Can a simple signature now replace a long‑standing symbol of corporate authority? Since the Companies Act amendments that took effect on 31 March 2017, the law removed the strict requirement to use a common seal for many official documents.
Practically, this means most records and contracts can be executed by authorised signatories rather than by imprinting a seal. However, execution rules still hinge on the document type — deeds often need extra formalities — and on what counterparties expect.
Some firms retain a seal for tradition, internal governance or to reassure counterparties. This guide will explain the 2017 changes, how section 41B operates, how deeds are delivered, and the difference between a common seal and a rubber stamp. For further reading on stamps and usage, see this essential guide to company stamps.
Key Takeaways
- The Companies Act change of 31 March 2017 relaxed the formal need for a common seal in many cases.
- Execution depends on document type; deeds and formal instruments can require special steps.
- Signatures of authorised officers now commonly validate documents without a seal.
- Some organisations keep a seal for tradition or counterparty comfort.
- Check the constitution and counterparties’ wording to be sure of proper execution.
Common seal requirements in Singapore after the 2017 Companies Act amendments
Parliament’s changes in March 2017 simplified how firms sign and execute formal instruments. Before the reform, deeds and share instruments were often executed with a common seal affixed to the signature page. In practice, that meant a red sticker or embossed emblem and wording such as “SIGNED, SEALED and DELIVERED”.
From 31 March 2017 the Companies Act amendments removed the legal duty to keep or use a common seal for many papers. This gives firms a simpler route: authorised signatories can execute deeds and other documents without the older physical formalities.
Why this matters operationally: fewer steps at the office, faster turnaround and less friction when executives or corporate secretarial and accounting teams process paperwork. Firms should still review old templates and execution blocks to avoid outdated “must seal” language.
does singapore company need common seal for executing deeds and key documents?
Short answer: For deed execution, a common seal is no longer legally required for Singapore‑incorporated entities. Section 41B allows authorised signatures to validate deeds and most formal instruments.
When a firm may still choose to use a company seal
- Internal policy or board preference that preserves legacy practice.
- Constitutional clauses that reference stamping or old execution blocks.
- Perceived formality in sensitive transactions where counterparties expect a physical mark.
What to do if a counterparty asks for “SIGNED, SEALED and DELIVERED”
Such wording is often a preference rather than a statutory requirement. If the other side insists, propose execution under section 41B or agree updated execution wording to keep the deal moving.
Practical tip: Align templates, record who is authorised to sign, and consider engaging corporate secretarial services to update precedents and governance so teams act consistently.
Executing a deed without a common seal under section 41B of the Companies Act
Section 41B provides three authorised signature routes to execute a deed without using a physical mark. Choose the route that suits your governance and officer availability.
Signing by a director and a company secretary on behalf of the company
A director and the company secretary sign the execution block for and on behalf of the entity. This route is administratively simple and suits normal board practice.
Signing by at least two directors of the company
Two authorised directors may sign to execute a deed on behalf of the firm. Use this where the secretary is unavailable or where directors prefer dual sign-off.
Signing by a director in the presence of a witness who attests the signature
Here a director signs while a witness watches and then signs to confirm the act. The witness must add their full name and address to strengthen evidential value.
What “witness attests signature” means in practice
Witness attests signature means the witness declares they saw the director sign. Include the witness’s name and address beneath their signature.
Execution clauses to reflect “EXECUTED and DELIVERED as a deed”
Update templates away from outdated phrasing. Use “EXECUTED and DELIVERED as a deed” and ensure the execution block matches the selected signatories.
“Ensure the execution block names the director(s) and the capacity in which they sign to avoid defects.”
| Method | Who signs | Practical note |
|---|---|---|
| Director + Company Secretary | Director; Company Secretary | Straightforward; matches routine governance |
| Two Directors | Director; Director | Useful if secretary unavailable |
| Director + Witness | Director; Witness (name & address) | Witness must attest signature and add contact details |
Operational tip: keep a signing checklist showing who signs on behalf of the firm, whether a witness is required, and the witness particulars to capture.
Delivery still matters for deeds, even without a seal
Delivery remains the decisive act that makes a deed enforceable. The 2017 amendments offered an alternative to affixing a physical mark, but they did not alter established common law principles on delivery.
