Is an electronic signature legal in United Kingdom?
English law generally imposes no requirement that a contract be in writing or signed, so most agreements can be concluded with an electronic signature, which is admissible in evidence. The Law Commission confirmed in 2019 that an electronic signature can execute most documents, including deeds, provided any witnessing or attestation formalities are met. UK eIDAS sets the SES / AES / QES tiers, with a QES having effect equivalent to a handwritten signature.
What types of electronic signature are recognized in United Kingdom?
UK eIDAS defines a simple electronic signature (SES), an advanced electronic signature (AES), and a qualified electronic signature (QES); a QES has the equivalent legal effect of a handwritten signature, and no electronic signature is denied admissibility merely for being electronic. No specific technology is required for an ordinary signature, but higher-assurance methods and an audit trail strengthen evidence.
What documents can be signed electronically in United Kingdom?
Most commercial agreements — NDAs, vendor and SaaS contracts, procurement, and HR — can be electronically signed. A deed can be signed electronically where the witnessing and attestation requirements are satisfied (the witness being physically present).
What documents cannot be signed electronically in United Kingdom?
Deeds require a witness; HM Land Registry imposes specific requirements for electronic signatures on dispositionary deeds; take care with documents that must be registered.
- Wills (the Wills Act 1837 requires a wet-ink signature and witnesses)
- Documents HM Land Registry requires in a particular form
- Lasting powers of attorney and documents with specific statutory execution formalities
- Documents requiring notarization
What court cases have addressed eSignatures in United Kingdom?
None reported.
What laws govern electronic signatures in United Kingdom?
Disclaimer: This guide is general information, not legal advice, and is not a guarantee that any signature will be enforceable for a particular document, transaction, or jurisdiction. E-signature and data-protection laws change frequently. Confirm the requirements for your specific document and parties, and consult a licensed lawyer in the relevant country before relying on electronic signing.
Last reviewed: June 15, 2026