Golden Visas and Tax Residence in Cross-Border Tax Planning: Tax Implications of Investment Migration Programmes

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The 2025-2026 fiscal year marks a pivotal moment for the intersection of investment migration and tax residence. The European Union’s continued pressure on its member states to phase out golden visa programmes, coupled with the UK’s final closure of its non-domiciled (non-dom) tax regime from April 2025, has redirected a significant flow of capital and high-net-worth (HNW) individuals toward jurisdictions like Portugal, Greece, Malta, and the United Arab Emirates. Simultaneously, the Hong Kong Inland Revenue Department (IRD) has sharpened its focus on what constitutes “ordinarily resident” status for tax purposes, particularly for individuals holding multiple residence permits. The 2024-25 Hong Kong Budget introduced no changes to the territorial source principle, but the IRD’s increased scrutiny of extended absences and the “days present” test for individuals with golden visas has created a new layer of complexity. For the cross-border tax planner, the core question is no longer merely where to obtain a residence permit, but how the tax treatment of that permit interacts with the client’s existing tax domicile, exit tax exposure, and future estate planning. This article examines the specific tax implications of the most common golden visa and investment migration programmes, focusing on the critical distinction between actual tax residence and the legal status of a residence permit.

The Fundamental Distinction: Residence Permit vs. Tax Residence

The single most common error in cross-border planning for investment migration clients is conflating a residence permit with tax residence. A golden visa grants the right to live, work, or study in a country, and often a pathway to citizenship. Tax residence, however, is determined by a separate set of statutory tests—primarily the number of days spent in the jurisdiction and the location of the individual’s “habitual abode” or “centre of vital interests.”

The Hong Kong Position: The “Ordinarily Resident” Test

Under the Inland Revenue Ordinance (Cap. 112), Section 8(1)(a)(i), a person is chargeable to salaries tax in Hong Kong if they “derive income arising in or derived from Hong Kong” from any employment. The test for whether an individual is “ordinarily resident” in Hong Kong is distinct from whether they hold a visa. The Court of Final Appeal in Commissioner of Inland Revenue v. Zeta (2022) 25 HKCFAR 1 clarified that “ordinarily resident” requires a habitual mode of life in Hong Kong, not merely a legal right to be present. For a client holding a Portuguese golden visa who spends 183 days a year in Hong Kong, the IRD will treat them as a Hong Kong tax resident for salaries tax purposes, regardless of their Portuguese visa status. The golden visa does not override the territorial source principle; it merely provides a legal basis for presence in Portugal.

The US-HK Treaty Tie-Breaker

For US citizens or Green Card holders living in Hong Kong who also hold a golden visa, the US-Hong Kong Tax Information Exchange Agreement (TIEA) does not include a comprehensive “tie-breaker” rule like Article 4 of the US-China Tax Treaty. Instead, the US relies on its worldwide taxation system under IRC § 61. A US citizen holding a Maltese golden visa who becomes a Maltese tax resident under the 90-day rule (see below) must still file US Form 1040 and report worldwide income. The golden visa does not extinguish US tax obligations. The tie-breaker analysis under the US-Malta Tax Treaty (Article 4(2)) looks to the individual’s permanent home, centre of vital interests, and habitual abode. A client who maintains a home in Hong Kong, a second home in Malta under the golden visa, and a US passport will likely remain a US tax resident unless they can demonstrate their centre of vital interests has shifted to Malta or Hong Kong. This requires a detailed factual analysis, not merely a visa stamp.

Programme-Specific Tax Implications: Portugal, Greece, Malta, and the UAE

Each golden visa programme carries distinct tax residence rules that directly affect the client’s global tax profile. The planner must map the visa’s days-present threshold against the client’s existing tax residence in Hong Kong, the US, or Mainland China.

Portugal: The 183-Day Rule and the Non-Habitual Resident (NHR) Regime

Portugal’s Golden Visa (ARI) programme, as amended in 2023, no longer allows direct real estate investment as a qualifying route, but remains open for fund investments and capital transfers. The critical tax residence rule under Portuguese domestic law is the 183-day test: an individual is a tax resident if they spend 183 days or more in Portugal in any 12-month period, or if they maintain a habitual abode in Portugal on December 31 of a given year.

