Where a private trust company

A multi-generational family with assets across Mainland China, Hong Kong, and one or more offshore centres faces a structural question that few single instruments can answer cleanly: how do you vest governance of a trust in an entity the family controls, without collapsing the very separation that trust law requires? The private trust company (PTC) – a bespoke corporate trustee owned by or for the benefit of the family, holding no external clients – is the structure many families reach for. Whether it actually works depends on where it sits, which law governs it, and what happens when a family member dies in a jurisdiction that does not share Hong Kong's approach to succession.

A private trust company for a multi-generational family is a purpose-incorporated entity that acts as trustee of one or more family trusts, governed in Hong Kong by the Trustee Ordinance (Cap. 29) as substantially reformed with effect from 1 December 2013, sitting above operating and holding entities that may span the Mainland, BVI or Cayman layers – and its principal cross-border risk is the collision between Hong Kong's trust-law protections and the forced-heirship or community-of-property rules of the jurisdictions where family members live.

This analysis examines where the cross-border risk actually sits in 2027, what the governing instruments provide, how Hong Kong compares to the principal alternatives, and what we read as the most exposed points in a typical multi-jurisdictional family structure.

What is commercially at stake for families using a private trust company?

The PTC model works because it puts governance of the trust in a board the family understands. An institutional trustee is replaced by a company whose directors may include family members, independent professionals, and advisers with actual knowledge of the family's assets. That is the commercial attraction. The risk is that familiarity with the governance seat can cause a family to underestimate the legal distance it must maintain from the trust assets themselves.

At the multi-generational level, the commercial stakes are structural. The trust holding the family's principal holding company or investment portfolio may have existed for twenty years. The founding generation's assumptions about succession – which children get economic interests, which get governance rights, which get neither – were made under a particular tax and legal environment. That environment has changed in almost every relevant jurisdiction. In our cross-border practice, we regularly see structures where the original trust documentation remains unchanged while the family's residence map has shifted entirely, moving principals from one forced-heirship territory to another.

The PTC amplifies this because the company itself has a jurisdiction of incorporation, a registered office, a board, and – critically – a place of effective management. Where those elements land determines how regulators, courts, and tax authorities characterise the arrangement. A PTC incorporated in the BVI with directors who all live in France raises different questions than one incorporated in the Cayman Islands with a professionally managed board in the Channel Islands. The question is not aesthetic. It determines which succession and forced-heirship rules reach the trust assets on the death of the settlor or a principal beneficiary.

What does the governing framework actually provide?

The Trustee Ordinance (Cap. 29), as substantially reformed with effect from 1 December 2013, gives Hong Kong trusts a set of protections that are genuinely competitive against the principal offshore alternatives. Three are directly relevant to the PTC model.

First, the reform abolished the rule against perpetuities and the rule against excessive accumulations for Hong Kong trusts. A family trust governed by Hong Kong law can now run indefinitely. For a multi-generational structure, that matters because the family's planning horizon is no longer artificially constrained by a trust law time limit.

Second, the Ordinance provides statutory protection for reserved powers. A trust is not invalidated merely because the settlor reserves certain powers – including, in a PTC context, powers related to the governance of the trustee company. This directly addresses one of the most common challenge points: an unhappy beneficiary or a foreign court arguing that the settlor's retention of influence over the PTC denies the trust its essential character.

Third, and most directly relevant to multi-jurisdictional families, the 2013 reform strengthened Hong Kong law's firewall against foreign forced-heirship claims. Where a trust is governed by Hong Kong law, a foreign forced-heirship rule does not, of itself, affect the validity or operation of the trust under Hong Kong law. That is a legislative anti-forced-heirship provision. It is not absolute – factual connections to a foreign jurisdiction may still give that jurisdiction's courts a basis to assert their own rules – but the Hong Kong law starting position is clear.

Hong Kong law also has no forced-heirship regime of its own. A settlor can exclude children, or favour one branch of the family over another, without any Hong Kong-law mandatory share applying. That is a material contrast with the civil-law systems where many of these families originate or where a rising generation has established residence.

For a practical read on how these protections interact with a family office relocation, see our analysis at transferring a family office from a European hub to Hong Kong.

How does the cross-border interface actually bite?

The firewall is effective where the trust has a genuine Hong Kong-law nexus. It is tested – and sometimes fails in practice – where the family's actual connections point elsewhere. Three interfaces generate the most pressure in our experience.

