Offshore Trusts: Cayman, BVI, Jersey and Guernsey Structures Explained

Why Offshore Trusts Remain a Central Wealth Planning Tool

For internationally mobile high-net-worth families, an offshore discretionary trust remains one of the most versatile and enduring wealth planning structures available. The term "offshore" is sometimes used disparagingly, but the legitimate uses of offshore trust structures are well established and widely used by sophisticated families and their advisers worldwide.

An offshore trust:

• Holds assets outside any single national estate, avoiding probate in multiple jurisdictions
• Provides a flexible, professionally managed vehicle for multi-generational wealth transfer
• Can hold diverse asset classes — listed securities, private company shares, real estate through subsidiary structures, life policies, cash
• Offers robust asset protection in well-regarded jurisdictions with mature legal frameworks
• Can be structured as an excluded property trust for UK non-domiciliaries, keeping assets outside UK inheritance tax

The four most widely used trust jurisdictions for internationally mobile families with UK connections are Jersey, Guernsey, the Cayman Islands, and the British Virgin Islands. Each has distinct characteristics, legal traditions, and practical applications.

All information in this guide reflects the position as of 2026. Tax, regulatory, and legal rules change frequently — always seek specialist professional advice.

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Jersey

Legal Framework

Jersey is a Crown Dependency of the United Kingdom, with its own parliament (the States of Jersey), legal system, and tax authority. It is not part of the UK and is not a member of the EU. Jersey's trust law is codified in the Trusts (Jersey) Law 1984 (TJL), which has been significantly amended and updated — most recently in 2018.

The TJL is regarded as one of the most sophisticated and settlor-friendly trust statutes in the world. Key features include:

• Firewall provisions: The TJL explicitly provides that Jersey trust law governs matters of trust validity, administration, and interpretation, regardless of whether foreign courts may seek to apply different rules. This is particularly valuable in resisting forced heirship attacks from civil-law countries.
• Forced heirship protection: Article 8A of the TJL specifically provides that Jersey-governed trusts are not invalidated by the forced heirship laws of another jurisdiction.
• Customisation: The TJL allows wide exclusion and modification of default trustee duties, enabling sophisticated structures.
• Foundations: Jersey also offers the foundation (Foundations (Jersey) Law 2009), a civil-law-compatible structure useful for settlors from civil-law countries.
• Purpose trusts: The TJL permits trusts for non-charitable purposes (purpose trusts), useful for holding special purpose vehicles.

Regulatory Environment

Jersey's financial services industry is regulated by the Jersey Financial Services Commission (JFSC). Trust company businesses must be licensed and are subject to rigorous AML/CDD obligations. The Channel Islands AIFMD extension and the UK's international agreements with Jersey ensure that Jersey trusts are broadly recognised in major financial centres.

Jersey has signed automatic exchange of information agreements (AEOI) under the OECD Common Reporting Standard (CRS). Jersey trustees report to JFSC, which exchanges information with tax authorities in signatory countries. Jersey is not a secrecy jurisdiction; it is a transparent, well-regulated financial centre.

Typical Uses

• Excluded property trusts for UK non-domiciliaries
• Multi-generational family wealth holding
• School fees and beneficiary provision structures
• International estate planning for families with UK, Middle Eastern, and Asian connections
• Private trust companies (PTCs) for very large family offices

Costs

Jersey trust administration costs typically range from £8,000 to £25,000 per year for a standard structure, depending on assets under management and complexity. Formation costs (legal fees, duty) add a further one-off cost.

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Guernsey

Legal Framework

Guernsey is also a Crown Dependency, with its own legal system and trust law under the Trusts (Guernsey) Law 2007. The 2007 Law modernised Guernsey's trust framework and is broadly similar to Jersey's TJL in its key features:

• Firewall provisions protecting against foreign succession law claims
• Flexible trustee powers and trust customisation
• Purpose trust provisions (the Guernsey STAR equivalent, under Art 15 of the 2007 Law)
• Foundations available under the Foundations (Guernsey) Law 2012

Guernsey has historically been particularly active in the insurance-linked trust sector and is a leading domicile for captive insurance and protected cell company (PCC) structures, sometimes used within trust and wealth planning contexts.

Regulatory Environment

The Guernsey Financial Services Commission (GFSC) regulates trust company businesses. Guernsey participates fully in CRS and has concluded a UK TIEA (Tax Information Exchange Agreement). It is on the OECD's white list of jurisdictions that comply with international tax standards.

Distinctions from Jersey

In practice, Jersey and Guernsey are very similar for most trust planning purposes. The choice between them is often driven by:

• Existing trustee relationships (advisers may prefer one over the other)
• The specific assets held (Guernsey may have advantages for certain insurance structures)
• Family and adviser connections
• Regulatory nuances in specific investment types

For UK-connected families, both are equally well regarded and accepted by HMRC as offshore trust jurisdictions.

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The Cayman Islands

Legal Framework

The Cayman Islands are a British Overseas Territory with a sophisticated legal system based on English common law, supplemented by local legislation. Trust law is governed by the Trusts Law (2021 Revision), which incorporates the Special Trusts (Alternative Regime) Law — producing the Cayman STAR trust.

The Cayman STAR trust can be structured as a purpose trust (without beneficiaries in the traditional sense), or as a hybrid trust with both a purpose and beneficiaries. It must have an "enforcer" — a person or entity with standing to enforce the trust's purposes. STAR trusts are widely used to hold special purpose vehicles (SPVs), private equity interests, or as the holding structure for a private trust company (PTC).

