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Expert DTA support to prevent double taxation across countries
Managing your income across borders can be tricky. A tax strategy that covers both your new home and your old one can help you avoid the expat trap of double taxation.
We connect you with experienced cross-border tax experts who simplify international rules, protecting your income and making sure you never pay more than your legal share.
UK tax rules have changed, and while the remittance basis has now been phased out, some expats may still be affected by transitional provisions linked to how overseas income and assets were treated under the old system.
We match you with UK Chartered Tax Advisers who will review whether any transitional rules apply to you and explain how they impact your foreign income, capital gains, trusts, and historic funds.
Dealing with double taxation usually means a mountain of confusing paperwork – and frankly, you have better things to do with your time.
Leave the filing to the experts. Your professional expat tax adviser will manage all your UK requirements – including residency status and foreign income – making sure everything is submitted correctly and on schedule. It’s the simplest way to stay compliant without lifting a finger.
Selling property, shares, or assets overseas can trigger tax in more than one country.
Your expat taxes expert will walk you through how capital gains are treated under UK law and tax treaties. This will help you reduce double taxation and make sure everything is reported to HMRC correctly.
A lot of our clients continue working with their tax expert year after year. As your life changes – whether it’s a promotion, a move, or a change in residency – it’s a huge relief to have someone in your corner who already knows your history.
When you book a consultation, £100 of the consultation fee is credited towards any future work with your UK Chartered Tax Adviser, including the preparation of UK tax returns.
Double taxation happens when the same income is taxed in both the UK and another country.
It often takes place when you earn money across borders, change residency, or have overseas assets. Tax treaties and reliefs exist to prevent this. But keep in mind they need to be applied correctly.
Yes. The UK has tax treaties with 120+ countries. These expat tax agreements set out which country can tax certain types of income and how reliefs are applied so expats in the UK don’t pay tax twice on the same earnings.
Relief usually isn’t automatic. In most cases, it needs to be claimed through your UK tax return or specific forms. A tax expert will help make sure everything is applied correctly and that no income is taxed twice.
Common examples of income affected by double taxation include employment income, pensions, rental income, dividends, investments, and capital gains from overseas property or assets.
Introduced in 2025, the transitional rule is a special tax provision connected to the remittance basis of taxation. It was introduced to help certain long-term UK residents who had overseas income or assets held outside the UK.
When the UK updated how non-domiciled individuals are taxed, some expats were given a transition period to adjust their finances under more favourable rules – instead of suddenly being taxed on their worldwide income all at once.
Filing an expat tax return starts by registering for UK Self Assessment through HMRC. Once registered, you’ll receive a Unique Taxpayer Reference (UTR), which allows you to submit your tax return online.
From there, you’ll gather details about your income and assets and file your return before the deadline.
Fees are quoted on a case-by-case basis, depending on your circumstances and the complexity involved.
Following your initial consultation, £100 of the consultation fee is credited towards any future work with your UK Chartered Tax Adviser, including the preparation of UK tax returns where relevant.
Send us a quick message outlining your situation and we’ll help you understand your next steps.
Consult with a UK tax expert who understands international tax treaties, overseas income, and how to prevent paying tax twice.
When you book a consultation, £100 of the consultation fee is credited towards any future work with your UK Chartered Tax Adviser, including the preparation of UK tax returns.
