Overview
Fourthline is an Amsterdam-based digital KYC and AML provider focused on regulated financial institutions in Europe. Its modular platform covers identity verification, document and biometric checks, qualified electronic signing, AML screening and monitoring, account authentication, and re-KYC. It operates as a regulated payment institution under the Dutch Central Bank, and counts banks, brokers, and fintechs such as N26, Trade Republic, and flatexDEGIRO among its customers.
Primary category: KYC Providers. Use the sections below to check fit by capability, use case, coverage, deployment, and supporting evidence.
Capabilities
Best-fit use cases
Coverage
- Region tags
- Europe · Global
- Coverage caveat
- Country, document, language, and product coverage should be verified directly with the vendor.
Integrations and developer experience
- Deployment
- API · SDK · Hosted flow · Dashboard
- API
- Available
- SDK
- Available
- Hosted flow
- Available
- On-premise
- Unknown
Compliance and security notes
Compliance claims must be sourced before publication.
Reference links
Start with the provider website and then cross-check public claims against independent search results, security pages, regulatory records, and product documentation.
Strengths
- Banking-grade KYC built for European regulated institutions
- Combined IDV, AML screening, monitoring, and re-KYC under one vendor
- Operates as a regulated payment institution under the Dutch Central Bank
Limitations and watchouts
- Geared to regulated financial institutions; lighter consumer/marketplace fit than horizontal IDV platforms.
- Verify regional coverage and product packaging directly.