Is eSignature legal in Singapore?
Yes. Electronic signatures are legally recognised in Singapore under the Electronic Transactions Act 2010 (ETA), which gives an electronic record the same legal standing as a paper one and allows an electronic method to satisfy a legal signature requirement. The ETA recognises ordinary electronic signatures for most commercial documents, and a higher "secure electronic signature" tier that carries evidentiary presumptions in court. A short list of document categories, including wills and most real estate dealings, sits outside the Act's electronic-signature provisions.
eSignature Legality in Singapore
Singapore has had a statutory framework for electronic transactions since 1998, and the current statute is the Electronic Transactions Act 2010. The Act was substantially expanded in 2021 to adopt the UNCITRAL Model Law on Electronic Transferable Records, which brought trade documents such as bills of lading and promissory notes into the electronic fold. For everyday business agreements, the position is straightforward: an agreement signed electronically is enforceable in Singapore on the same basis as one signed on paper, provided the signing method identifies the signer and shows their intention.
Are electronic signatures legal in Singapore?
Yes. Section 6 of the ETA states that information is not to be denied legal effect, validity or enforceability solely because it is in the form of an electronic record. Section 8 then sets the test for signatures: where a rule of law requires a signature, that requirement is satisfied in relation to an electronic record if a method is used to identify the person and to indicate that person's intention in respect of the information in the record, and that method is either as reliable as appropriate for the purpose in light of all the circumstances, or is proven in fact to have fulfilled those functions. The test is technology-neutral. The ETA does not prescribe a particular product, format or vendor.
The Act then distinguishes between an ordinary electronic signature and a "secure electronic signature" under section 18. A signature reaches the secure tier when, through a specified security procedure or a commercially reasonable security procedure agreed by the parties, it can be verified that the signature was unique to the signer, capable of identifying them, created using a means under their sole control, and linked to the record such that any change to the record would invalidate the signature. The practical value of that tier is evidentiary: under section 19, a secure electronic signature is presumed to be the signature of the person it correlates to, and presumed to have been affixed with the intention of signing or approving the record, unless contrary evidence is adduced. An ordinary electronic signature attracts no such presumption, so its authenticity is proved on the evidence, which is where a strong audit trail matters.
Types of electronic signatures in Singapore
Singapore does not use a three-level tier system of the kind found in the EU. Instead, the ETA sets one general standard for electronic signatures and one elevated standard, with digital signatures identified in the Act's schedules as the currently specified way of meeting the elevated standard.
- Electronic signature: The general category under section 8, covering any electronic method that identifies the signer and indicates their intention, such as a typed name, a drawn signature, or a click-to-sign action captured with supporting data.
- Secure electronic signature: An electronic signature that satisfies the four verification conditions in section 18, which unlocks the evidentiary presumptions in section 19 as to the signer's identity and signing intention.
- Digital signature: A certificate-based signature using an asymmetric cryptosystem and a hash function, which the Third Schedule to the ETA treats as a secure electronic signature where the certificate is valid and trustworthy, typically because it was issued by a certification authority accredited by the Controller at IMDA.
Learn more about different eSignature types and how to choose the right eSignature method.
Scope and limitations of electronic signatures in Singapore
The ETA applies broadly to commercial and administrative documents, and section 5 confirms that parties remain free to agree their own form requirements or to exclude electronic records entirely. A short list of matters in the First Schedule sits outside Part 2 of the Act, which is the part containing the writing and signature provisions. For those matters, the ETA's electronic signature rules cannot be relied on, and a paper process is the safe default unless specific advice says otherwise.
✅ Common uses for electronic signatures
- Commercial contracts, master services agreements, and statements of work between Singapore-incorporated entities
- Non-disclosure agreements, letters of intent, and term sheets
- Employment contracts, offer letters, and internal HR documentation
- Vendor onboarding, purchase orders, and supplier agreements
- Customer order forms, subscription agreements, and renewal paperwork
- Company administrative documents such as board consents, internal approvals, and policy acknowledgements, subject to the company's own constitution
Important considerations
- Wills. The creation or execution of a will is excluded from Part 2 of the ETA under item 1 of the First Schedule.
- Trusts and powers of attorney. The creation, performance or enforcement of an indenture, declaration of trust or power of attorney is excluded, with express exceptions for implied, constructive and resulting trusts, and for a lasting power of attorney as defined in the Mental Capacity Act 2008. In practice, lasting powers of attorney must be made through the Office of the Public Guardian's own OPGO system using Singpass digital signing in the presence of a certificate issuer — this is a closed government process, not something a general-purpose eSignature tool can be used for.
- Sale and conveyancing of immovable property. Any contract for the sale or other disposition of immovable property, or any interest in such property, and the conveyance of immovable property or transfer of any interest in it, are excluded — except when executed through a government-approved electronic transaction system, such as the Singapore Land Authority's Digital Conveyancing Portal, rolling out in phases from early 2026. This narrow pathway does not extend to general-purpose eSignature tools.
- Party agreement and sector rules. Section 5 allows parties to require wet-ink signing or to impose additional authentication requirements by agreement, and individual regulators, counterparties, or public agencies may still set their own form requirements for particular filings. Check the counterparty's and the regulator's requirements before defaulting to electronic signing.
- Note that an exclusion in the First Schedule removes the ETA's statutory route, not necessarily every route. In SM Integrated Transware Pte Ltd v Schenker Singapore (Pte) Ltd [2005] SGHC 58, the High Court held that an email could satisfy a statutory writing requirement for a lease and that a sender's name in the "From" field could function as a signature at common law, notwithstanding that land contracts were excluded from the equivalent provision of the earlier Act.
The exclusions should still be treated as hard stops in practice, and legal advice should be taken before signing anything in those categories electronically.
Why choose Sign.Plus for eSignatures in Singapore?
Sign.Plus gives Singapore businesses a straightforward way to send, sign, and store agreements that meet the section 8 standard. Documents are encrypted in transit and at rest, every action is recorded in a tamper-evident audit trail, and each completed document carries a signature certificate setting out who signed, when, and from where. Templates, reusable fields, and signing order controls keep repeat paperwork such as NDAs, order forms, and onboarding packs moving without a printer.
For teams that want signing built into their own systems, the Sign.Plus API lets you generate documents, send signature requests, track status, and retrieve signed files and audit trails programmatically. That makes it practical to trigger signing from a CRM, an HR platform, or an internal portal, so the signed record lands back in the system of record automatically rather than in an inbox.
Get started today and streamline your document signing with Sign.Plus!
DISCLAIMER: The information on this page is provided for general informational purposes only. Electronic-signature requirements in Singapore may vary depending on the signing method used, the document, sector-specific regulation, and the circumstances of the transaction. This information is not legal advice and should not be used as a substitute for advice from a qualified legal professional.
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