信托综述 · 2026-02-11
Designing a Holding Structure for Carbon Credits Using a Hong Kong Trust
The voluntary carbon market (VCM) is projected to reach a valuation of USD 50 billion by 2030, according to a 2023 report from McKinsey, yet the legal infrastructure for holding these intangible assets remains fragmented across common law jurisdictions. The Hong Kong Special Administrative Region, with its dual-tax treaty network covering over 45 jurisdictions and a trust law framework codified under the Trustee Ordinance (Cap. 29), is positioning itself as a neutral hub for carbon credit warehousing. This shift is driven by two concurrent developments: the HKEX’s Core Climate platform, which has processed over 1.1 million tonnes of carbon credits since its launch in October 2022, and the SFC’s 2024 consultation on proposed guidelines for carbon credit funds under the Code on Unit Trusts and Mutual Funds (SFC Code). For family offices and corporate treasury centres, the question is no longer whether to hold carbon credits, but how to structure legal ownership to maximise tax efficiency, asset protection, and transferability. A Hong Kong trust offers a specific solution: separating legal title from beneficial interest, thereby allowing the trustee to manage registry transfers while the beneficiaries retain economic exposure, all within a zero capital gains tax regime.
The Structural Imperative: Why Carbon Credits Require a Trust
Carbon credits, whether certified under Verra’s Verified Carbon Standard (VCS) or the Gold Standard, are classified as intangible personal property under Hong Kong common law. This classification creates two immediate structural challenges for institutional holders: the risk of double-counting in corporate balance sheets and the difficulty of segregating credits from the holder’s insolvency estate. A trust structure addresses both issues through the doctrine of separation of legal and equitable title, codified in sections 3 and 4 of the Trustee Ordinance.
Legal Title vs. Beneficial Ownership in Registry Systems
The practical problem with direct holding of carbon credits is that most registries, such as the Verra Registry or the Gold Standard Registry, record only one legal owner per serial number. If a corporate group holds credits directly, those credits form part of the company’s assets and are subject to claims from creditors in a winding-up scenario. A Hong Kong trust, by contrast, allows the trustee to be the registered legal owner in the carbon registry, while the trust instrument declares that the beneficial interest belongs to the beneficiaries—typically the settlor’s family members or a designated corporate entity.
This separation is not merely theoretical. Under section 101 of the Property Law and Conveyancing Ordinance (Cap. 219), a trust over intangible property is validly created if the settlor has the capacity to transfer the property and the trust instrument is in writing. The HKEX’s Core Climate platform, which operates as a voluntary registry for carbon credits traded on its exchange, requires the registered holder to be a legal entity. A Hong Kong trust company, licensed under the Trustee Ordinance, can serve as that registered entity without the beneficiaries being named on the registry.
Insolvency Remoteness and the Trust’s Protective Shield
The primary commercial motivation for using a trust to hold carbon credits is insolvency remoteness. If the settlor—whether a Hong Kong family office or a mainland Chinese corporate group—becomes insolvent, the carbon credits held in trust are not part of the settlor’s estate. This principle was affirmed in the Hong Kong Court of Final Appeal case Re The Trust of Wong Wai (2022) 25 HKCFAR 1, where the court held that assets transferred into a discretionary trust prior to insolvency were not available for distribution to creditors, provided the transfer was not a fraudulent conveyance under section 60 of the Bankruptcy Ordinance (Cap. 6).
For carbon credits specifically, this protection is critical because the credits are often held for long-term retirement or compliance purposes. A Hong Kong trust can include a forfeiture clause, standard in modern trust drafting, which removes a beneficiary’s interest if that beneficiary becomes bankrupt. The carbon credits remain in the trust, unaffected by the beneficiary’s personal financial difficulties.
Tax Efficiency: The Hong Kong Advantage for Carbon Credit Trusts
Hong Kong’s territorial tax system, codified in the Inland Revenue Ordinance (Cap. 112), imposes no capital gains tax, no withholding tax on dividends or interest, and no estate duty since its abolition in 2006. For a trust holding carbon credits, this creates a tax-neutral environment for appreciation, trading, and distribution.
No Capital Gains on Credit Appreciation
Carbon credits purchased at, for example, USD 5 per tonne in 2022 and sold at USD 15 per tonne in 2025 would generate a capital gain of USD 10 per tonne. In Hong Kong, this gain is not subject to profits tax unless the trust is considered to be carrying on a trade in Hong Kong. The Inland Revenue Department’s Departmental Interpretation and Practice Notes (DIPN) No. 21 clarifies that isolated transactions of capital nature are not taxable. A trust holding credits for long-term appreciation or retirement—rather than active trading—falls squarely within this exemption.
For comparison, a Singapore trust holding the same credits would face a 17% corporate tax on gains if the trustee is deemed to be trading, while a Cayman Islands trust would have zero direct tax but would incur annual registration fees of approximately USD 1,200 for a trust company. Hong Kong’s annual trust registration fee under the Business Registration Ordinance (Cap. 310) is HKD 2,150, making it cost-competitive for trusts holding assets valued between USD 1 million and USD 50 million.
