Substance Requirements for Offshore Structures: New Rules Post-BEPS

For decades, it was common practice for multinationals and wealthy individuals to incorporate companies in low-tax jurisdictions — the Cayman Islands, BVI, Bermuda, Jersey, and others — with little or no actual presence there, and claim that the company was tax-resident in that jurisdiction. The OECD's Base Erosion and Profit Shifting (BEPS) project, launched in 2013 and producing its major outputs in 2015, ended that era.

The substance requirements that have emerged from BEPS — implemented through national legislation across virtually every significant jurisdiction — now require that companies claiming the benefits of a particular tax jurisdiction must have genuine economic presence there. Understanding what substance means, what it requires, and what the consequences of failing to meet it are, is essential for any HNW investor or business owner using or considering offshore structures.

All information reflects the position as of 2026. Substance rules evolve and are enforced unevenly. Professional legal advice is essential.

Why BEPS Happened

The financial crisis of 2008-2009, combined with a wave of investigative reporting about multinational tax arrangements (Irish "Double Irish," Dutch "sandwich" structures, and similar), created intense political pressure on governments to act. The G20 commissioned the OECD to develop a comprehensive framework to tackle Base Erosion and Profit Shifting — the practice of moving taxable profits from high-tax jurisdictions where economic activity genuinely occurs, to low-tax or no-tax jurisdictions where it does not.

The OECD's BEPS Action Plan covered 15 areas, including:

• Controlled Foreign Company (CFC) rules
• Interest deductions and other financial payments
• Treaty shopping (preventing access to treaty benefits where there is no genuine economic nexus)
• Transfer pricing
• Country-by-country reporting
• Action 5: Countering harmful tax practices — the action directly relevant to substance requirements

Action 5 required jurisdictions participating in the BEPS framework (which covers virtually all major economies) to ensure that preferential tax regimes offered to companies actually require substantial activities in the jurisdiction. A zero-tax rate or exemption that applies regardless of whether the company does anything real in the jurisdiction is a "harmful tax practice."

The Economic Substance Requirements: What They Mean

Following BEPS Action 5, the OECD worked with offshore financial centres (particularly the British Overseas Territories, Crown Dependencies, and other jurisdictions on the EU's list of non-cooperative jurisdictions) to implement domestic economic substance legislation.

By 2019, all major offshore financial centres — Cayman Islands, BVI, Bermuda, Jersey, Guernsey, Isle of Man, Bahamas, and others — had enacted economic substance legislation.

Core Substance Requirements

The legislation in most jurisdictions follows a similar structure. A company conducting a "relevant activity" must satisfy a three-part test:

1. Managed and directed in the jurisdiction — the company's strategic decisions must be made by a majority of directors meeting in the jurisdiction. Board meetings held by telephone from elsewhere, or "director services" provided by non-resident professionals without genuine decision-making authority, are insufficient.

2. Core income-generating activities (CIGA) in the jurisdiction — the activities that generate the company's income must actually take place there. For different types of businesses, CIGA is defined specifically:

   • Banking: credit risk management, hedging, loan origination decisions, interest income collection
   • Insurance: risk assessment, underwriting decisions
   • Fund management: taking investment decisions, managing risk
   • Headquarters: key management decisions, expenditure on goods and services

3. Adequate employees, premises, and expenditure in the jurisdiction — there must be real resources: qualified employees (or outsourced qualified resources), physical offices, and appropriate levels of expenditure in the jurisdiction.

The Holding Company Exception

For pure equity holding companies — companies that hold shares in other companies and receive dividends and capital gains from those holdings, without any active trading or management — the substance requirements are lighter. Such companies must:

• Be managed and directed in the jurisdiction (genuinely — not just on paper)
• Comply with legal reporting and filing requirements
• Have adequate people and premises for managing the holding activity

This lighter test recognises that a genuine passive holding company may not need staff or offices beyond what is needed to manage and report its shareholdings. However, "management and direction" must still be genuine.

What Is a "Relevant Activity"?

The types of business that trigger full substance requirements (not just the lighter holding company test) vary slightly by jurisdiction but typically include:

• Banking
• Insurance
• Fund management
• Financing and leasing
• Headquarters businesses (providing group-level services)
• Shipping
• Distribution and service centre businesses
• Intellectual property businesses

A company that is simply a passive holding company (owning shares, not providing services or managing IP) typically only needs to meet the lighter management and direction standard.

Impact on Common Offshore Structures

Holding Companies

The most common use of offshore jurisdictions for HNW investors is holding companies that hold shares in operating businesses or investment portfolios. These are typically classified as holding companies under the economic substance rules, subject only to the lighter management and direction test.