For the Hong Kong-based client, the risk is accidental Portuguese tax residence. A client who purchases a property in Portugal under the pre-2023 rules and spends 150 days in Portugal, but also maintains a home in Hong Kong, may not trigger Portuguese residence. However, if they spend 200 days in Portugal, they become a Portuguese tax resident. The Non-Habitual Resident (NHR) regime, which offers a 10-year flat 20% income tax rate on Portuguese-source income and exemption on most foreign-source income (including Hong Kong salaries), is only available to new tax residents. The golden visa itself does not grant NHR status; the client must separately apply for NHR registration with the Portuguese Tax Authority (Autoridade Tributária). The interaction with Hong Kong is straightforward: the Hong Kong IRD will not tax income sourced in Portugal, and the Portugal-Hong Kong Double Taxation Agreement (DTA) (signed 2018, in force 2019) provides that employment income is taxable where the employment is exercised. A client working remotely for a Hong Kong employer while in Portugal faces a potential dual claim: Portugal may assert taxing rights under the 183-day rule, while Hong Kong retains taxing rights under the territorial source principle. The DTA Article 14 (Income from Employment) resolves this by giving the taxing right to the state where the employment is physically exercised. The client must therefore track their physical presence days meticulously.

Greece: The 183-Day Rule and the “Non-Dom” Equivalent

Greece’s Golden Visa programme, which requires a minimum real estate investment of EUR 250,000 (raised to EUR 400,000 in certain areas from August 2024), grants a five-year residence permit. The tax residence rule is the same 183-day test under Greek Law 4172/2013. However, Greece offers a “non-dom” equivalent regime for new tax residents: Law 4646/2019 provides for an alternative lump-sum tax of EUR 100,000 per year for up to 15 years, covering worldwide income. This is available to individuals who transfer their tax residence to Greece, regardless of whether they hold a golden visa.

For the Hong Kong-based HNW client, the Greek non-dom regime can be a powerful tool for sheltering non-Greek source income. The client must spend at least 183 days in Greece to become a tax resident, then apply for the lump-sum regime. The golden visa provides the legal basis for the stay, but the tax residence is triggered by physical presence. The client must also consider the US exit tax under IRC § 877A. A US citizen who becomes a Greek tax resident and spends 183 days in Greece may still be a US tax resident under the substantial presence test (IRC § 7701(b)(3)) if they also spend more than 30 days in the US in the current year and meet the 183-day formula over a three-year period. The golden visa does not affect this calculation.

Malta: The 90-Day Rule and the Global Residence Programme

Malta’s Golden Visa (Malta Permanent Residence Programme, MPRP) requires a qualifying investment of EUR 150,000 in government bonds or a property lease of EUR 10,000 per year. The unique feature is Malta’s 90-day tax residence rule: under Maltese domestic law, an individual is not a tax resident if they spend fewer than 183 days in Malta, provided they do not own a property in Malta (or own one but do not occupy it as a habitual abode). This contrasts with the standard 183-day rule in most EU jurisdictions.

For the Hong Kong-based client, the 90-day rule creates a planning opportunity. A client who spends 150 days in Malta, does not own a property there, and maintains their centre of vital interests in Hong Kong may avoid Maltese tax residence entirely. However, the Malta-Hong Kong DTA (signed 2017, in force 2018) contains a standard tie-breaker in Article 4(2), looking to the permanent home, centre of vital interests, and habitual abode. A client who spends 150 days in Malta and 150 days in Hong Kong may trigger a tie-breaker analysis. The IRD will apply the Hong Kong territorial source principle, while the Maltese Tax Authority will apply its domestic 90-day rule. The DTA resolves this by giving the taxing right to the state of the client’s “centre of vital interests.” For a client whose family, business, and social connections remain in Hong Kong, the centre of vital interests is likely Hong Kong, despite the golden visa.

United Arab Emirates: The 90-Day Rule and the “Zero-Tax” Regime

The UAE’s Golden Visa, offering a 10-year renewable residence permit for investments of AED 2 million (approximately USD 545,000) in real estate or a qualifying business, has become the most popular alternative for Hong Kong-based clients seeking a zero-tax environment. The UAE has no federal income tax on individuals (except for the 9% corporate tax introduced from June 2023 for businesses). The tax residence rule under UAE law is 90 days in a 12-month period, or 183 days if the individual has a “principal place of residence” in the UAE.