Residence of the settlor at death. A settlor who takes up residence in France, Italy, or another civil-law jurisdiction with a broad succession reach may find that jurisdiction asserting forced heirship (mandatory inheritance shares for children and, in some systems, a spouse) over assets that the settlor nominally transferred to the trust. Whether the trust genuinely removes those assets from the settlor's estate for the purposes of the foreign succession rule depends on how the foreign court characterises the transfer and the degree of control the settlor retained. A PTC structure in which the settlor sits on the board of the trustee company, holds a power of appointment over beneficiaries, and can replace the trustee at will is a more vulnerable structure than one with genuine separation. The Hong Kong firewall does not operate at the level of the foreign court; it operates at the level of how a Hong Kong court would treat the trust if asked. A French or Italian court applying its own rules to determine the settlor's estate is not bound by the Trustee Ordinance.

Residence of a successor generation. Multi-generational structures face a compounding version of this problem. The founding generation may have structured under one residence map. The second generation – educated abroad, married in civil-law jurisdictions, building careers in Europe or the Middle East – brings a new set of forced-heirship exposures. Where a beneficiary is resident in a jurisdiction that treats the beneficiary's interest in the trust as an asset of their estate on death, or as property subject to a marital regime, the trust structure may be partially disaggregated by a foreign succession proceeding even if the trust itself remains intact under Hong Kong law.

Situs of underlying assets. A trust that holds real property in jurisdictions with their own succession rules – and most civil-law countries apply lex situs (the law of the location of the asset) to immovable property – will face those rules at the asset level regardless of the governing law of the trust. The PTC structure does not insulate the underlying asset from the law of the jurisdiction where it sits. Families with substantial real estate in Germany, France, or Spain, held through a trust via a BVI or Cayman holding company, need to consider whether the interposition of the holding company changes the succession analysis for each relevant foreign jurisdiction – and the answer varies.

For background on how a Hong Kong-structured single family office sits within this environment, see our briefing at structuring a single family office through Hong Kong.

Micro-scenario: the second-generation residency shift

A wealth-holding family based in Central Asia used a BVI PTC as trustee of a discretionary trust holding a Hong Kong holding company and underlying operating assets in the Mainland. The founding generation were not resident in any high-forced-heirship jurisdiction. The second generation included two children, one of whom had taken up long-term residence in France and married there.

The French resident's spouse raised a matrimonial-property claim that included an assertion that the French resident's beneficial interest in the discretionary trust formed part of the marital estate under French community-of-property rules. The trust documentation had not been updated since inception and the letter of wishes – the informal guidance document to the PTC board – had never been reviewed in light of the change in the beneficiary's situation.

We were engaged to review the existing structure and model the options across Hong Kong, BVI, and the relevant civil-law system. The key steps were to review whether the PTC's governance documents gave the French-resident beneficiary rights that a French court would characterise as a property interest, whether the discretionary trust could be re-documented under Hong Kong law to clarify the nature of the interest, and whether a protective structure at the asset level was appropriate. The outcome was a restructured set of governance arrangements and an updated letter of wishes that reflected the second generation's actual residence map. No litigation resulted.

How does Hong Kong compare to the principal alternatives?

Families structuring a PTC arrangement typically consider Hong Kong alongside Singapore, the BVI, the Cayman Islands, and, for European-origin families, offshore Crown dependencies. The comparison is not simply a list of features. It is a read of where the family's actual connections sit and which trust law most reliably holds under challenge.

Singapore's trust law has equivalent perpetuity abolition and similar reserved-powers protection. Its anti-forced-heirship firewall applies in comparable terms. For a family with predominant connections to Southeast Asia or with a principal operating business in ASEAN, Singapore may be the more natural seat for the PTC. For a family with significant Mainland China assets, a Hong Kong PTC structure offers direct access to the Mainland's legal and regulatory environment, the common-law system with English as an official language of the courts, and the proximity of the Court of First Instance and ultimately the Court of Final Appeal as the apex common-law court.

The BVI and Cayman structures offer legislative flexibility and a large professional trustee market. They are widely used for holding entities above a PTC arrangement rather than as the primary trust-law seat. A BVI or Cayman PTC is not unusual, but families should be aware that those jurisdictions do not have the same depth of judicial precedent as Hong Kong or Singapore on contested trust matters, and enforcement against assets located in Mainland China is considerably more indirect from an offshore Caribbean seat than from Hong Kong.

