Opening a Corporate Bank Account in Hong Kong: Company Documents, Significant Controllers, Business Explanation and Simple Bank Accounts

Opening a corporate account in Hong Kong means the bank carries out customer due diligence (CDD) on a corporate customer: first verifying the identity of the company itself, then identifying and verifying the beneficial owners behind it, understanding what business the company does, why it is opening an account with this bank and how money is expected to move in and out, and verifying that the people signing for the company are authorised to do so. The difference from a personal account is that the bank needs to look through the corporate shell to find the natural persons who ultimately own or control the company.

This article applies to Hong Kong (company and bank position) and Singapore (for comparison). Company formation, tax and foreign-exchange questions require separate professional advice.

The four questions a bank needs to answer

A Hong Kong bank's review of a corporate account application can be summed up as four questions. This framing comes from the customer due diligence measures in Schedule 2 of the Anti-Money Laundering and Counter-Terrorist Financing Ordinance (Cap. 615): identify and verify the customer; identify the beneficial owners and take reasonable measures to verify them; understand the purpose and intended nature of the business relationship; and identify and verify any person acting on the customer's behalf.

In a corporate context, a beneficial owner generally means a natural person who directly or indirectly owns or controls more than 25% of the company's shares or voting rights, or who otherwise exercises ultimate control over the company (Cap. 615).

Document checklist: HKMA reference items and common bank requirements

The HKMA's "Information Required" consumer page lists reference items for corporate customers and states that the list is for reference only; banks may ask for other documents based on their own risk assessment (page revised 2019-08-26). The table below separates the HKMA list from the additional requirements commonly seen in practice:

For documents issued outside Hong Kong or not in Chinese or English, the bank may ask for a translation, notarisation or legalisation. Preparing the information for individual directors, shareholders and signatories is covered in Documents for a personal account.

The Significant Controllers Register (SCR)

The Significant Controllers Register (SCR) is a register that a Hong Kong company keeps itself, recording its significant controllers. According to the Companies Registry's FAQ and guideline:

Banks ask for the SCR to check whether the beneficial owners declared match the company's records and the controlling person details in the tax self-certification; inconsistency among the three is a common reason for document requests (see Rejections and document requests).

Business substance and account purpose: why banks probe

What takes longest in a corporate account application is often not the documents but the business explanation. Cap. 615 requires banks to understand "the purpose and intended nature of the business relationship", and banks use this to set a baseline for ongoing monitoring: the payment volumes, currencies and counterparty locations you declare at account opening become the reference point for judging whether later transactions are unusual.

When preparing the business explanation, it helps to organise it in this order:

1. What the company does: products or services, industry, date of incorporation, team and office location;
2. Why it needs a Hong Kong account: the currencies it receives and pays in, where its customers or suppliers are, and its business connection to Hong Kong;
3. Where money comes from and where it goes: the source of the initial funds, expected monthly amounts and numbers of receipts and payments, and where the main counterparties are located;
4. Supporting materials: signed contracts, invoices, quotations, shipping documents, the company website and product information.

The explanation should be true, specific and capable of being evidenced. Do not exaggerate the scale of the business, and do not leave out the people who actually run it (preparing source-of-funds information is covered in Source of funds). In an article on 2023-04-27, an HKMA Deputy Chief Executive said that banks should apply proportionate due diligence, avoid rejecting corporate account applications on a "one-size-fits-all" basis, and were encouraged to set up dedicated teams or hotlines. This is the regulator's expectation of banks; it does not guarantee that any individual application will be approved.

Simple Bank Accounts (SBA): who they suit and their limits

The Simple Bank Account (SBA) is a tiered account service launched in 2019. An HKMA article of 2019-04-12 explained that SBAs focus on basic services such as deposits, withdrawals and local and cross-border remittances; because the risk is lower, banks may ask for less information and fewer supporting documents. They are aimed at businesses that need only basic services, such as start-ups, overseas companies setting up in Hong Kong and some SMEs; offshore companies with complex structures may not be suitable. At the time, all three note-issuing banks had launched SBAs.

According to the HKMA's article of 2023-04-27, about 13,000 SBAs had been opened since the launch. Bank announcements reproduced on the HKMA's page show that between November and December 2025, ICBC (Asia), CCB (Asia), Bank of Communications (Hong Kong) and others also launched SBAs (the banks' own statements).

Companies with Mainland shareholders: common document requests

For Hong Kong companies set up or controlled by Mainland shareholders, the account opening logic is the same as for any other company. In practice, the points most often probed are:

1. Multi-layer structures: banks usually need registration documents and shareholder details for every layer, up to the ultimate natural persons;
2. Business links inside and outside the Mainland: transactions, pricing and fund flows with related companies in the Mainland;
3. Signatories and the people who actually run the business: where nominee directors differ from those actually running the company, this needs to be explained;
4. Source of funds: where the initial capital and operating funds come from, and how this relates to Mainland foreign-exchange and outbound investment rules (Mainland professional advice is needed);
5. Remote account opening: Hang Seng Bank announced on 2023-07-18 that it had extended remote corporate account opening to Hong Kong companies with Mainland shareholders (reproduced on the HKMA's page; the bank's own statement, and the bank's current terms prevail).

The written declaration measure for "Chinese Mainland investors" in Appendix B to the SFC circular of 2026-05-22 does not apply to corporate and institutional clients, but banks must still complete normal due diligence. Holding assets through a company raises separate legal, tax and foreign-exchange questions, and a corporate account should not be treated as a way around the requirements that apply to individuals; the relevant rules are in Investment account changes.

How Singapore compares: ACRA's Register of Registrable Controllers and corporate accounts

Corporate account opening in Singapore is also based on customer due diligence under MAS Notice 626. On the company side, the equivalent system is the Register of Registrable Controllers (RORC) administered by the Accounting and Corporate Regulatory Authority (ACRA).

Document details for Singapore corporate, family office and VCC accounts are on our sister sites bankaccount.com.sg and vccfund.sg. If you would like help interpreting how this applies to your company, you can register your enquiry through this site's contact details.