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Many expats living in Portugal continue to hold pensions, investments and property in the UK, South Africa or the US. While these assets may remain in their country of origin, their tax treatment can change once Portugal becomes their country of tax residence.
Portuguese tax rules can affect how overseas income, gains and pension withdrawals are taxed. Understanding these rules can help you assess whether your existing financial arrangements remain appropriate for your circumstances.
How Portuguese tax residency can affect overseas assets
Your existing financial arrangements may include:
- UK pensions, ISAs and Investment bonds
- South African retirement funds, endowments, investment and Tax-Free Savings Accounts (TFSAs)
- US retirement and IRA investment accounts
- Property outside Portugal
- Offshore investment portfolios
- Foreign currency savings
Tax advantages available in your home country may not apply in Portugal. Depending on the asset and your circumstances, local tax rules may affect how income, gains and withdrawals are treated.
See also: Cross-border tax in Portugal: simplified for South African expats
Common cross-border tax questions for expats in Portugal
Cross-border financial issues often arise when you:
- Draw from a pension
- Sell an investment
- Sell a property
- Retire
- Pass assets on to beneficiaries
Reviewing your financial arrangements ahead of these decisions can help you understand the potential tax implications and assess your options.
Some of the most common questions include:
- Will Portugal tax my foreign pension?
- Do my ISAs//TFSAs and IRAs retain their tax advantages?
- Can I retain my existing investment bond, endowment or private placement policy?
- Are my existing arrangements suitable for Portuguese tax efficiency?
- Could I have tax obligations in more than one country?
- Will my estate plan still work as intended?
- How will my beneficiaries inherit assets held across multiple jurisdictions?
The answers depend on your individual circumstances, residency status, the assets involved and any applicable tax treaties. Portugal's double taxation agreements may help prevent the same income from being taxed twice.
For those with financial interests in more than one country, understanding how different tax and legal systems interact is an important part of managing wealth while living abroad.
Estate planning deserves equal attention
Moving abroad can complicate estate planning, particularly when your wealth and beneficiaries are spread across different countries.
You may have:
- Property and investments in multiple countries
- Beneficiaries living overseas
- Wills drafted before you relocated
- Pension benefits subject to different rules
- Differences in inheritance tax regimes
Without proper coordination, this can create complexity for your family when the time comes to administer your estate.
When specialist guidance adds value
Living in Portugal while holding assets abroad can raise questions about tax, reporting requirements and estate planning. Reviewing your arrangements can help clarify how the relevant rules apply to your circumstances and inform decisions about your long-term wealth.
Sable International works with clients with financial interests in the UK, South Africa, the US and Europe, helping them understand the implications of living abroad for their wealth.
Complimentary wealth consultations for expats in Portugal
From 2 to 6 November 2026, Sable International's cross-border wealth specialists will offer complimentary virtual consultations for individuals and families living in Portugal with UK, South African or US financial connections.
Topics include:
- Portuguese tax residency
- Pension and retirement planning
- Estate and inheritance considerations
- Cross-border investments
- Overseas property
- Long-term wealth planning
Whether you've recently moved to Portugal or have lived there for years, a consultation is an opportunity to discuss your existing arrangements and the questions that matter to you.
Book your complimentary virtual consultation
Arrange a virtual consultation with our experienced cross-border wealth specialists to discuss your circumstances and understand how Portugal’s tax framework could affect your existing wealth arrangements. Contact us at [email protected] or call +44 (0) 20 7759 7519 to get started.
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