Crown dependency structures – Jersey, Guernsey, Isle of Man – offer mature trust law and a well-regulated professional trustee market. Their utility for a family with Greater China assets depends on whether the family is comfortable with the practical distance from the asset base. Enforcement of a Jersey court order in relation to a trust asset in Mainland China requires a multi-step route through the relevant jurisdiction's courts. A Hong Kong judgment or award can engage the private wealth enforcement mechanisms available under the regime introduced by the Mainland Judgments in Civil and Commercial Matters (Reciprocal Enforcement) Ordinance (Cap. 645), which came into force on 29 January 2024.

That is not a trivial distinction. Where the family's trust assets include contractual claims, investment accounts, or operating company shares held through a Hong Kong entity, the ability to enforce a Hong Kong judgment or order against a Mainland counterparty through the registration mechanism under Cap. 645 is a structural advantage that a Caribbean or Crown dependency seat does not replicate.

What does the decision matrix look like in practice?

In our cross-border practice, the PTC decision matrix runs broadly as follows.

Where the family has its principal asset concentration in Greater China and the founding generation retains primary residence in Hong Kong or the Mainland: a Hong Kong-law trust with a Hong Kong or BVI PTC is the natural starting point. The Trustee Ordinance's protections apply directly. Enforcement of trust-related claims against Mainland-located counterparties can engage Cap. 645. The firewall against foreign forced-heirship operates under Hong Kong law as the primary governing law.

Where the second generation is dispersed across civil-law jurisdictions and holds matrimonial property interests in those jurisdictions: the structure needs to accommodate the compounding forced-heirship exposure. That means periodic review of the governance documents, a live letter of wishes that reflects the current residence map, and – in some cases – separate protective structures at the asset level in the jurisdictions where the second generation is resident. A PTC with a board that does not have current knowledge of the second generation's residence and marital situation is a governance gap, not just a legal one.

Where the family has substantial real property outside Hong Kong in lex situs jurisdictions: the PTC trust structure must be read alongside the succession rules of each property jurisdiction. The interposition of a holding company may or may not achieve the separation the family intends, depending on how each relevant foreign jurisdiction characterises the holding-company layer for succession purposes. This is an area where the analysis must be done jurisdiction by jurisdiction and should be updated whenever a material change in the family's asset map or residence map occurs.

Where there is an upcoming generation transition – a settlor in declining health, an estate that will crystallise within a foreseeable horizon: the window for restructuring is not indefinite. Documents that were optimal at inception may be materially deficient in light of subsequent changes in the family's circumstances. The structural steps that are available before the crystallising event may be unavailable or challengeable after it.

Micro-scenario: Mainland operating assets, offshore trust

A Hong Kong-headquartered family group with manufacturing operations in the Mainland held its operating assets through a Hong Kong holding company, itself held by a Cayman PTC as trustee of a Cayman-law discretionary trust. The founding principal died intestate as to a secondary asset – a residential property in the Mainland – that had never been transferred into the trust structure. A dispute arose between two branches of the family over the disposition of the Mainland property, with one branch asserting a claim through the Mainland succession process and the other arguing the property should be treated consistently with the trust's overall asset allocation.

We were engaged in autumn 2026 to advise on the interaction between the Cayman-law trust, the Hong Kong holding structure, and the Mainland succession proceeding. The core analysis required mapping the Mainland succession rules applicable to the property, reviewing whether the Cayman PTC's governance documentation could be read to support the second branch's position, and identifying whether any enforcement mechanism under Cap. 645 was available. The matter was resolved through a combination of restructured trust documentation and a negotiated family settlement; no contested court proceeding was required.

Where does the risk actually sit now?

Our read of the current position, across the families and structures we advise, is that the headline risk is not the trust law itself. Hong Kong trust law, as reformed, is well-equipped for multi-generational planning. The risk sits in three places that are structural rather than legal.

First, document staleness. A trust settled ten or fifteen years ago was documented under a different residence map, a different family composition, and different expectations about where the second generation would live. The PTC's governance documents – its articles, its investment policy, its distribution policy – may not reflect any of that change. In our experience, the letter of wishes is the most commonly neglected document in a multi-generational structure. It is informal but it shapes every discretionary decision the PTC board makes.

Second, board composition. A PTC whose board is composed exclusively of family members is a governance risk. It exposes the structure to characterisation as a sham – a trust that is trust in name only because the settlor or the settlor's nominees retain full practical control. That characterisation, if accepted by a foreign court or a foreign tax authority, can collapse the separation that the structure depends on. Independent directors, or professionally managed board positions, are not formalistic; they are substantive.

Third, the window for pre-crystallisation restructuring. Succession and estate-planning structures that are put in place while the founding generation is alive and legally capable are in a fundamentally different position from those attempted when a crystallising event is imminent or has already occurred. Transactions made close to the date of a settlor's death, or after the onset of a supervening incapacity, attract scrutiny from courts, beneficiaries, and tax authorities in a way that well-established structures do not. The window is real, and it is closing at different speeds for different families depending on the founding generation's circumstances.

