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 progress of the EU's AML regulatory package 2024-2025 — including the creation of the European Anti-Money Laundering Authority (AMLA) — obligated entities must demonstrate an unprecedented level of due diligence. Electronic signature, when deployed correctly, is not simply a dematerialization 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, available technical solutions and 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: customer knowledge (KYC — Know Your Customer), transaction monitoring and evidence preservation. Electronic signature intervenes directly in the first two and the third component.

Electronic signature as verified identity proof

In 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 customer identity before any establishment of contractual relationship. Advanced or qualified electronic signature — as per Regulation eIDAS 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, offers 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 enhanced 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 timestamp, document hash, signatory identity, access logs and cryptographic certificates. This traceability ensured by electronic timestamping 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 digitalized 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 allows:

• Collecting informed customer consent on general terms and data processing policy (GDPR)
• Formalizing the authorization for collection of identity documents and proof of residence
• Finalizing account opening contracts with maximum evidentiary value
• Archiving the entire file in an auditable digital vault

For obligated entities seeking to strengthen their system, the comprehensive guide to electronic signature in business constitutes a structuring starting point.

Signature levels 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 customer risk level. The risk-based approach, at the heart of the AML system, 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 using data that only the signatory can use under their exclusive control, and it allows detection of any subsequent modification to the signed document (Article 26 of eIDAS Regulation). Compliant eIDAS solutions like Certyneo enable deployment of this signature level with real-time identity verification through document recognition (OCR + biometric liveness check), which satisfies standard due diligence requirements.

Qualified signature: obligation for enhanced due diligence

When the customer risk profile is high — politically exposed persons (PEPs), nationals of third countries with high risk listed by the European Commission, transactions of significant amount — enhanced 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 end 2026 in all Member States. This wallet will allow citizens to present verified identity attributes (nationality, date of birth, address) in a decentralized manner, without having to resubmit their documents to each service provider. For AML compliance, this development is major: it will enable certified identity verification at the "high" level directly during the signature process, without additional friction for the user. Financial institutions integrating eIDAS 2.0-compatible solutions today anticipate this transition and reduce their medium-term regulatory risk. The update on eIDAS 2.0 Regulation published by Certyneo details the concrete implications for obligated entities.

Specific obligations of financial actors regarding AML signature

Obligated 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 regulation: credit institutions, payment institutions, life insurance enterprises, wealth management advisors, real estate agents carrying out transactions exceeding €10,000, legal professions, and since 2020, crypto-asset service providers (CASPs) now subject to CASP authorization under the MiCA regime. For each of these categories, documentation of contractual relationships through traceable electronic signature is an implicit requirement arising from archiving and evidence obligations.

Data preservation: articulation between GDPR and AML

An apparent tension exists between the duration of preservation imposed by AML (5 years minimum) and the data minimization 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 derogation from the right to erasure, provided that preserved data are strictly necessary. Electronic signature, by archiving only strictly necessary cryptographic metadata and identity proofs, allows simultaneous compliance with both regimes. Use of a certified digital vault, separate from the usual document management system, is the best practice recommended by the FATF (Financial Action Task Force) in its guidelines on digital transformation in 2023.

Sanctions and risks in case of non-compliance

Sanctions for AML breaches are significant. In France, the ACPR (Prudential Supervision and Resolution Authority) can impose pecuniary sanctions of up to €100 million or 10% of annual turnover. In 2025, the ACPR imposed sanctions totaling more than €47 million against financial actors, with several cases involving deficiencies in documentation and verification of business relationship establishment. The absence of reliable audit trail — which electronic signature precisely enables to constitute — was among the grounds cited in several public decisions.

Best practices for deploying AML-compliant electronic signature

Integrate signature into KYC workflow from the design stage

The "privacy by design" approach imposed by GDPR aligns here with the "compliance by design" approach recommended by the FATF. This means electronic signature should not be added as a superficial layer to an existing process, but integrated from the outset of customer journey design. Flows must be designed so that each step automatically generates necessary proofs: signature certificate, audit report, qualified timestamp, document hash. Compliance teams must work in concert with IT teams to define clear orchestration rules: which signature level for which document type, which archiving duration, which metadata to preserve.

Choose an accredited QTSP provider and auditable

The choice of electronic signature provider is structuring for AML compliance. It is appropriate to verify that the provider is listed on the national trust list (in France, managed by ANSSI) and on the European 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 proofs in a standardized format (PAdES, XAdES, CAdES) is also essential to enable their use in judicial proceedings or AML investigations. Institutions wishing to optimize their system can use Certyneo's 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, understanding procedures in case of dispute. Internal documentation of signature procedures — integrated into compliance manuals — is examined during ACPR controls. A clear, tested and regularly updated procedure demonstrates 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 corpus, 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 establishes the non-discrimination principle: an electronic signature cannot be refused as evidence in court solely because 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 recognizes electronic writing as equivalent to writing on paper provided that the person from whom it emanates can be duly identified and it is established under conditions that guarantee its integrity. Article 1367 specifically governs electronic signature under French law, referring to conditions set by decree in Council of State (Decree No 2017-1416 of September 28, 2017).

AML Directives — 4AMLD (2015/849/EU), 5AMLD (2018/843/EU), 6AMLD (2018/1673/EU): These directives impose on obligated 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 appears in Articles L. 561-1 to L. 565-1 of the Monetary and Financial Code.

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

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

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

Non-compliance risks: Beyond ACPR pecuniary sanctions (up to €100M or 10% of turnover), the 2024 AMLR provides for harmonized sanctions at EU level that may reach 10% of consolidated worldwide turnover for the most serious breaches. Directors may also be personally held accountable, with bans on practice provided for in Article 42 of AMLD6 Directive.

Use scenarios: electronic signature and AML compliance in practice

Scenario 1 — Digital onboarding in an authorized payment institution

An authorized 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 advanced electronic signature solution integrated into its onboarding journey, the institution relied on manual document 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 delay to under 8 minutes for 89% of standard cases. The automatically generated audit trail — including signature certificate, biometric verification report and qualified timestamp — directly meets AML preservation requirements. The abandonment rate dropped from 34% to 11%, representing a net increase in finalized subscriptions on the order of 35%, according to ranges observed in Juniper Research 2025 reports on digital banking.

Scenario 2 — Managing enhanced 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 enhanced due diligence obligations for all its clientele, with a significant fraction of its customers classified as PEPs (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 in an NF461-certified digital vault, the company constituted a complete and auditable audit trail. During a 48-hour ACPR inspection, all requested files could be produced in under 2 hours, compared to a sector average estimated at 2-3 days according to feedback published by ACPR in its annual control report 2024. Compliance teams also reduced by 60% the time spent preparing control files.

Scenario 3 — AML compliance for a crypto-asset service provider (CASP)

A crypto-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 terms of use contracts, custody mandates and investment policy attestations must be signed and preserved.

By integrating an advanced electronic signature solution via API into its registration journey, the CASP was able to automate generation and signing of contractual documents upon KYC validation. Each signed document is automatically indexed in the compliance management system with its cryptographic metadata. This approach reduced manual interventions by compliance teams on standard cases by 80%, 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 requirement level for identity verification, document traceability and evidence preservation. Electronic signature — provided it is deployed at the right level (advanced or qualified depending on risk profile), integrated from the outset of customer journey design 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 the digital customer relationship.

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