AML Compliance and Electronic Signature in Finance: 2026 Guide

AML (Anti-Money Laundering) compliance and electronic signature are now two inseparable pillars for financial institutions, payment platforms and fintechs operating in Europe. Since the entry into force of the 6th anti-money laundering directive (6AMLD) and the progression of the EU's AML 2024-2025 regulatory package — including the creation of the European Anti-Money Laundering Authority (AMLA) — subject entities must demonstrate an unprecedented level of due diligence. Electronic signature, when deployed correctly, is not simply a digitisation tool: it becomes a compliance instrument in its own right. This article guides you through the AML obligations applicable to electronic signature, the required assurance levels, the technical solutions available and the best practices to adopt for 2026.

Why Electronic Signature is at the Heart of AML Compliance

The fight against money laundering rests on three fundamental pillars: Know Your Customer (KYC), transaction monitoring and preservation of evidence. Electronic signature intervenes directly in the first two and the third component.

Electronic Signature as Verified Identity Proof

Within the AML framework, the establishment of a business relationship is the most exposed moment. Article 13 of Directive 2015/849/EU (4AMLD, as amended by 5AMLD) imposes rigorous verification of the customer's identity before any establishment of contractual relationship. Advanced or qualified electronic signature — within the meaning of eIDAS Regulation No. 910/2014 — guarantees that the signatory is indeed the person they claim to be, through a documented authentication and identification process. A qualified electronic signature (QES), issued by a Qualified Trust Service Provider (QTSP) listed on the European trust list, provides the "high" assurance level as defined by eIDAS 2.0 Regulation (EU Regulation 2024/1183 which entered into force in May 2024). This level is compatible with the strengthened due diligence requirements imposed for high-risk customers.

Traceability and Audit Trail Compliant with AML Requirements

AML regulations require the preservation of KYC documents for a minimum of 5 years after the end of the business relationship (Article 40 of Directive 2015/849). Electronic signature natively generates a complete audit trail: certified time-stamping, document hash, signatory identity, access logs and cryptographic certificates. This traceability ensured by electronic time-stamping directly meets the preservation and evidence requirements imposed by supervisory authorities — ACPR in France, BaFin in Germany, FCA in the United Kingdom.

Integration into Digital Onboarding Processes

Fintechs and neobanks have massively digitalised their onboarding. According to the McKinsey Digital Banking 2025 report, more than 78% of new European bank accounts are opened entirely online. In this context, electronic signature integrated into a KYC onboarding journey enables:

• Collection of informed customer consent on terms and conditions and data processing policy (GDPR)
• Formalisation of authorisation for collection of identity documents and proof of residence
• Finalisation of account opening contracts with maximum evidential value
• Archiving of the entire file in an auditable digital vault

For subject entities seeking to strengthen their framework, the comprehensive guide to electronic signature in business constitutes a structured starting point.

The Levels of Signature Required According to AML Risk Profile

One of the most frequent questions from compliance teams concerns the level of electronic signature to deploy according to the customer's risk level. The risk-based approach, at the heart of the AML framework, also applies to technology choice.

Simple and Advanced Electronic Signature: Standard Risk Use Cases

For customers identified as presenting a standard risk — natural persons residing in an EU Member State, without particular risk factors — an advanced electronic signature (AES) is generally sufficient. AES is based on signature creation data linked to the signatory in a unique manner, it is created from data that only the signatory can use under their exclusive control, and it allows any subsequent modification of the signed document to be detected (Article 26 of eIDAS Regulation). Compliant solutions such as Certyneo allow deployment of this level of signature with real-time identity verification through document recognition (OCR + biometric liveness check), which satisfies standard due diligence requirements.

Qualified Signature: Requirement for Strengthened Due Diligence

When the customer's risk profile is high — Politically Exposed Persons (PEPs), nationals of high-risk third countries listed by the European Commission, transactions of significant amount — strengthened due diligence (EDD) is required. In this context, only a qualified electronic signature guarantees the required assurance level. QES involves the use of a qualified signature creation device (QSCD) and a qualified certificate issued by an accredited QTSP. To better understand the differences between these levels and choose the appropriate solution, the comparison of electronic signature solutions available on Certyneo offers a structured analysis of market offerings in 2026.

The Role of Remote Identity Verification (eIDAS 2.0 and EUDI Wallet)

eIDAS 2.0 Regulation (EU 2024/1183) introduces the European Digital Identity Wallet (EUDI Wallet), whose deployment is planned by the end of 2026 in all Member States. This wallet will allow citizens to present verified identity attributes (nationality, date of birth, address) in a decentralised manner, without having to resubmit their documents to each service provider. For AML compliance, this evolution is significant: it will enable certified identity verification at the "high" level directly during the signature process, without additional friction for the user. Financial institutions that integrate eIDAS 2.0 compatible solutions today anticipate this transition and reduce their regulatory risk in the medium term. The update on eIDAS 2.0 Regulation published by Certyneo details the practical implications for subject entities.

