Tax Residency
Substantial presence test: are your US days making you a US tax resident?
Sixty days in the US this year. Clean, right? On my reading, the IRS formula says otherwise if you also…
Topic Guide
Tax Residency
Tax residency rules, the 183-day test, and substance requirements for entrepreneurs operating across Singapore, Hong Kong, and the UAE.
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Tax Residency
Physical presence test for the FEIE: the 330-day rule for US expats
A US citizen who moved abroad mid-year and filed their first Form 2555 without counting their days correctly will recognize…
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Tax Residency
Hong Kong Crypto Tax Policy 2026: 0% Capital Gains on Bitcoin and What It Means for Investors
Hong Kong crypto tax treatment in 2026 sits in an unusual position globally: capital gains on Bitcoin and other virtual…
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Tax Residency
Portugal NHR Regime 2026: Is It Still Worth It After the Recent Changes
On 1 April 2025, Portugal permanently closed the original Non-Habitual Resident (NHR) regime to new applicants. If you are researching…
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Tax Residency
International Tax Residency for Digital Entrepreneurs (2026)
A founder I advised last year had spent 160 days in Singapore, 90 days in Dubai, and three weeks in…
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Tax Residency
Dubai Residency Visa for Entrepreneurs: Tax Implications and Setup Process
Most service providers who help you obtain a Dubai residency visa stop at the approval email. They hand you the…
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Tax Residency
Singapore Tax Residency for Expats: Rules, Benefits, and Common Mistakes
The gap between Singapore’s progressive tax rates and its flat non-resident rates is wider than most expats expect. A foreign…
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Tax Residency
The 183-Day Rule Explained: How Tax Residency Really Works Across Jurisdictions
Singapore’s 183-day rule creates individual income tax residency. Hong Kong has no equivalent 183-day rule for individuals. The UAE’s 183-day…
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Tax Residency
Tax Residency for Mobile Founders: 2026 Decision Framework
Globally mobile founders are increasingly caught in a tax residency trap of their own making. You build a company in…