The sequence above describes the standard position in analytical terms. Your matter turns on the specific documents, the jurisdictions your family members actually occupy, the order of events, and the degree of separation your PTC genuinely achieves. That is where the route is won or lost.

For a structured assessment of your family's trust and PTC position across the relevant jurisdictions, write to us at info@lockhartyip.com.

What does effective cross-border review actually require?

The question a family should put to its advisers is not "is our PTC valid?" It is closer to: does the current structure hold under challenge in each jurisdiction where a family member lives, owns property, or might one day die? The answer requires an analysis across multiple legal systems simultaneously.

In our cross-border practice, an effective review of a multi-generational PTC structure covers at minimum: the governing law of the trust and whether it is well-chosen given the family's current connection map; the jurisdiction of the PTC's incorporation and whether its place of effective management matches its jurisdiction of incorporation; the governance documents and whether the board has sufficient independence and current knowledge; the letter of wishes and whether it reflects the second generation's actual residence and family situation; and the asset map, including whether any assets sit outside the trust in a jurisdiction with its own succession rules.

The review should also consider enforcement. Where a trust-related dispute arises – a challenge by a beneficiary, a claim by a family member's spouse, a contested disposition of assets – which court has jurisdiction, and what mechanisms are available to enforce that court's orders against the assets? For a structure with a Hong Kong nexus, the enforcement toolkit includes the common-law courts, the mechanisms under Cap. 645 for Mainland-located assets, and the Arbitration Ordinance (Cap. 609) for contractual disputes that can be submitted to arbitration.

What foreign advisers – particularly those from civil-law systems advising families that also have a Greater China connection – sometimes underestimate is the degree to which Hong Kong's common-law system, its reformed trust statute, and its direct enforcement links to the Mainland create a coherent and defensible structure. The challenge is not that the Hong Kong tools are insufficient. The challenge is keeping the structure current as the family's facts change.

If an earlier structuring attempt has produced a document set that no longer matches the family's reality, or if a PTC board composition or governance arrangement has drifted from what was originally intended, a second read can identify the gap and the steps still available to address it before a crystallising event removes those options. To discuss that position, contact info@lockhartyip.com.

Related practices

Private Wealth – succession, trust, and cross-border wealth structures for international families
Holding Structures – PTC and corporate holding architecture across Hong Kong and offshore centres
Tax Positions – residence, FSIE, and Pillar Two implications for family structures

Frequently asked questions

What documents are needed for a private trust company for a multi-generational family?

A private trust company structure requires, at minimum, the trust deed (setting out the governing law, the trustee's powers, and the class of beneficiaries), the PTC's constitutional documents (articles of association or their offshore equivalent), a distribution policy, an investment policy, and a letter of wishes from the settlor to the PTC board. Where the family has members resident in civil-law jurisdictions, an assessment of the interaction between those documents and the relevant foreign succession rules should form part of the initial documentation set. The letter of wishes is not legally binding but shapes every discretionary decision the board makes; it should be reviewed and updated whenever the family's residence map or asset map changes materially.

How long does a private trust company for a multi-generational family usually take?

The time required depends principally on the complexity of the family's existing asset structure and the number of jurisdictions engaged. Incorporating the PTC entity and settling the trust can, in straightforward cases, be completed within a matter of weeks. The more material variable is the time required for the cross-border analysis that determines where the PTC should be incorporated, which governing law should apply to the trust, and how the governance documents should be drafted to reflect the family's current residence map. A structure built on analysis that has not kept pace with the family's facts may be completed quickly but will be inadequately documented.

What are the main risks in a private trust company for a multi-generational family?

The primary risks in a multi-generational PTC structure are: document staleness (governance documents and letters of wishes that no longer reflect the family's residence, asset map, or family composition); insufficient governance independence (a board composed exclusively of family members or nominees, which may be characterised by a foreign court as a sham); and forced-heirship exposure in the jurisdictions where the second or third generation is resident or owns property. The Hong Kong Trustee Ordinance's anti-forced-heirship firewall is a strong protection under Hong Kong law, but it does not bind the courts of the jurisdiction where a family member lives or where the relevant assets sit. Each jurisdiction must be assessed on its own rules.

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This publication is general information and does not constitute legal advice. For advice on your situation, contact info@lockhartyip.com.

Where a private trust company for a multi-generational family stands now