Specific Obligations of Financial Actors Regarding AML Signature

The Subject Entities Concerned

Directive 2015/849/EU, transposed into French law in Articles L. 561-1 et seq. of the Monetary and Financial Code, defines a broad scope of entities subject to AML regulations: credit institutions, payment institutions, life insurance undertakings, wealth management advisers, real estate agents carrying out transactions exceeding €10,000, legal professions, and since 2020, digital asset service providers (DASPs) now subject to CASP approval under the MiCA regime. For each of these categories, documentation of contractual relationships through traceable electronic signature is an implicit requirement stemming from preservation and evidence obligations.

Data Preservation: Articulation of GDPR and AML

An apparent tension exists between the duration of preservation imposed by AML (5 years minimum) and the data minimisation principle of GDPR (Regulation EU 2016/679). The EDPB (European Data Protection Board) clarified in its Guidelines 4/2022 that the legal basis for preservation for purposes of combating fraud and money laundering constitutes a justified exception to the right to erasure, provided that the preserved data are strictly necessary. Electronic signature, by archiving only the cryptographic metadata and identity evidence strictly necessary, allows simultaneous compliance with both regimes. The use of a certified digital vault, separate from the usual document management system, is the best practice recommended by FATF (Financial Action Task Force) in its guidelines on digital transformation of 2023.

Sanctions and Risks in Case of Non-Compliance

Sanctions for AML breaches are significant. In France, the ACPR (Autorité de contrôle prudentiel et de résolution) can impose financial penalties of up to €100 million or 10% of annual turnover. In 2025, the ACPR imposed sanctions totalling more than €47 million against financial actors, several cases involving failures in documentation and verification of business relationship entry. The absence of reliable audit trail — which electronic signature precisely enables — was among the grounds cited in several public decisions.

Best Practices for Deploying AML-Compliant Electronic Signature

Integrate Signature into KYC Workflow from Design

The "privacy by design" approach imposed by GDPR joins here the "compliance by design" approach recommended by FATF. This means that electronic signature should not be added as a superficial layer to an existing process, but integrated from the design of the customer journey. Flows should be designed so that each step automatically generates necessary evidence: signature certificate, audit report, qualified time-stamping, document hash. Compliance teams must work together with IT teams to define clear orchestration rules: what level of signature for what type of document, what preservation duration, what metadata to retain.

Choose an Accredited and Auditable QTSP Provider

The choice of electronic signature provider is structurally important for AML compliance. It should be verified that the provider is listed on the national trust list (in France, managed by the ANSSI) and on the European trust list (EU Trust List), that it is certified according to ETSI EN 319 411 standards (for certificate policies) and ETSI EN 319 132 (for XAdES signatures), and that it has an annual audit report conducted by an accredited body. The ability to export evidence in a standardised format (PAdES, XAdES, CAdES) is also essential to enable its use in legal proceedings or AML investigations. Institutions seeking to optimise their framework can use the Certyneo ROI calculator to quantify the compliance and operational efficiency gains associated with electronic signature.

Train Teams and Document Procedures

AML compliance does not stop at technology. Front-office teams, compliance officers and risk managers must be trained in the specificities of electronic signature in an AML context: understanding signature levels, knowing how to interpret an audit report, knowing the procedures to follow in case of dispute. Documentation of signature procedures — integrated into compliance manuals — is examined during ACPR inspections. Clear, tested and regularly updated procedures demonstrate the institution's commitment to a proactive compliance approach.

Legal Framework Applicable to AML Compliance and Electronic Signature

The articulation between electronic signature and anti-money laundering rests on a dense regulatory body, both European and national.

eIDAS Regulation No. 910/2014 and eIDAS 2.0 (EU 2024/1183): These texts define the three levels of electronic signature (simple, advanced, qualified) and the conditions for mutual legal recognition between Member States. Article 25 of eIDAS Regulation sets out the principle of non-discrimination: an electronic signature cannot be refused as evidence in court solely on the grounds that it is in electronic form. eIDAS 2.0 Regulation, which entered into force in May 2024, strengthens digital identity requirements with the introduction of the EUDI Wallet.

Civil Code, Articles 1366 and 1367: Article 1366 of the French Civil Code recognises electronic writing as equivalent to writing on paper provided it can be properly identified the person from whom it emanates and established under conditions suited to guarantee its integrity. Article 1367 specifically governs electronic signature in French law, referring to conditions set by decree by the Council of State (Decree No. 2017-1416 of 28 September 2017).

