A common seal of a company is a metal stamp used to authenticate documents and show formal Board approval for transactions. The Companies (Amendment) Act, 2015, made it optional and introduced alternative methods for executing documents. Companies can use authorized signatories or electronic signatures to execute documents. Even so, some companies still use the common seal for formal or high-value agreements to add authenticity.
A sealed document signals formal approval by the company, which reassures banks, business partners, and foreign counterparts in significant deals. It also reduces the risk of forgery, as only authorized persons can affix the seal. As a result, the seal still holds practical value, even though the law no longer mandates it.
This guide explains the meaning of a common seal, its legal framework, uses, design rules, and the alternatives available under the Companies Act, 2013.
Key Takeaways
- A common seal is no longer mandatory in India. The Companies (Amendment) Act, 2015, made it optional for all companies.
- Instead of a seal, companies can now execute documents through two directors, one director and the company secretary, or electronic signatures under the IT Act, 2000.
- A company can keep only one common seal, and only the Board of Directors can authorize its use.
- The seal must show the company’s registered name and mention the registered office state under Section 12(3)(b).
- A company that uses a seal should maintain a seal register, recording the date, document, Board resolution, and witnesses for every use.
What is a Common Seal of a Company Under the Companies Act, 2013? Meaning and Importance
Secretarial Standard-8 (SS-8) defines a common seal as a metallic seal of a company that the Board of Directors can affix only after proper approval. It represents the company’s authority and acts as an official method of authenticating important documents.
Once affixed, it makes the document legally binding on the company. A company can have only one common seal, which:
- Acts as the company’s signature: It represents the company’s formal approval on official documents.
- Requires Board authorization: The company can affix the seal only with proper approval.
- Creates legal validity: It confirms that the company has authorized the document.
- Unique to the company: A company can maintain only one common seal.
- Used on important documents: These may include share certificates, powers of attorney, and deeds.
Is a Common Seal Mandatory? The 2015 Amendment
When the Companies Act, 2013, came into force, every company was required to maintain a common seal. Several corporate documents, including share certificates, also required affixation of the seal.
However, the Companies (Amendment) Act, 2015, relaxed this requirement by modifying Sections 9, 12, 22, 46, and 223 of the Act. In these provisions, references to the common seal were replaced with the words “if any”, allowing companies to operate without one.
The amendment also introduced an alternative method for executing documents through:
- Two directors signing jointly.
- One director and the company secretary, where a company secretary has been appointed.
- Electronic signatures, where applicable under the Information Technology Act, 2000.
- Board resolution approval, where the Board authorizes the execution of specific documents through a formal resolution.
Note: Companies without a seal must set clear internal authorization processes. This is especially important for deeds, powers of attorney, and other binding documents to ensure proper execution and accountability.
Format and Design of a Common Seal
The Companies Act, 2013, does not prescribe a fixed format for a common seal, but it requires essential identification details for clear company recognition.
A common seal must:
- Display the company’s full registered name clearly.
- Mention the state of the registered office as required under Section 12(3)(b).
- Keep all engraved details clear and legible when stamped on documents.
Note: Companies may include optional elements in the common seal, such as a logo or decorative features. However, they must ensure that the statutory details remain clear, readable, and not affected in any way.
Uses of a Common Seal: Documents That May Need It
Although optional under the Companies Act, 2013, some companies still use a common seal to authenticate important documents and show formal Board approval. These include:
| Document | Use of Common Seal |
| Share certificates | Confirms official issuance of shares to shareholders. |
| Debentures and related instruments | Authenticates issuance of debt securities. |
| Power of attorney | Authorizes a person to act on behalf of the company. |
| Property documents (sale, purchase, lease deeds) | Validates transactions involving company assets. |
| High-value or formal contracts | Provides additional authentication of Board approval. |
| Instruments executed outside India | Used where foreign jurisdictions require or recognize a seal. |
| Inspector’s report (Section 223, Companies Act, 2013) | May be issued in sealed form where required under procedure. |
How to Adopt, Affix, and Maintain a Common Seal?
If a company chooses to use a common seal, SS-8 (ICSI), and the company law practice sets a clear compliance process. Follow these steps:
- Approve the seal decision in a Board meeting and record it in the minutes. Ensure the seal shows the company’s name and registered office state under Section 12(3)(b).
- Appoint a responsible officer, usually the company secretary or an authorized director, to hold the seal.
- Use the seal only after proper Board or authorized approval for the specific document.
- Ensure two directors, or one director and the company secretary, are present during affixation.
- Require authorized persons to sign the document to confirm the valid use of the seal.
- Record every use of the seal with document details, date, and approval reference.
- Keep the seal in safe custody to prevent loss, misuse, or unauthorized access.
- Adopt a new seal through Board approval if the existing one is lost or damaged.
Common Seal Register: Record of Seal Usage
A company that uses a common seal should also maintain a common seal register to record every instance where it affixes its seal.
The register typically captures the following details for each use:
- Date of affixing, to record exactly when the company used the seal.
- Document description, such as a share certificate, deed, or contract.
- Board resolution reference, which authorized that particular use.
- Names of witnesses, usually two directors or one director and the company secretary present.
- Signatures, confirming that the seal was affixed correctly and with authority.
Note: The company secretary or another authorized person usually maintains the register along with the seal itself to prevent misuse.
Common Seal vs Alternative Methods of Document Execution
Here’s how a common seal and alternative execution methods for valid document authentication compare:
| Basis | Common Seal | Alternative Methods |
| Meaning | Metal stamp used to authenticate documents and show Board approval | Use of authorized signatures or electronic signatures to execute documents |
| Legal status | Optional after the Companies (Amendment) Act, 2015 | Fully valid under the Companies Act, 2013, and the IT Act, 2000 |
| Approval process | Requires Board resolution and physical affixation | Requires authorised signatories or Board-approved execution |
| Execution method | Physical seal affixed in the presence of authorised persons | Documents signed by directors, CS, or through e-signature |
| Speed of execution | Slower due to the formal process | Faster and more convenient |
| Usage today | Used selectively for formal or high-value documents | Used widely for routine and digital transactions |
| Compliance burden | Higher due to physical record-keeping | Lower due to digital and simplified execution |
Common Seal for Use Outside India
The Companies Act, 2013, allows a company that operates internationally to maintain a seal for use outside India if its Articles of Association permit it. It must follow a few key conditions:
- The company must authorize the use of an official foreign seal through its Articles of Association.
- The foreign seal must replicate the common seal and clearly mention the territory of use.
- The company must issue written authority to a person located in that foreign territory.
- The authorized person must affix the seal within their authority and record the date and place of affixing on the document.
After the Companies (Amendment) Act, 2015, companies without a seal use authorized signatories for foreign transactions. They also rely on electronic execution instead of maintaining an overseas seal.
Need clarity on whether your company should maintain a common seal or use alternative execution methods for international documents? RegisterKaro helps you understand compliance requirements and ensures the smooth execution of company documentation. Get in touch with our experts today for clear guidance on common seal usage!