Cayman trusts also benefit from:

• Strong exempted trust provisions (VISTA, by contrast, is a BVI concept — see below)
• Strong confidentiality provisions (no public trust register)
• No local income tax, capital gains tax, or inheritance tax
• Highly developed courts (Financial Services Division of the Grand Court of the Cayman Islands) with experienced trust judiciary

Regulatory Environment

Cayman's regulatory framework is overseen by the Cayman Islands Monetary Authority (CIMA). Cayman participates in CRS and FATCA. It has been subject to scrutiny from EU and UK "blacklist" exercises but has consistently taken corrective action when required — it is currently on the EU's "white list" for tax cooperation.

In 2021, Cayman was added temporarily to the FATF "grey list" (enhanced monitoring), which caused some practical difficulties for Cayman-managed funds and trusts. By 2024 it had exited the grey list following remediation. The episode was a reminder that regulatory status can change.

Typical Uses

• Larger family trusts (typically £50m+ or $50m+) where institutional infrastructure is valued
• Private equity and alternative investment holding structures
• Private trust companies
• STAR purpose trusts for holding SPVs
• Family office structures for Middle Eastern, Asian, and Latin American families

Costs

Cayman trust administration is typically more expensive than Jersey or Guernsey — annual fees of $20,000 to $50,000+ for complex structures are not unusual. Regulatory filing fees and legal costs add to this. Cayman is generally appropriate for larger structures where the complexity and scale justify the cost.

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British Virgin Islands (BVI)

Legal Framework

The BVI is a British Overseas Territory with its own legal system based on English common law. Trust law is governed by the Trustee Act 1961 (as amended) and, more significantly, the Virgin Islands Special Trusts Act 2003 (VISTA).

The VISTA trust is the BVI's most distinctive and innovative contribution to international trust law. It was designed specifically to hold shares in BVI companies (BVI Business Companies — BVIBCs) and to address the tension between trust law's requirement for prudent trustee investment and the reality that family business founders want to retain management control.

Under VISTA:

• The trustee holds shares in a designated company but is excluded from the duty to interfere in the management of the company
• Control of the underlying company is exercised by the board of directors (often the settlor or family members) rather than the trustee
• The trustee's role is custodial — holding the shares, distributing dividends as directed, and safeguarding the trust

This makes VISTA particularly suited to holding private company shares where the settlor wants to retain operational control of the business while removing the shares from the estate for succession purposes.

Regulatory Environment

The BVI Financial Services Commission (FSC) regulates trust and company service providers. BVI participates in CRS and FATCA. Like Cayman, BVI has faced EU scrutiny over tax transparency and has taken steps to comply with international standards.

BVI's company law (the BVI Business Companies Act 2004) is one of the most widely used company law regimes in the world — BVIBCs are commonly used as holding vehicles within Jersey or Guernsey trust structures, or within Cayman-governed trust structures.

Typical Uses

• VISTA trusts to hold private company shares
• BVIBCs as underlying holding companies within Jersey or Guernsey trusts
• Simple, low-cost asset holding structures
• Intermediate holding vehicles in multi-layered international structures

Costs

BVI trust administration costs are generally lower than Cayman but comparable to Jersey/Guernsey. BVIBCs are low-cost to incorporate and maintain.

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Common Structural Patterns

For large, internationally mobile HNW families, a typical offshore trust structure might look like this:

• Jersey or Guernsey discretionary trust (trust deed governed by Channel Islands law)
  • Holding a BVI holding company (BVIBC)
    • Which holds investment portfolios (managed by a global private bank)
    • Which holds shares in operating companies in various jurisdictions
    • Which holds real estate in Europe through local SPVs
  • Also holding life insurance policies directly
  • Also holding liquid assets in a trust bank account

The trust has a protector (often the family's legal adviser or a trusted individual), trustees who are a licensed Channel Islands trust company, and a detailed letter of wishes from the settlor.

This layered structure provides: a single governing framework (Jersey or Guernsey trust law), asset protection from the settlor's jurisdiction, exclusion from UK IHT (for non-UK domiciliaries), flexibility in distributions, and orderly succession planning.

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UK Tax Considerations for Offshore Trusts

For UK-resident or UK-domiciled beneficiaries and settlors, offshore trusts have significant UK tax implications that must be carefully managed:

• Non-UK-domiciled / non-long-term-resident settlors: Since 6 April 2025 the UK's IHT regime is residence-based — the old "domicile" and "deemed domicile" tests were abolished and replaced by a "long-term resident" test (broadly, UK-resident for at least 10 of the previous 20 tax years). The excluded-property status of assets in an offshore trust now turns on the settlor's long-term-resident status at the relevant time rather than on domicile. Trusts settled while the settlor is not a long-term resident can hold non-UK assets as excluded property; specialist advice is essential given the transitional rules.
• Settlor-interested trusts: Where the settlor can benefit from the trust, income is taxed as the settlor's income in the UK; gains realised in the trust may be attributed to the settlor under the "s.86 TCGA" rules.
• Transfer of assets abroad: s.720–730 ITA 2007 can attribute trust income to a UK-resident settlor where they have a power to enjoy the income.
• Beneficiary charges: When a UK-resident beneficiary receives income from an offshore trust, it may be taxed as their income at their marginal rate.

These rules are complex and interact with each other. Specialist UK tax advice is essential before settling any offshore trust.

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How Global Investments Can Help

Global Investments has extensive experience advising internationally mobile HNW families on offshore trust structuring across Jersey, Guernsey, Cayman, and BVI. We can help you assess which jurisdiction is most appropriate for your circumstances, coordinate with trust lawyers and professional trustees, and manage the underlying investment portfolio.

Our advisers navigate the complex UK and international tax rules applicable to offshore trusts, helping you structure your arrangements correctly from the outset.

Contact us to discuss your offshore trust planning needs.

This guide is for general information only and does not constitute legal or tax advice. Rules applicable to offshore trusts are complex and change frequently. Always seek specialist advice in each relevant jurisdiction before proceeding. As of 2026.