AML Directives — 4AMLD (2015/849/EU), 5AMLD (2018/843/EU), 6AMLD (2018/1673/EU): These directives impose on subject entities obligations to verify identity, preserve documents for 5 years, monitor transactions and report suspicions to the competent financial intelligence unit (TRACFIN in France). French transposition is found in Articles L. 561-1 to L. 565-1 of the Monetary and Financial Code.

EU 2024 AML Package: Regulation EU 2024/1624 (AMLR), directly applicable in all Member States from 2027, and Directive EU 2024/1640 (AMLD6) harmonise due diligence rules and create the European Anti-Money Laundering Authority (AMLA), headquartered in Frankfurt. These texts strengthen the requirements for identity verification by electronic means, making eIDAS compliance even more strategic.

GDPR No. 2016/679: Article 5 (data minimisation), Article 17 (right to erasure, with its legal exceptions) and Article 30 (record of processing activities) fully apply to processing related to electronic signature in an AML context. The legal basis for preservation for purposes of legal obligation (Article 6.1.c of GDPR) justifies prolonged preservation of signature data.

ETSI Standards: ETSI EN 319 132-1 standard defines XAdES electronic signature profiles. ETSI EN 319 102-1 standard specifies signature creation and validation procedures. These technical standards are the operational translation of eIDAS legal requirements for technical providers.

Non-Compliance Risks: Beyond ACPR financial sanctions (up to €100M or 10% of turnover), AMLR 2024 Regulation provides for harmonised sanctions at EU level that can reach 10% of consolidated worldwide turnover for the most serious breaches. Directors can also be personally held accountable, with bans on exercise of functions provided for in Article 42 of AMLD6 Directive.

Use Scenarios: Electronic Signature and AML Compliance in Practice

Scenario 1 — Digital Onboarding in an Approved Payment Institution

An approved payment institution, processing approximately 15,000 new business relationships per month via its mobile application, faces strict AML requirements for customer identity verification. Before implementing an integrated advanced electronic signature solution in its onboarding journey, the institution relied on manual documentary verification processes, generating average delays of 72 hours and an abandonment rate of 34% during subscription.

By deploying an advanced electronic signature solution combined with biometric identity verification (liveness check + ID document OCR), the institution reduced onboarding time to less than 8 minutes for 89% of standard cases. The automatically generated audit trail — including signature certificate, biometric verification report and qualified time-stamping — directly meets AML preservation requirements. The abandonment rate fell from 34% to 11%, representing a net increase in completed subscriptions on the order of 35%, according to ranges observed in Juniper Research 2025 reports on digital banking.

Scenario 2 — Managing Strengthened Due Diligence in a Portfolio Management Company

A portfolio management company managing assets for wealthy clients (UHNWI — Ultra High Net Worth Individuals) is subject to strengthened due diligence obligations for all its clients, with a significant fraction of its clients classified as PEP (Politically Exposed Persons). Contractual documentation — management mandates, risk acceptance letters, periodic signed reporting — represents several thousand documents per year.

By deploying a qualified electronic signature solution for all PEP documents and integrating automatic archiving into a NF461 certified digital vault, the company established a complete and auditable audit trail. During a 48-hour ACPR inspection, all requested files could be produced within 2 hours, compared to a sector average estimated at 2-3 days according to feedback published by ACPR in its 2024 annual inspection report. Compliance teams also reduced by 60% the time spent preparing inspection files.

Scenario 3 — AML Compliance for a Digital Asset Service Provider (CASP)

A digital asset service provider (CASP) subject to MiCA Regulation and strengthened AML obligations applicable since January 2026 must document all its contractual relationships with identity verification obligations equivalent to those of a credit institution. Platform use contracts, custody mandates and investment policy certificates must be signed and preserved.

By integrating an advanced electronic signature solution via API into its registration journey, the CASP was able to automate the generation and signing of contractual documents as soon as KYC validation occurred. Each signed document is automatically indexed in the compliance management system with its cryptographic metadata. This approach reduced manual compliance team interventions by 80% in standard cases, freeing time for processing high-risk cases requiring human review.

Conclusion

AML compliance and electronic signature now form an indispensable pair for any financial actor operating in Europe in 2026. The successive anti-money laundering directives, culminating in the 2024 AML package and the creation of AMLA, have significantly raised the level of requirement in terms of identity verification, documentary traceability and preservation of evidence. Electronic signature — provided it is deployed at the appropriate level (advanced or qualified depending on risk profile), integrated from the design of customer journeys and supported by an accredited QTSP provider — structurally meets these requirements. It constitutes both a compliance tool, an operational efficiency lever and a competitive advantage in digital customer relationships.

Certyneo accompanies financial actors, fintechs and management companies in deploying electronic signature solutions that are eIDAS compliant and adapted to AML requirements. Discover our offerings and start your AML compliance today.