What “delivered” means under common law
Delivered refers to an intention to be bound, not just handing over a paper. Courts look for clear words and actions showing parties accepted the legal effect.
Why delivery still matters in practice
Even when a deed is properly signed under section 41B, the absence of evidence that it was delivered can invite disputes.
| Issue | Why it matters | Practical step |
|---|---|---|
| Signed in advance | May lack present intent to be bound | Record a dated statement confirming delivery |
| Escrow or conditional completion | Delivery may be postponed until conditions met | Use clear escrow instructions and release notices |
| Electronic or counterpart signing | Proving simultaneous delivery can be harder | Keep audit trails and coordinate signing, dating and exchange |
Practical checklist
- State that the instrument is executed and delivered where appropriate.
- Ensure signing, dating and any release steps are logged together.
- Update templates to reflect delivery as a legal requirement under the prevailing law.
Common seal vs rubber stamp in Singapore business documents
Many businesses use stamps daily to mark documents, yet their legal effect differs from a formal execution device.
Why a rubber stamp is not a common seal
A rubber stamp is an administrative tool used to endorse documents for routine handling. It confirms identity or an internal reference.
It does not perform formal execution of deeds or legally replace a proper execution method under the Companies Act.
Using the company name and registration number (UEN) to endorse documents
Stamps typically show the company name and registration number. That helps counterparties verify registration quickly.
If invoices, statements or business letters already display the UEN, there is no need to affix a stamp.
When you can skip stamping invoices, statements of accounts and business letters
Skip stamping where the registration number is already printed. This reduces processing time and avoids clutter.
Some firms keep several seals or stamp formats for different internal uses. Multiple seals do not change execution rules.
“Use the right tool for the right purpose: signatures for formal execution; stamps for admin clarity.”
| Use | Typical content | Purpose |
|---|---|---|
| Invoice | Company name; UEN | Billing identity; stamping optional if UEN shown |
| Internal form | Short company name; reference number | Workflow routing and filing |
| Deed / formal instrument | Execution block (signatures) | Legal execution — stamp not a substitute |
Practical tip: engage corporate secretarial services to standardise when to stamp, what details to include, and to keep templates compliant and efficient.
Conclusion
Modern execution combines statutory signing routes with careful record-keeping. Since the 2017 reform, a Singapore company can execute deeds using section 41B routes rather than relying on a physical seal.
Practical next steps: update execution blocks, confirm who signs, and align office and accounting teams so documents process smoothly. Consider corporate secretarial services to refresh templates and maintain governance records.
Quick checklist: director + secretary; two directors; or director with a witness. Always log signing, dating and delivery to show intent to be bound.
Scope note: the reform covers local companies and does not alter how foreign entities execute deeds here. This page is general information and is not legal advice; seek professional guidance for specific transactions.
FAQ
Does a Singapore company need a common seal?
What changed on 31 March 2017 and why it matters for companies?
Which documents were traditionally executed under a seal?
How does this reform align Singapore with other jurisdictions?
When might a company still choose to use a company seal?
In what situations do counterparties still request "signed, sealed and delivered" wording?
How can a deed be executed without a seal under section 41B of the Companies Act?
What does signing by a director and company secretary involve?
How does signing by at least two directors work?
What does "signing by a director in the presence of a witness who attests the signature" mean in practice?
What information should a witness provide when attesting a signature?
How should execution clauses be drafted to reflect "executed and delivered as a deed"?
Why does delivery still matter for deeds, even without a seal?
What does "delivered" mean for deed effectiveness under common law principles?
Why is a rubber stamp not a common seal?
Can the company name and registration number (UEN) be used to endorse documents?
When can you skip stamping invoices, statements of accounts and business letters?

Dean Cheong is a Singapore-based commercial growth architect and CEO of VOffice, known for helping B2B companies turn fragmented sales efforts into predictable revenue systems. He specializes in sales process optimisation, CRM-driven visibility, and market entry strategy, combining execution discipline with a strong academic grounding in business banking and finance from Nanyang Technological University. His focus is on building repeatable, data-backed growth frameworks that companies can scale with confidence.