Specialist UK & international tax advice
Cross-border inheritance tax planning for UK families with international assets. We restructure global estates, apply treaty relief and cut IHT exposure…
If your wealth crosses borders, so does your tax exposure, and HMRC will not overlook it. Cross-border inheritance tax planning for UK families is not a polite review of your will; it is the deliberate restructuring of global assets before Inheritance Tax claims up to 40 percent of what you intended for your family. At Pearl Lemon Tax, we advise individuals and families who are resident in the UK and hold international assets, providing structured, defensible inheritance tax strategies. Whether you own property in Spain, hold investments in the United States, manage business interests in the UAE, or are a non‑UK national who has become a long‑term UK resident, current UK inheritance tax rules can bring your worldwide estate into charge.
Cross-Border Inheritance Tax and Income Tax Planning is not theoretical. It involves domicile analysis, double taxation mitigation, treaty interpretation, asset restructuring, and strict HMRC reporting. We combine UK Inheritance Tax Planning with International and Cross-Border Tax structuring to create one coordinated strategy.
On 6 April 2025, the UK replaced its centuries‑old domicile‑based system with a residence‑based regime for Inheritance Tax. This marks the most significant change to cross‑border estate planning in a generation, leaving many existing plans built around domicile either partially or completely outdated.
If your historic planning relied on non‑domiciled status or excluded property trusts created under the old rules, those structures may now work very differently. Some remain protected; others do not. The only way to confirm your current exposure is through a fresh assessment against the new regime.
If you have not reviewed your estate plan since April 2025, you are almost certainly working from outdated assumptions.
The problem: Once you become a long-term UK resident, your entire worldwide estate, not just your UK assets, can fall within the scope of UK Inheritance Tax. Many international families cross this threshold without realising it.
What we do: The outcome:Knowing precisely when your global estate becomes chargeable is the difference between proactive structuring and a six‑figure avoidable liability. Timing is everything. Once you are within scope, options narrow sharply.
When foreign tax is withheld at source, many UK residents assume there is nothing they can do. That is often incorrect.
Under Double Taxation: Treaty Relief Form DT-Individual, you may claim reduced foreign withholding tax where a treaty applies.
The risk Without filing Form DT-Individual, foreign authorities may deduct 20% to 35% at source. You then report the same income in the UK. Relief may be restricted if not structured correctly.
What we doThe financial impactIn many cases, withholding tax is reduced to treaty rates such as 5%, 10%, or 15%. On a £200,000 overseas dividend stream, that difference alone can represent tens of thousands of pounds annually.
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The problem: Direct ownership of overseas assets often creates avoidable inheritance taxes.
Our solution: We assess and implement:We align structures with UK Inheritance Tax Planning rules and relevant foreign tax systems.
The outcome: Correct structuring can remove non-UK assets from the UK inheritance tax net where legally permissible. For estates above £3 million, this can materially reduce exposure.
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The problem: Two countries. One estate. Two tax bills. Without coordination, families can face inheritance taxes in the UK and succession taxes overseas.
Our approach: We apply:The financial impact: On a £4 million estate spanning the UK and France, failure to apply treaty relief correctly could result in substantial duplicated liability. Structured Cross-Border Inheritance Tax and Income Tax Planning preserves capital for beneficiaries rather than tax authorities.
The problem: Trusts created without regard to domicile timing can collapse under UK inheritance tax rules.
We address: The result: Where structured correctly before being deemed domicile, overseas assets can remain outside the UK inheritance tax charge. Timing is critical. Once deemed domicile applies, options narrow significantly.
The problem: Entrepreneurs with international operations often overlook Business Property Relief eligibility and foreign asset classification.
Our review covers: Financial effect: On qualifying assets, Business Property Relief can remove substantial value from inheritance taxes. For founders and family businesses, this can preserve generational control rather than forcing liquidation.
The problem: UK inheritance tax liabilities fall due before assets can be easily realised, particularly where foreign probate is required.
We structure: Outcome: Families avoid distressed sales of property or business interests simply to satisfy HMRC payment deadlines.
Lifetime gifting is one of the most effective tools for reducing UK Inheritance Tax (IHT), but it is also one of the easiest to mishandle when assets or beneficiaries are spread across multiple jurisdictions.
Most outright gifts are Potentially Exempt Transfers (PETs). If you survive seven years from the date of the gift, the value normally falls outside your estate entirely. If you pass away within seven years, the gift is brought back into the IHT calculation, with taper relief reducing the tax due after year three.
When implemented correctly, a carefully designed gifting programme can remove significant value from your estate over time
The problem: UK testamentary freedom can conflict with civil law forced heirship regimes. Our solution:Result: Reduced litigation risk and smoother cross-border estate administration.
The problem: International estates attract scrutiny.
We manage: Inheritance tax receipts in the UK have exceeded £7 billion annually. Enforcement activity continues to rise. Structured compliance reduces exposure to penalties and enquiries.
Every jurisdiction taxes death differently. The most common mistake we see is applying a single UK inheritance strategy to assets that are actually governed by foreign succession law and foreign death taxes. Below is how we approach the jurisdictions that most frequently affect UK families.
Spanish property is the most common cross-border asset we restructure. Spain levies Inheritance and Gift Tax (Impuesto sobre Sucesiones y Donaciones) on the beneficiary, not the estate, with rates and allowances varying by autonomous region. UK owners often face both a Spanish liability and a UK liability on the same property. We assess regional reliefs, ownership structures, and whether UK unilateral relief or treaty provisions can offset the Spanish charge.
