Compliance in excellent form
Meet KYC & AML requirements in Europe & beyond. Continually power an optimal client experience.

One API, all your needs
We don’t stop at onboarding. Choose your solutions to identify, verify, screen, or re-engage, & rest assured your client interactions are seamless & built on trust.
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This is what we can accomplish together
Improve your business efficiency
Get more from compliance. Leverage our AI-driven technology to improve your teams’ productivity, time to market, & ultimately, your return on investment.
Maximize conversion & fraud detection
Choose excellence in fraud prevention without compromising on conversion. Score up to 40% higher conversion with solutions tested on millions of clients.
Strengthen your resilience & flexibility
Change is constant. Our proprietary solutions integrate seamlessly with your technology & evolve with your risk appetite & business goals.
Partner up with trusted experts
As part of a cross-border & cross-partner network, our specialists work hand in hand with your experts at the frontline of fraud prevention.
Stay ahead of the curve
Our experts on financial crime get ongoing training to identify new fraud patterns & continually share their knowledge with your specialists.
Rely on us
Our Customer Due Diligence reporting & audit trail meet the requirements of regulators across Europe & beyond.


“Fourthline accelerated our international growth by verifying identities for partners across Europe.”
Delia König | Chief Product Officer - Solaris
A solution suite built for the best in finance & fintech
Choose the solutions that meet your goals & regulatory obligations.
Identity Verification
Onboard clients with a hyper-accurate verification that's built for conversion, with basic ID&V in seconds & bank-grade KYC in under a minute.
Identity VerificationAccount Authentication
Ensure that account creators & account users are one & the same by monitoring device data & connecting clients to their device in real-time, with results in <30 seconds.
Account AuthenticationAML Screening & Monitoring
Check your clients—once or daily—against real-time watchlists, PEP & sanction lists, country-specific databases, & Fourthline’s proprietary fraud database.
AML Screening & MonitoringRe-KYC & Remediation
Automatically review, update & enhance client data to accurately assess risk & consistently meet regulatory standards.
Re-KYC & RemediationQualified Electronic Signature
A secure electronic signature that can be issued standalone or alongside Fourthline’s bank-grade KYC onboarding.
Qualified electronic signatureBank Account Verification
Unlock remote onboarding in France & Germany with a quick, secure & easy Bank Account Verification.
Bank Account VerificationProof of Address
Confirm your client's address in seconds, with highly accurate device & geolocation intelligence that eliminates the need for traditional PoA documents.
Proof of AddressInvestigations & Reporting
Increase operational efficiency by letting Fourthline take care of manual & resource-intensive investigations & CDD reporting. Act on conclusive reporting with no grey areas.
Investigations & ReportingAnti-Financial Crime
Tap into the highest possible fraud accuracy through augmented analytics & a team of dedicated anti-financial crime experts.
Anti-Financial CrimeMake compliance a competitive advantage
Fourthline detects fraud at a higher accuracy rate than other providers, so you can be confident that you are onboarding trustworthy clients.
Our streamlined solutions minimize drop-off & eliminate false positives so your clients can sail through the onboarding & beyond.
Our solutions can reduce your total cost of compliance by up to 50% with automation & replacement of manual processes.
Want to learn more?
Discover how we can help you increase business efficiency, and boost conversions.
Get in touch with our experts