Practical Guide to Company Stamps and Digital Signatures in Taiwan
One of the most common regulatory and cultural challenges faced by foreign investors entering the Taiwan market in Taiwan’s deeply rooted corporate stamp culture. While Western business practices typically rely on handwritten signatures by senior executives or digital signature tools, the Taiwan business environment has traditionally relied on physical stamps made from materials such as wood, acrylic, or stone, used in conjunction with an ink pad. This practice has evolved into a distinctive system of “corporate stamp usage”, which remains an integral part of business operations in Taiwan.
In Taiwan, the commonly adopted method of executing corporate documents involves a dual-stamp system, commonly referred to as the “company stamp and representative’s stamp”. The larger company stamp bears the company’s full registered name and represents the corporate entity, while the smaller stamp bears the name of the company’s legal representative or chairperson. This raises an important question: Does Taiwanese law require companies to affix their stamps to documents in every case?
Under Article 3 of Taiwan’s Civil Code, where written documentation is required by law, affixing a seal to a document has the same legal effect as a handwritten signature. Furthermore, pursuant to Taiwan’s Company Act and relevant commercial registration regulations, a company’s seal set (commonly known as the large and small seals) serves as its statutory company seal and must be registered with the commercial registration authority upon incorporation. Subsequently, when conducting matters such as company registration amendments, tax filings, bank account opening, and major financial transactions, relevant government authorities and financial institutions generally require the use of these registered company seals—specifically, the company seal and the legal representative’s seal recorded on the company registration form—to verify the authenticity and authorization of the documents..
To keep pace with global digitalization trends, Taiwan has long established the Electronic Signature Act, which provides a legal framework for the use of electronic signatures and electronic documents. Subject to the applicable legal requirements, electronic signatures and electronic documents may have the same legal effect as their paper-based counterparts and physical stamps, provided that the following conditions are met:
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Mutual consent: The parties to the contract have expressly agreed to execute the agreement electronically.
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Identity verification and document integrity: The signing technology can reliably verify the signatory’s identity and ensure that the document’s contents have not been altered.
Therefore, although Taiwan law explicitly recognizes the legal validity of electronic signatures, their acceptance in day-to-day corporate operations varies significantly among institutions. Financial institutions, tax authorities, and the Ministry of Economic Affairs’ Department of Commerce may still require physical company stamps or a combination of the company stamp and the director’s personal signature, often verifying them against specimen signature or stamp cards and company registration documents kept on file. For commercial contracts between private companies, however, electronic signatures may generally be used legally, provided that the parties agree to electronic execution and no applicable legal requirements or contractual restrictions prevent their use.
In Taiwan, improper custody of company stamps or their unauthorized use may give rise to apparent agency issues under the Civil Code, potentially resulting in the company being held liable for fulfilling contractual obligations under agreements entered without proper authorization. Kaizen recommends implementing a segregation-of-duties approach to company stamp management, whereby the company stamp and the representative’s stamp are held by different authorized personnel. Kaizen also provides company stamp custody services. We assist with document stamping strictly in accordance with your company’s explicit instructions, helping safeguard your corporate stamps and prevent unauthorized use.
Should you have any questions, please feel free to contact the Kaizen Taiwan expert team for further professional advice. We are committed to helping your company maintain smooth and efficient business operations.
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