UK eIDAS Regulation
UK eIDAS Explained — Electronic Signatures After Brexit
After Brexit, the UK retained its own version of eIDAS. Here's what it means for electronic signatures, trust services, and digital identity in the UK.
What Is eIDAS and How Did It Become UK eIDAS?
eIDAS — Electronic Identification, Authentication and Trust Services — was an EU regulation (Regulation (EU) No 910/2014) that created a harmonised legal framework for electronic signatures across EU member states. When the Brexit transition period ended on 31 December 2020, the EU eIDAS regulation was retained in UK domestic law under the European Union (Withdrawal) Act 2018. The retained version is commonly referred to as 'UK eIDAS' and continues to govern electronic signatures in England, Wales, Scotland, and Northern Ireland.
The Three Types of Electronic Signature Under UK eIDAS
UK eIDAS defines three legally recognised types of electronic signature:
- Simple Electronic Signature (SES): Any data in electronic form attached to or logically associated with other data and used by the signatory to sign. Includes typed names, drawn signatures, scanned signatures, and click-to-agree mechanisms. The vast majority of UK business document signing uses SES.
- Advanced Electronic Signature (AES): Must be uniquely linked to the signatory, capable of identifying them, created using signature creation data under their sole control, and linked to the signed data so that any subsequent change is detectable.
- Qualified Electronic Signature (QES): An AES created using a qualified electronic signature creation device and based on a qualified certificate for electronic signatures issued by a UK trust service provider on the UK Trusted List. QES has the equivalent legal effect of a handwritten signature under UK eIDAS.
What UK eIDAS Means for Your Business Documents
For the vast majority of UK businesses, UK eIDAS means that Simple Electronic Signatures produced by compliant platforms are fully legally valid. UK eIDAS also provides the legal framework that prevents courts from denying legal effect to an electronic signature solely because it is in electronic form.
- SES is sufficient for most commercial, employment, and professional contracts
- AES may be required or preferred for financial services agreements or high-value transactions
- QES is rarely required in day-to-day UK business but may be specified in government contracts
- Electronic signatures cannot be denied legal effect solely because they are electronic
UK eIDAS vs EU eIDAS After Brexit
UK eIDAS and EU eIDAS share the same foundational structure, but they are now separate legal instruments. A qualified signature from a UK trust service provider on the UK Trusted List is not automatically recognised as qualified in EU member states. For domestic UK business — which covers the vast majority of commercial signing — UK eIDAS is the applicable framework, and VedaSign's signatures are compliant with it.
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What is UK eIDAS?
UK eIDAS is the retained domestic version of the EU eIDAS regulation (EU 910/2014), brought into UK law under the European Union (Withdrawal) Act 2018. It governs electronic signatures in the UK after Brexit.
Do I need a qualified electronic signature (QES) for UK contracts?
For most commercial contracts, no. Simple Electronic Signatures (SES) are legally valid for the vast majority of UK business documents. QES is typically only required where specifically mandated by statute or regulation.
Does UK eIDAS still apply after Brexit?
Yes. The EU eIDAS regulation was retained into UK domestic law. UK eIDAS continues to govern electronic signatures in England, Wales, Scotland, and Northern Ireland.
Is VedaSign compliant with UK eIDAS?
Yes. VedaSign produces Simple Electronic Signatures (SES) that are compliant with UK eIDAS and the UK Electronic Communications Act 2000, making them legally binding for the vast majority of UK commercial documents.
Is a UK QES recognised in EU countries?
Not automatically. UK trust service providers are on the UK Trusted List, not the EU Trusted List. For most commercial UK contracts, SES is sufficient and cross-border recognition is not a concern.