A common question from advisors and clients is, "Which jurisdiction to choose for corporate structuring?"
People often look at headline tax rates, but they don't tell you a huge amount about a jurisdiction on their own. Without a treaty network, income flowing into a structure can still face withholding tax of 15% to 30% at source on dividends, interest and royalties. What matters far more today is substance, governance and reporting. Good structuring rests on a clear read of treaty access, substance, home country exposure and how the structure will actually work in practice.
This article looks at three popular jurisdictions and how they compare for modern structuring. Those are the Isle of Man, Malta and the Cayman Islands.
We start with treaty access. Can a chosen structure reduce withholding tax, and will treaty benefits actually survive principal purpose test (PPT) scrutiny?
Substance comes next. The economic substance regime in the chosen jurisdiction sets a floor. On top of that sit the client's home country rules, including those on controlled foreign companies and on management and control. The structure has to satisfy both the local regime and the home country rules, and keep satisfying them over time. GAARs and exit charges can reach a structure wherever it sits, so the home country position needs to be understood from the start.
Then there is how the structure runs day to day. That covers banking access, lender requirements, reporting under CRS and FATCA, beneficial ownership disclosure, annual filings and governance. Most structures fail here, in administration.
Finally, think about the exit. A structure that is cheap to set up can be expensive to unwind. Unwind costs, options for redomiciliation and how well a structure copes with a change of regime are all worth weighing before you commit.
Malta is a clear leader here. As an EU member, it has full access to the EU Parent and Subsidiary Directive and the Interest and Royalties Directive, and it has built a network of more than 80 double taxation treaties, most based on the OECD Model Convention. Malta charges no withholding tax on outbound dividends, interest or royalties, which makes moving profits out of the structure efficient.
The Isle of Man has a limited treaty network. That makes it a better fit for structures where withholding tax relief is not the main goal, such as holding assets connected to the UK. The Cayman Islands has no treaty network at all. That rarely matters for its core use, which is fund and pooling structures where neutrality counts for more than treaty access, and the market data backs this up.
One point applies everywhere. Treaty benefits still have to survive PPT scrutiny. A structure that claims directive or treaty relief without a real commercial reason behind it, and without genuine substance, is increasingly likely to be challenged.
All three jurisdictions run economic substance regimes, and none of them is a rubber stamp.
The Isle of Man's regime is well understood and can be met through real administration and governance carried out on the island. Malta sets a high bar for substance, especially where treaty and directive claims have to stand up to PPT requirements. In the Cayman Islands, economic substance rules apply across the board, and pure equity holding companies face a lighter test that is still a genuine one.
The wider point is that substance is not a formality anywhere. In practice, that means directors who genuinely run the company, with the decision making and administration visibly happening in the jurisdiction and able to withstand inspection.
On headline rates, the three look similar at first glance.
The Isle of Man has a standard corporate tax rate of 0%, with no capital gains tax and no withholding tax on dividends. Higher rates apply to certain banking and large retail profits, and to Manx land and property income. On top of this, multinational groups with consolidated revenue of EUR 750 million or more have come within the island's 15% Domestic Top-up Tax for fiscal years beginning on or after 1 January 2025.
The Cayman Islands has no corporate income tax, no capital gains tax and no withholding taxes of any kind.
Malta works differently. Its headline corporate rate is 35%. A participation exemption then relieves qualifying dividends and gains in full, and the shareholder refund system brings the effective rate right down, often to around 5% on distributed trading profits. The result is a competitive holding company regime that sits inside the EU.
Because Malta is in the EU, its regime comes with directive access and treaty protection that a zero tax jurisdiction cannot offer. It also comes with heavier compliance, including the extension of reporting to digital assets under DAC8.
The Isle of Man suits the holding of assets connected to the UK, and structures where lender confidence matters more than treaty relief. Banks and lenders know and trust the island, which is a real advantage when a structure needs financing. Malta suits structures that need access to the EU directives and treaty protection, with the added credibility of a European base. Cayman suits institutional fund and pooling structures where tax neutrality and investor familiarity come first.
The Cayman numbers show why it holds this position. Funds regulated by CIMA passed 31,000 in mid 2026, including more than 18,000 private funds, a rise of more than 40% since 2020. A 2026 AIMA survey found that 56% of emerging hedge fund managers place their flagship fund in Cayman.
Across all three, the same thing holds. A structure only works if it is administered properly for the long term.
We administer holding structures across the Isle of Man, Malta and the Cayman Islands. We provide the substance, governance and reporting infrastructure that makes those structures hold up in practice, and we work alongside your existing tax and legal advisers to do it.
To find out more, get in touch with our team at info@affinityco.com.
This content is for general information only and does not amount to tax or legal advice. Please take professional advice before acting on anything covered here.
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Affinity Group, Second Floor, 14 Athol Street, Douglas, Isle of Man, IM1 1JA.
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