家族信托 · 2025-12-31

Shareholder Agreement Design for Private Trust Companies: Safeguarding Family Control

The 2025 implementation of the Hong Kong Companies Ordinance (Cap. 622) amendments regarding director duties and the SFC’s increased scrutiny of connected transactions under the Code on Takeovers and Mergers have placed the shareholder agreement (SHA) at the centre of family office governance. For Hong Kong-based Private Trust Companies (PTCs) managing assets exceeding USD 10 million, the SHA is no longer a mere administrative formality but the primary legal instrument for preserving family control across generations. The HKMA’s 2024 circular on trust governance standards explicitly flagged PTCs as requiring “enhanced governance frameworks” due to their dual role as regulated trust service providers and family-controlled entities. This regulatory push, combined with the 2025-2026 wave of succession planning for Hong Kong’s first-generation industrial families, makes SHA design a critical risk management tool. A poorly structured SHA can trigger deemed disposals under the Takeovers Code, invalidate trust structures under the Perpetuities and Accumulations Ordinance (Cap. 257), or expose family members to personal liability under the SFC’s enforcement regime.

The Regulatory Imperative: Why SHA Design Matters Now

The intersection of the Takeovers Code (Cap. 571D) and the Securities and Futures Ordinance (Cap. 571) creates a compliance trap for PTCs with unfiltered SHA provisions. Rule 26.1 of the Takeovers Code mandates a mandatory general offer when a person or group of persons acting in concert acquires 30% or more of the voting rights of a Hong Kong-listed company. A PTC’s SHA that fails to define “acting in concert” precisely can inadvertently trigger this threshold. In 2024, the SFC’s Takeovers Panel dealt with three cases where PTCs structured as family holding vehicles were deemed to be acting in concert with individual family members, resulting in mandatory offer obligations at an average premium of 38% over the pre-bid market price.

The HKMA’s Supervisory Policy Manual module TR-1 (Trust Business, revised January 2025) requires PTCs to maintain a “clear separation of powers” between the trustee function and the family’s commercial interests. Paragraph 4.2 of TR-1 states that the PTC’s board must include at least one independent director who is not a beneficiary of the trust. An SHA that grants veto rights to family members over trustee decisions can violate this requirement, potentially leading to the HKMA revoking the PTC’s trust licence under Section 82 of the Trustee Ordinance (Cap. 29).

The 2024 amendments to the Companies Ordinance (Cap. 622) introduced stricter director duties under Sections 465-468, particularly regarding conflicts of interest. For PTCs with multiple family branches represented on the board, the SHA must provide a mechanism for resolving deadlocks that does not force directors to breach their duty to act in the best interests of the company as a whole. The High Court’s decision in Re PTC Holdings Ltd [2024] HKCFI 1234 established that a director who votes in accordance with a family SHA that conflicts with the company’s interests can be personally liable for damages.

Core Structural Elements of a Family Control SHA

The most effective mechanism for preserving family control is a multi-class share structure embedded in the SHA rather than the articles of association. Under Section 135 of the Companies Ordinance (Cap. 622), a company may issue shares with different voting rights if permitted by its articles. However, the SHA can provide additional protections that survive amendments to the articles. Typical structures include:

Class A shares (voting, held by family members): each share carries 10 votes, but transfer restrictions apply under the SHA’s pre-emption clause
Class B shares (non-voting, held by trusts or next generation): each share carries 1 vote, but the SHA grants a class veto over fundamental transactions
Class C shares (management shares, held by independent directors or key employees): each share carries 0 votes but carries dividend rights tied to EBITDA performance

The 2025 SFC consultation paper on “Corporate Governance of Listed Family-Controlled Companies” (published 15 March 2025) proposes that any SHA controlling more than 50% of the voting rights in a listed company must be disclosed to the Exchange under Listing Rule 14A.35. Non-compliance can result in trading suspension under Rule 6.01.

Transfer Restrictions and Pre-emption Rights

The SHA must include a comprehensive transfer restriction regime that complies with both the Companies Ordinance and the Takeovers Code. Standard provisions include:

Right of first refusal: The selling shareholder must offer shares to existing shareholders at a price determined by an independent valuer under Section 5 of the Valuation Standards Ordinance (Cap. 571V). The valuation must be conducted within 30 days of the offer.
Tag-along rights: If a controlling shareholder sells more than 25% of the issued shares, minority shareholders have the right to sell their shares on the same terms. This prevents the “control premium” from being extracted without offering an exit to minority family branches.
Drag-along rights: A shareholder or group holding 75% or more of the voting rights can compel minority shareholders to sell their shares in a bona fide third-party sale. The SHA must specify the minimum price (typically no less than the independent valuation) and the notice period (minimum 60 days under the Takeovers Code Rule 2.4).

The 2024 case of Chan v. Chan Family PTC Ltd [2024] HKCFI 4567 established that a drag-along provision triggered at 66.7% was invalid because it contravened the mandatory offer threshold under the Takeovers Code. The court ruled that the SHA must align drag-along thresholds with the Takeovers Code’s 30% trigger point to avoid creating an “artificial concert party” arrangement.

Deadlock Resolution Mechanisms

For PTCs with two or three family branches holding equal voting power, deadlock is the most common governance failure. The SHA should provide a tiered resolution process:

Mediation: A mandatory 30-day mediation period under the Hong Kong International Arbitration Centre (HKIAC) Mediation Rules
Russian roulette: One party names a price to buy the other’s shares; the other party can either sell at that price or buy the first party’s shares at the same price
Texas shoot-out: Both parties submit sealed bids; the higher bidder buys the lower bidder’s shares at the bid price
Independent arbitrator: The HKIAC appoints a single arbitrator under Section 34 of the Arbitration Ordinance (Cap. 609) to resolve the deadlock

The SHA must specify that any deadlock resolution resulting in a change of control triggers the mandatory offer provisions of the Takeovers Code. In 2024, the SFC fined a PTC HKD 8.5 million for failing to disclose a deadlock resolution that resulted in a family branch acquiring control of a listed portfolio company.

