eIDAS-Compliant Electronic Signatures

The eIDAS Regulation (EU) 910/2014, updated by eIDAS 2.0 (Regulation (EU) 2024/1183), provides the legal framework for electronic signatures across the European Union.

It defines three types of electronic signatures: Simple Electronic Signatures (SES), Advanced Electronic Signatures (AdES), and Qualified Electronic Signatures (QES). Each offers a different level of identity assurance and legal recognition, depending on the type of document and applicable regulations.

TeamSync helps organizations manage compliant signing workflows and supports the signature levels required for different business and regulatory scenarios.

What eIDAS Requires

  • Article 25 — Legal effect: an electronic signature can't be denied legal effect purely because it's electronic. A QES carries the same legal effect as a handwritten signature.

  • Article 26 — AdES: must be uniquely linked to the signatory, capable of identifying them, created using data the signatory can control with a high level of confidence, and linked to the signed data so any later changes can be detected.

  • Article 28 — QES: builds on AdES by adding a qualified certificate from a Qualified Trust Service Provider (QTSP) and a qualified signature creation device (QSCD).

  • Annex I–IV: set out requirements for qualified certificates, QTSPs, and QSCDs. eIDAS 2.0 also introduces the European Digital Identity Wallet (EUDI Wallet) for QES.

How TeamSync Supports eIDAS Compliance

1. Support for all three signature levels
 eSignatures support SES (such as click-to-sign), AdES (cryptographically linked, with a signatory-controlled key), and QES (through QTSP integration and a QSCD).

2. Pre-built QTSP integrations
 TeamSync integrates with major QTSPs such as InfoCert, GlobalSign, Namirial, and A-Trust, while customers retain the choice of which QTSP to use per jurisdiction.

3. Long-term signature validation (LTV)
 Signatures are embedded with LTV per ETSI EN 319 102, so their validity can be verified years later, even after the original certificate expires.

4. Ready for the EUDI Wallet (eIDAS 2.0)
 The architecture is built to integrate with the EUDI Wallet as individual Member States activate it.

5. Signature events, fully audited
 Every signature event is anchored to the cryptographic audit ledger, with the complete signature artifact preserved.

What Customers Get

Aspect

TeamSync coverage

SES — click-to-sign

Supported

AdES — cryptographic + sole-control

Supported

QES — QTSP + QSCD

Supported via integration

LTV per ETSI EN 319 102

Supported

EUDI Wallet readiness

Architecture ready

Signature audit

Cryptographic

Cross-jurisdiction handling

Per-document policy

  • UNCITRAL Model Law on Electronic Signatures: The international parallel

  • US ESIGN + UETA: The US approach to legal effect, under a different regulatory model

  • UK eIDAS (post-Brexit): The UK's equivalent framework

  • ETSI EN 319 102 / 122 / 132: The technical standards behind AdES and QES

Who This Page Is For

  • General Counsel

  • Construction Contracts Manager

  • Matter Management Director