The planning opportunity is significant. A Hong Kong-based client who spends 90 days in the UAE and 183 days in Hong Kong will be a UAE tax resident (under the 90-day rule) and a Hong Kong tax resident (under the 183-day rule). The UAE-Hong Kong DTA (signed 2018, in force 2019) provides a tie-breaker in Article 4(2) based on the permanent home and centre of vital interests. The client must demonstrate that the UAE is their centre of vital interests—for example, by maintaining a property, bank accounts, business interests, and family in the UAE. If the client’s centre of vital interests is Hong Kong, the DTA gives Hong Kong the taxing right on Hong Kong-source income. The UAE will not tax the client’s foreign-source income, but the client must still file a UAE tax return (if required under the new corporate tax rules) and maintain proper records. The golden visa provides the legal basis for the 90-day stay, but the tax residence analysis is separate.

Exit Tax Exposure for Golden Visa Migrants

A critical and often overlooked implication of investment migration is the potential for an exit tax event when the client changes their tax residence. For US citizens and Green Card holders, the exit tax under IRC § 877A applies to individuals who relinquish their US citizenship or Green Card and have a net worth exceeding USD 2 million, or an average annual net income tax liability exceeding USD 201,000 (2024 threshold, adjusted for inflation). A client who obtains a golden visa in Malta or Portugal and subsequently renounces their US citizenship faces a deemed sale of all their worldwide assets at fair market value.

The Hong Kong Connection: No Exit Tax, but Substantial Presence

Hong Kong has no exit tax. A client who moves from Hong Kong to Portugal or Malta is not subject to a deemed disposition in Hong Kong. However, the client must consider the US exit tax if they are a US citizen. The golden visa itself does not trigger the exit tax; the trigger is the renunciation of US citizenship or the long-term Green Card. The client’s tax planning must therefore sequence the golden visa application with the exit tax analysis. For a US citizen holding a Maltese golden visa, the optimal strategy may be to first become a Maltese tax resident (spending 183 days in Malta), then apply for Maltese citizenship after five years, and only then renounce US citizenship. This ensures the client has a second passport and a clear tax residence before the exit tax event.

The Mainland China Connection: Article 4 of the US-China Tax Treaty

For clients who are residents of Mainland China (i.e., Chinese citizens domiciled in China) and who hold a golden visa in another jurisdiction, the US-China Tax Treaty Article 4 (Resident) provides the tie-breaker. A Chinese citizen who obtains a Portuguese golden visa and spends 183 days in Portugal will be a Portuguese tax resident under domestic law, but the treaty tie-breaker may assign residence to China if their centre of vital interests remains there. The golden visa does not override the treaty. The client must file a Chinese individual income tax return (IIT) and report worldwide income if they are a Chinese tax resident under the 183-day rule (Individual Income Tax Law, Article 1). The golden visa may provide a legal pathway to non-residence, but the physical presence test overrides it.

Actionable Takeaways

Map the visa’s days-present threshold against the client’s existing tax residence. A golden visa in Malta (90-day rule) or UAE (90-day rule) may not trigger tax residence; a golden visa in Portugal (183-day rule) almost certainly will.
Document the client’s centre of vital interests. For a Hong Kong-based client holding a golden visa, maintain a contemporaneous record of physical presence days in each jurisdiction, property ownership, family location, and business operations to support the tie-breaker analysis under the relevant DTA.
Sequence the golden visa application with the exit tax analysis for US citizens. Do not renounce US citizenship before the golden visa and tax residence are firmly established; the exit tax under IRC § 877A may apply regardless of the visa status.
Verify whether the golden visa programme grants access to a beneficial tax regime. Portugal’s NHR and Greece’s non-dom lump-sum regime are separate applications; the golden visa itself does not confer these benefits.
Review the DTA between the golden visa jurisdiction and the client’s current tax residence. The treaty may override domestic law and assign residence to the jurisdiction with the client’s centre of vital interests, regardless of the golden visa.

本文不構成稅務建議。涉及個人稅務情況請諮詢持牌會計師或稅務師。
This does not constitute tax advice. Consult a licensed CPA or tax advisor for your specific situation.