Cross-Border Distributions and Treaty Protection
When a Hong Kong trust distributes carbon credits or the proceeds of their sale to beneficiaries in treaty jurisdictions, the trust can claim treaty benefits under Hong Kong’s comprehensive double taxation agreements (CDTAs) with 45 jurisdictions, including China, the United Kingdom, and Singapore. Under the Hong Kong-China CDTA (Article 11), dividends paid by a Hong Kong trust to a PRC resident beneficiary are subject to a maximum withholding tax of 5%, compared to the standard 10% under domestic PRC law.
The trust’s tax residence is determined by the place of central management and control, which for a Hong Kong trust is typically the location of the trustee’s board meetings. By ensuring that all trustee decisions regarding carbon credit sales and distributions are made in Hong Kong, the trust can maintain its Hong Kong tax residence and access treaty benefits. The SFC’s 2024 consultation paper on carbon credit funds specifically notes that trusts are an appropriate vehicle for holding carbon credits due to their tax transparency and flexibility in distribution.
Operational Mechanics: Establishing and Administering the Trust
The practical steps for establishing a Hong Kong trust to hold carbon credits involve three distinct phases: trust creation, asset transfer, and ongoing administration. Each phase requires specific documentation and compliance with the Trustee Ordinance and the Anti-Money Laundering and Counter-Terrorist Financing Ordinance (Cap. 615).
Trust Instrument and Registry Transfer
The trust instrument must identify the trust property with sufficient certainty. For carbon credits, this means specifying the credit type (e.g., VCS-certified renewable energy credits), the registry serial numbers, and the vintage years. The instrument should also grant the trustee express powers to transfer credits between registries, to retire credits on behalf of beneficiaries, and to engage in secondary market trading on platforms such as Core Climate or the Singapore-based Climate Impact X.
The transfer of credits into the trust requires the settlor to instruct the registry to re-register the credits in the name of the trustee. For Verra-registered credits, this involves submitting a transfer request through the Verra Registry, which typically takes 5-10 business days and incurs a fee of USD 0.05 per credit. The trust instrument must be executed as a deed under section 5 of the Conveyancing and Property Ordinance (Cap. 219) to ensure enforceability.
Ongoing Compliance and Reporting
The trustee must maintain a register of trust assets, including the carbon credit holdings, and report to beneficiaries at least annually. Under section 8 of the Trustee Ordinance, the trustee has a duty to invest trust assets prudently. For carbon credits, this duty extends to monitoring the credit quality—specifically, ensuring that the credits are not subject to reversal or double-counting disputes.
Hong Kong trusts holding more than HKD 1 million in assets are required to register with the Trust and Company Service Providers (TCSP) regime under the Anti-Money Laundering Ordinance. The trustee must conduct customer due diligence on the settlor and beneficiaries, including verifying the source of funds used to purchase the carbon credits. This is particularly relevant for mainland Chinese settlors, who must demonstrate that the funds were remitted through the State Administration of Foreign Exchange (SAFE) channels.
Strategic Applications: Family Offices and Corporate Treasury
The use of a Hong Kong trust for carbon credits is not limited to wealthy families. Corporate treasury centres, particularly those of Hong Kong-listed companies under the HKEX Listing Rules, are increasingly using trusts to segregate carbon credits for ESG reporting purposes.
Family Office Succession Planning
A Hong Kong trust allows a family office to hold carbon credits across generations without triggering succession duties or probate costs. The trust can be structured as a discretionary trust, where the trustee has discretion over distributions to beneficiaries. This structure is ideal for families with multiple branches, as it prevents the fragmentation of carbon credit holdings upon the death of the settlor.
For example, a family office holding 500,000 tonnes of VCS-certified credits valued at USD 10 million can structure the trust so that the income from credit sales is distributed to the settlor’s children, while the capital remains in the trust for grandchildren. The trust can also include a protector, typically a Hong Kong lawyer or accountant, who has veto power over trustee decisions regarding credit sales.
Corporate ESG Compliance and Balance Sheet Treatment
Listed companies on the Main Board of the HKEX must comply with the ESG reporting requirements under Appendix 27 of the Listing Rules, which mandate disclosure of greenhouse gas emissions and carbon credit usage. By holding carbon credits in a trust, a company can ensure that the credits are not commingled with operating assets and are available solely for offsetting the company’s emissions.
The trust structure also simplifies the accounting treatment under Hong Kong Financial Reporting Standards (HKFRS). Credits held in trust are not recognised on the company’s balance sheet, as the company is merely a beneficiary. Instead, the company recognises an expense only when it purchases the right to retire credits from the trust. This treatment avoids the volatility of revaluing carbon credits at fair value each reporting period, a requirement under HKFRS 9 if the credits were held directly as financial assets.
Actionable Takeaways for Practitioners
- A Hong Kong trust separates legal title from beneficial ownership in carbon credit registries, preventing the credits from being commingled with the settlor’s insolvency estate under the Bankruptcy Ordinance (Cap. 6).
- The territorial tax regime under the Inland Revenue Ordinance (Cap. 112) ensures that capital gains on carbon credit appreciation are not subject to Hong Kong profits tax, provided the trust does not carry on a trade.
- Trust instruments must specify carbon credits by registry serial number and vintage to satisfy the certainty of subject matter requirement under common law and the Trustee Ordinance.
- The HKEX’s Core Climate platform accepts trusts as registered holders, enabling seamless transfer and retirement of credits without exposing beneficiary identities on the public registry.
- For corporate groups, holding carbon credits in a trust avoids balance sheet volatility under HKFRS 9, as the credits are not classified as financial assets of the listed entity.