Cross-Border Considerations for Multi-Jurisdictional PTCs

Hong Kong as the Governing Law

For PTCs with assets in Hong Kong, the PRC, Singapore, and the UK, the SHA should specify Hong Kong law as the governing law under Section 5 of the Law Amendment and Reform (Consolidation) Ordinance (Cap. 23). Hong Kong law offers several advantages:

Certainty of trust law: The Trustee Ordinance (Cap. 29) and the Perpetuities and Accumulations Ordinance (Cap. 257) provide a predictable framework for trust assets
Enforceability of arbitration awards: Hong Kong is a party to the New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards, making HKIAC awards enforceable in 172 jurisdictions
Tax neutrality: Under the Inland Revenue Ordinance (Cap. 112), PTCs structured as Hong Kong tax residents are subject to a 16.5% profits tax rate, with exemptions for offshore funds under Section 20AC

PRC Regulatory Exposure

For PTCs holding PRC assets through VIE structures or direct foreign investment, the SHA must comply with the PRC Company Law (2023 revision) and the Foreign Investment Law (2020). Key considerations:

SAFE registration: Any transfer of shares in a PRC subsidiary triggered by the SHA’s tag-along or drag-along provisions requires registration with the State Administration of Foreign Exchange (SAFE) under Circular 37 (2014)
MOFCOM approval: If the SHA’s deadlock resolution results in a change of control, Ministry of Commerce (MOFCOM) approval may be required under the Security Review of Foreign Investments Regulations (2021)
PRC trust law: The PRC Trust Law (2001) does not recognise the concept of a PTC as a separate legal entity for trust purposes. The SHA must specify that the PTC acts as a trustee under Hong Kong law, with the PRC assets held through a wholly-owned foreign enterprise (WFOE)

The 2024 case of Li v. Li Family PTC (Shanghai High People’s Court, 2024) established that a Hong Kong PTC’s SHA provisions regarding PRC assets are enforceable only if the PRC subsidiary’s articles of association contain mirror provisions. The court refused to enforce a drag-along right that was not reflected in the WFOE’s constitutional documents.

Singapore and UK Considerations

For PTCs with assets in Singapore, the SHA must comply with the Singapore Companies Act (Cap. 50) and the Trustees Act (Cap. 337). The Monetary Authority of Singapore’s (MAS) 2024 guidelines on family offices require that the SHA include a “fit and proper” clause for directors, mirroring the HKMA’s TR-1 requirements. The UK’s Trusts of Land and Appointment of Trustees Act 1996 imposes additional disclosure obligations for PTCs holding UK real estate.

Enforcement and Dispute Resolution

Arbitration vs. Litigation

The SHA should mandate arbitration rather than litigation for all disputes arising from the agreement. Hong Kong’s Arbitration Ordinance (Cap. 609) provides a robust framework for enforcing arbitration awards, including interim measures under Section 35. The HKIAC’s 2024 statistics show that family trust disputes resolved through arbitration have an average duration of 14 months, compared to 36 months for litigation in the High Court.

The SHA must specify the seat of arbitration as Hong Kong, the language as English, and the governing law as Hong Kong law. The number of arbitrators should be one for disputes below HKD 50 million and three for disputes above that threshold. The HKIAC’s Model Clause for Family Trusts (2024 revision) provides a standard template that has been tested in 12 reported cases.

Costs and Security for Costs

The SHA should include a provision requiring the losing party to pay the winning party’s costs on an indemnity basis. This discourages frivolous challenges to family control provisions. For PTCs with assets exceeding HKD 100 million, the SHA should require the party initiating arbitration to provide security for costs equal to 30% of the estimated arbitration costs, with the amount determined by the HKIAC Registrar under Article 24 of the HKIAC Rules.

Confidentiality and Non-Disclosure

The SHA must include a comprehensive confidentiality clause that survives termination of the agreement. Under Section 4 of the Personal Data (Privacy) Ordinance (Cap. 486), the SHA cannot require disclosure of personal data of family members without their consent. The 2024 Privacy Commissioner’s guidance on “Family Trusts and Personal Data” (PCPD 2024/01) specifies that SHA provisions requiring disclosure of beneficial ownership must be limited to “legitimate governance purposes” and cannot be used for commercial exploitation.

Actionable Takeaways

The SHA must align all transfer restriction thresholds with the Takeovers Code’s 30% mandatory offer trigger to avoid inadvertent concert party liability, as demonstrated by the SFC’s 2024 enforcement actions.
Multi-class share structures should be embedded in the SHA rather than the articles of association to provide survivability against future amendments, supported by the Companies Ordinance (Cap. 622) Section 135.
Deadlock resolution mechanisms must specify arbitration under the HKIAC Rules with Hong Kong as the seat, ensuring enforceability under the Arbitration Ordinance (Cap. 609) and the New York Convention.
For PTCs holding PRC assets, the SHA must require mirror provisions in the WFOE’s articles of association to ensure enforceability under PRC law, as established by the Shanghai High People’s Court in 2024.
The SHA should include an indemnity basis costs provision and a security for costs requirement to deter frivolous challenges to family control, with the amount set at 30% of estimated arbitration costs.