How do I open a mainland office from Hong Kong

How Do I Open a Mainland Office From Hong Kong

Your Hong Kong company can establish a mainland presence as a branch, a subsidiary (commonly a Wholly Foreign-Owned Enterprise, or WFOE), or a representative office. Chinese law assigns each structure different legal and tax consequences. Choose based on whether you need to trade, contract, or just conduct liaison activities in mainland China.

Hong Kong Company China Office Setup

The operational structure is your first decision. A branch is not a separate legal entity; your Hong Kong company is fully liable for its obligations. A subsidiary, incorporated under mainland law, is a separate legal entity and contains liability within that entity. A representative office is limited to liaison and market research. It cannot trade, contract, or generate income.

Branch Office in Mainland China

A branch office is an extension of your Hong Kong company. The parent company remains liable for all branch debts and obligations. You must register the branch with the State Administration for Market Regulation (SAMR) to obtain a business licence. The branch must also register for tax in China and may face Chinese corporate income tax on its profits. Because it is not a separate entity, the branch cannot limit the parent's exposure to mainland risks.

Representative Office China Hong Kong Company

The representative office is the simplest structure, but with strict limitations. It may not sign contracts, issue invoices, or earn revenue. Its purpose is market research and customer liaison, coordinating with the Hong Kong head office. Registration is handled through SAMR, and the office must appoint a chief representative. While not a taxable entity itself, it must register for tax and may face business tax on deemed income if it engages in prohibited trading activities.

China WFOE vs Hong Kong Company

A WFOE and a Hong Kong company differ fundamentally in legal personality and liability. A WFOE is a Wholly Foreign-Owned Enterprise incorporated in mainland China. It is a separate legal entity with its own limited liability. A Hong Kong company, incorporated under Hong Kong law, is not automatically recognised as a separate entity in China. For direct mainland trading, a WFOE subsidiary is the standard vehicle. It can contract, hire staff, and generate revenue in China. The Hong Kong company holds the WFOE's equity, and the WFOE's liabilities are separate from the Hong Kong parent.

Tax and Compliance Considerations

A mainland branch, subsidiary, or representative office may create a Permanent Establishment for Hong Kong tax purposes. The Inland Revenue Department assesses whether the Hong Kong company has a place of business in China. If it does, the Hong Kong company must register with the Inland Revenue Department and may need to file a profits tax return (Form BIR51) disclosing the mainland operations. Hong Kong tax follows the territorial source principle: only Hong Kong-sourced profits are taxable. However, profits earned through a mainland branch or subsidiary may be taxable in China, and the double taxation agreement between Hong Kong and mainland China may provide relief.

Legal Entity and Registration

Whatever structure you choose, the mainland office must be registered under Chinese law. A branch registers as a non-legal entity, a WFOE as a separate legal entity, and a representative office as a non-trading entity. Each requires a SAMR business licence, tax registration, and social insurance registration. The Hong Kong company must also maintain its own compliance: if the mainland office constitutes a place of business, the Hong Kong company may need to update its records with the Companies Registry and the Inland Revenue Department.

Practical Steps

1. Decide the structure: branch, subsidiary (WFOE), or representative office.
2. Engage a mainland Chinese legal or corporate service provider to handle SAMR registration.
3. Prepare the required documents, including the Hong Kong company's Certificate of Incorporation, Business Registration Certificate, and articles of association, all notarised and apostilled.
4. Register for tax in China and obtain a tax registration certificate.
5. Open a mainland bank account for the office.
6. Notify the Hong Kong Inland Revenue Department if the mainland office creates a Permanent Establishment.

The process and timeline depend on the city and industry. Consult a professional familiar with both Hong Kong and mainland Chinese regulations before proceeding.