costs and complexity while maintaining the highest levels of compliance.

Unmatched fraud prevention

Our advanced AI detects fraud attempts automatically with 98% accuracy.

Scalable growth

Our single onboarding process can be leveraged across Europe and scaled up with hundreds of thousands of extra verifications per month.

Smart compliance

Reduce costs and complexity while maintaining the highest levels of compliance.

Unmatched fraud prevention

Our advanced AI detects fraud attempts automatically with 98% accuracy.

Scalable growth

Our single onboarding process can be leveraged across Europe and scaled up with hundreds of thousands of extra verifications per month.

Fourthline at a glance

Mix and match our modular solutions to meet your specific needs.

Identity verification

Get a comprehensive analysis of identity document authenticity and security features, biometrics, liveness, and more.

Re-KYC and remediation

Remediate existing KYC records quickly, efficiently, and accurately with an automated and customisable solution.

AML screening and monitoring

Check your customers against real-time watchlists, PEP and sanction lists, and country-specific databases – either once or on an ongoing basis.

Anti-financial crime

Tap into the highest possible fraud accuracy through augmented analytics and a team of dedicated anti-financial crime experts.

Qualified electronic signature

Get a secure electronic signature that can be issued standalone or alongside Fourthline’s bank-grade KYC onboarding.

Bank account verification

Unlock remote onboarding in France and Germany with quick, secure, and easy bank account verification.

Fourthline at a glance

Mix and match our modular solutions to meet your specific needs.

Identity verification

Get a comprehensive analysis of identity document authenticity and security features, biometrics, liveness, and more.

Re-KYC and remediation

Remediate existing KYC records quickly, efficiently, and accurately with an automated and customisable solution.

AML screening and monitoring

Check your customers against real-time watchlists, PEP and sanction lists, and country-specific databases – either once or on an ongoing basis.

Anti-financial crime

Tap into the highest possible fraud accuracy through augmented analytics and a team of dedicated anti-financial crime experts.

Qualified electronic signature

Get a secure electronic signature that can be issued standalone or alongside Fourthline’s bank-grade KYC onboarding.

Bank account verification

Unlock remote onboarding in France and Germany with quick, secure, and easy bank account verification.

390% ROI

We deliver outstanding ROI

A Forrester TEI study sets out the cost savings and business benefits of Fourthline and concludes that we deliver up to 390% ROI.

The executives interviewed in the study outlined how Fourthline allowed their organizations to enter new markets faster, and deployed expert guidance to ensure full local regulatory compliance. They also reported Fourthline’s ability to scale up quickly to meet an increase in their demand – even ten times the reported onboarding volume – without missing any service-level agreements.

We deliver outstanding ROI

A Forrester TEI study sets out the cost savings and business benefits of Fourthline and concludes that we deliver up to 390% ROI.

The executives interviewed in the study outlined how Fourthline allowed their organizations to enter new markets faster, and deployed expert guidance to ensure full local regulatory compliance. They also reported Fourthline’s ability to scale up quickly to meet an increase in their demand – even ten times the reported onboarding volume – without missing any service-level agreements.

Denise Johansson | Co-founder & CEO - Enfuce

"We wanted to make our customers' lives easier by ensuring our MyApp has an integrated KYC solution that is best-in-class."

Denise Johansson | Co-founder & CEO - Enfuce

Denise Johansson | Co-founder & CEO - Enfuce

"We wanted to make our customers' lives easier by ensuring our MyApp has an integrated KYC solution that is best-in-class."

Denise Johansson | Co-founder & CEO - Enfuce

Compliance you can count on

Like many of our business partners, we operate in highly regulated environments and understand the importance of high security standards.

GDPR

Fourthline is headquartered and built in Europe, so our solutions are fully GDPR compliant.

ISAE 27001

Our best practices are in accordance with the ISO 27001 standard for managing information security, including business continuity and disaster recovery.

ISAE 3000

The objectives and controls for Fourthline’s digital KYC and AML solutions are externally audited according to ISAE 3000 attestation.

Compliance you can count on

Like many of our business partners, we operate in highly regulated environments and understand the importance of high security standards.

GDPR

Fourthline is headquartered and built in Europe, so our solutions are fully GDPR compliant.

ISAE 27001

Our best practices are in accordance with the ISO 27001 standard for managing information security, including business continuity and disaster recovery.

ISAE 3000

The objectives and controls for Fourthline’s digital KYC and AML solutions are externally audited according to ISAE 3000 attestation.

Want to learn more?

Our experts are ready to discuss your identity verification needs, answer your questions, and set up a demo so you can see our customizable solutions in action. 

Want to learn more?

Our experts are ready to discuss your identity verification needs, answer your questions, and set up a demo so you can see our customizable solutions in action. 

Fourthline has been certified by EY CertifyPoint to ISO/IEC27001:2022 with certification number 2021-039.

Copyright © 2026 - Fourthline B.V. - All rights reserved.

Fourthline has been certified by EY CertifyPoint to ISO/IEC27001:2022 with certification number 2021-039.

Copyright © 2026 - Fourthline B.V. - All rights reserved.