France applies forced heirship and succession tax based on the relationship between the deceased and each beneficiary, with rates reaching 60 percent for non‑relatives. The UK–France Estate Tax Treaty (1963) sets out which country taxes which assets. We apply the treaty to prevent double charging on French real estate and coordinate French notaire requirements with UK probate.
US‑situs assets, including US shares held directly and US real estate, can trigger US Federal Estate Tax for non‑US persons, with an exemption far lower than that available to US citizens. We review direct US holdings, apply the UK–US Estate and Gift Tax Treaty, and restructure ownership to remove unnecessary US‑situs exposure before it crystallises.
The UAE imposes no inheritance tax, but UK long‑term residents with UAE business interests or property remain exposed to UK IHT on those assets. We coordinate UAE asset structuring with UK tax rules and, where relocation is planned, integrate it into our UK to Dubai tax optimisation strategy.
Ireland charges Capital Acquisitions Tax (CAT) on the beneficiary at 33 percent above relatively modest thresholds. Because both the UK and Ireland may tax the same inheritance, we apply the UK–Ireland Double Tax Treaty and associated credit mechanisms to prevent double taxation.If your assets are held in a country not listed here, we work with vetted local counsel in that jurisdiction to build a coordinated, compliant cross‑border plan.
Your strategy is led by qualified UK tax advisers who specialise in international estates. We hold CTA, STEP, and ATT credentials, work alongside a vetted network of overseas legal and tax counsel in Spain, France, the United States, and the UAE, and have structured estates ranging from £2 million to over £20 million. We are regulated by the Chartered Institute of Taxation (CIOT) and operate under strict client confidentiality. Every recommendation is documented, defensible to HMRC, and independently reviewed before implementation.
Client: London-based technology founder with assets in the UK, Spain, and the US.Challenge: Double taxation risk: inheritance taxes applying both in Spain and under UK IHT. Lack of treaty relief filings (Form DT-Individual) caused overpayment and complex asset valuations.
Solution: Pearl Lemon Tax validated UK residency under the Statutory Residence Test, filed the correct treaty documentation, and coordinated filings across jurisdictions. We implemented updated ownership structures for Spanish property through a family investment company.
Result: £84k annual tax recovery on foreign withholding and a reduction of estimated IHT liability by 27 percent through re-aligned ownership and treaty application.
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Client: Dual-national family residing in Scotland with properties in France and investment income in Canada.
Challenge: Approaching the 15-year UK residency threshold, the family risked deemed domicile status and a worldwide IHT charge. Existing trusts did not qualify as excluded property trusts under UK rules.
Solution: Our team implemented a new trust framework before the deemed domicile date, structured foreign property holdings through corporate vehicles, and registered all trusts under the UK Trust Registration Service with ongoing HMRC monitoring support.
Result: £2.1 million in non-UK assets successfully ring-fenced from the UK IHT scope while maintaining full legal compliance and transparency.
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Client: UK investor with joint property holdings in France and Portugal plus a family business in Bahrain.
Challenge: Each jurisdiction enforced separate inheritance or succession taxes. Estate-planning documents were inconsistent across borders and created risk of duplicated tax liability and legal disputes.
Solution: Pearl Lemon Tax applied double-taxation treaty reliefs, prepared foreign tax credit claims, and aligned cross-border wills. Our team coordinated with local advisers to harmonise probate procedures and avoid forced heirship issues.
Result: Probate time line reduced by 40 percent and duplicated inheritance tax charges avoided entirely—saving over £600,000 for the beneficiaries.
Book a Strategy Consultation TodayManaging assets spread across multiple countries used to feel overwhelming, but Pearl Lemon Tax made the entire process clear and controlled. Their London team handled treaty reliefs, asset restructuring, and HMRC reporting for us, ensuring we weren’t taxed twice on the same wealth. They turned a complex cross-border inheritance issue into a well‑structured, compliant strategy that protected our estate.
Our family held homes and investments across France and the UK, and we had no idea how much was at risk from inheritance tax until we spoke with Pearl Lemon Tax. They clearly explained the domicile rules, set up a compliant trust structure, and kept our foreign assets safely outside the UK tax net. The advice was technical, practical, and delivered with complete professionalism.
When we first approached Pearl Lemon Tax, our family business was exposed to duplicate inheritance tax charges in two countries. Their experts coordinated everything
Cross-border inheritance tax planning for UK families requires integration between UK law and overseas tax systems. We operate at that intersection. This is not generic Inheritance Tax Planning. It is an international and Cross-Border Tax execution aligned with UK legislation.
We analyse domicile status before structuring.
We assess treaty protection before distributions.
We model inheritance taxes before recommending ownership changes.
We coordinate with overseas advisers to avoid structural conflict.
For families with property abroad, dual nationality, or long-term UK residence, exposure can increase quickly without structured planning.
Straight answers to common questions about this tax service.
If your wealth spans jurisdictions, passive planning is expensive.
Cross-border inheritance tax planning for UK families requires early structuring, treaty awareness, and strict compliance discipline. We quantify exposure, restructure ownership where appropriate, coordinate with overseas advisers, and position your estate to minimise inheritance taxes within the law.
The earlier planning begins, the more options remain available.