In practice, meeting this lighter test requires:

• A majority of the board (minimum two directors) being present in the jurisdiction at board meetings
• Actual board meetings, with minutes, at which genuine business decisions are made
• Those directors having authority to bind the company, not just acting as signing agents
• Adequate records maintained in the jurisdiction

This is achievable with properly engaged local registered agents and non-executive directors in the jurisdiction. But the "paper director" services that proliferated before BEPS — where nominee directors signed documents without any real understanding or authority — are now dangerous and likely insufficient.

Fund Structures

For funds — particularly private equity and hedge funds — the substance requirements around investment decision-making create real challenges for managers based outside the fund's jurisdiction.

In Cayman, for example, a Cayman-registered fund managed by a London or New York fund manager is unlikely to be "managed and directed" in Cayman in the sense required by economic substance rules. The response of most fund structures is:

• Not claiming Cayman tax residency for substance purposes — instead, treating the fund as transparently managed from the home jurisdiction of the manager
• Using separate Cayman vehicles (exempt companies, STAR trusts) for specific purposes where Cayman treatment is desired
• Moving management substance to Cayman where genuine investment management presence is established

IP Holding Companies

Intellectual property holding companies — structures that held valuable patents, trademarks, or other IP in low-tax jurisdictions and licensed them back to operating companies — were among the primary targets of BEPS Action 5. The "nexus approach" now requires that for a low-tax regime to apply to IP income, the related R&D must have been carried out in the jurisdiction claiming the tax benefit. Structures with IP housed in Cayman, BVI, or similar purely to avoid tax on royalty income are generally no longer viable.

Enforcement and Consequences

Reporting Requirements

Companies in BEPS-implementing jurisdictions must file substance declarations annually. These declarations are shared with the tax authorities of the jurisdiction's partner countries under the OECD's automatic exchange of information framework. HMRC, the IRS, and equivalent bodies can request details of substance declarations for companies they believe are owned by their residents.

Failure to Satisfy Substance

The consequences of failing to meet economic substance requirements vary by jurisdiction but typically include:

• Significant financial penalties (BVI penalties can run to $200,000+; Cayman penalties are also substantial)
• Referral of information to the investor's home tax authority
• Potential reclassification of the company as tax-resident elsewhere (in the investor's home country), triggering full domestic tax on income and gains
• Deregistration of the company

In the home country, the consequences can be even more serious: HMRC can use CFC rules to attribute the company's profits to UK shareholders, denying the offshore tax benefit entirely and potentially imposing penalties for the mismatch.

HMRC's Approach

HMRC receives substance declarations from offshore jurisdictions under automatic exchange of information. Where a company claims residence in (say) a Caribbean jurisdiction but the shareholder is UK-resident and no genuine management activities occur in the Caribbean, HMRC will challenge whether the company has any UK tax exposure via the CFC rules or the Transfer of Assets Abroad legislation.

What Legitimate Substance Looks Like in 2026

Legitimate offshore corporate structures in 2026 have several characteristics:

• Real directors — individuals who are genuinely present in the jurisdiction, attend meetings, have the expertise to make decisions, and have authority to bind the company
• Regular meetings — documented board meetings with substantive agendas and genuine decision-making
• Local administrative presence — a genuine registered office (not just a mailing address), proper records, and ideally a physical office in the jurisdiction
• Commercial rationale — a credible explanation, beyond tax saving, for why the company is domiciled in the jurisdiction
• Proportionate resources — the scale of employees, premises, and expenditure should be proportionate to the company's activities

For high-value structures, engaging independent local directors with genuine expertise in the relevant industry, backed by proper governance, is the standard approach.

The Future: Pillar Two and Further Pressure

BEPS Action outcomes were followed by further developments. The OECD Pillar Two framework — a global minimum corporate tax rate of 15% on the profits of large multinationals — applies to groups with revenues above €750 million. While this is primarily aimed at large corporations rather than individual investors, it further reduces the attractiveness of low-tax jurisdictions for business income.

The broader trend is clear: the era of offshore structures generating tax benefits without genuine economic presence is over. The future of legitimate offshore planning is structures that have real substance, real commercial purpose, and real compliance obligations — and that deliver value through tax neutrality, legal flexibility, or succession planning benefits rather than through artificial tax avoidance.

How Global Investments Can Help

Global Investments helps clients assess whether existing offshore structures meet current economic substance requirements, and advises on how to remediate structures that may be deficient. We work with specialist legal counsel in the relevant jurisdictions and with HMRC specialists to ensure structures are defensible and compliant.

We can also advise on the commercial alternatives to offshore structures — including UK-based family investment companies, onshore trusts, and offshore bonds — that may achieve similar objectives with less complexity and regulatory risk. Contact us for a confidential review.

This article is for information only. Substance rules are complex, rapidly evolving, and enforcement-intensive. Always seek specialist legal and tax advice before implementing or maintaining offshore structures.