Specialist Accountants for High Net Worth Individuals
A relationship-led adviser for globally mobile wealth. Jungle Tax gives high net worth individuals a named partner who coordinates US and UK tax optimisation, cross-border wealth structuring, estate and gift planning, and family office support, so every part of your financial life is handled by one trusted team.
Why do wealthy families need a specialist adviser?
High net worth individuals rarely have simple tax affairs. Investment portfolios, private company shareholdings, property in multiple countries, trusts, and international families all create overlapping obligations to the IRS and HMRC. The risk is not usually a lack of information, but a lack of coordination between advisers who each see only part of the picture.
That is where a dedicated specialist accountant earns their fee. Rather than a once-a-year filing service, you gain a partner who understands how a decision in one jurisdiction ripples through another, who plans ahead of deadlines, and who speaks directly with your wealth manager, solicitor and family. The relationship, not just the return, is the product.
How do you optimise tax across the US and UK?
Cross-border wealth is where most generic accountants come unstuck. US citizens and Green Card holders are taxed on worldwide income wherever they live, so they file annually with both the IRS and HMRC. Without careful planning you can be taxed twice on the same income, or miss reliefs available under the US-UK double tax treaty.
We use foreign tax credits, treaty positions, and timing strategies to make sure income and gains are taxed once, in the most efficient jurisdiction. For UK residents we model the post-April 2025 residence-based regime that replaced the old non-domicile rules, weighing the four-year foreign income and gains exemption for new arrivals against long-term planning. Every position is documented so it stands up to scrutiny on both sides of the Atlantic.
- Double tax treaty relief
- Foreign tax credit planning
- Remittance and residence review
- Capital gains timing
What about PFICs, foreign trusts and offshore investments?
A global portfolio creates specialist reporting headaches that trip up wealthy investors. For US persons, holding non-US pooled funds can trigger punitive Passive Foreign Investment Company (PFIC) taxation, and interests in foreign trusts create dense filing on IRS forms such as 3520 and 3520-A. Get these wrong and the penalties can dwarf the tax involved.
Our advisers identify PFIC and foreign trust exposure early, then restructure holdings so your investments remain tax efficient in both systems. We coordinate FBAR and FATCA reporting for foreign accounts, advise on the UK tax treatment of the same assets, and work alongside your investment manager so portfolio decisions are made with the tax consequences already understood, not discovered later.
How do you plan estates, gifts and family wealth?
Passing wealth to the next generation is where cross-border families face the sharpest exposure. The US levies estate and gift tax on transfers above the lifetime exemption, while the UK charges inheritance tax at 40% above the nil-rate band. The two regimes define domicile, situs and reliefs differently, so a plan that works in one country can create a liability in the other.
We build estate and gift strategies that respect both rulebooks, using trusts, lifetime gifting, and treaty provisions to protect family wealth. For families running a single point of coordination, our family office approach consolidates reporting, governance and succession planning under one adviser relationship, so your affairs stay joined up across generations and jurisdictions.
A partner who knows your name
Jungle Tax is a dual US and UK private client practice built around relationships, not transactions. You work with a named partner who understands your whole position and coordinates everyone who touches your wealth, from wealth managers to solicitors, so nothing is left to chance.
›Arrange a ConsultationDual US & UK expertise
One team qualified on both sides of the Atlantic, so IRS and HMRC positions are always aligned.
Direct partner access
A named adviser who knows your affairs, not a rotating call centre or a junior each year.
Proactive, year-round planning
We plan ahead of deadlines and flag opportunities, rather than reacting once returns are due.
Coordinated family office approach
We work with your lawyers, bankers and investment managers so your wealth is managed as one.
Explore how we support your wealth
High Net Worth Tax Services
Our full technical scope for wealthy individuals and families.
Family Office Accounting
Consolidated reporting and governance for multi-generational wealth.
Trusts & Estate Planning
Protect and pass on wealth across US and UK jurisdictions.
Cross-Border Tax Planning
Coordinated US-UK strategy to avoid double taxation.
IRS Streamlined Filing
Catch up on missed US filings without harsh penalties.
Ready for an adviser who sees the whole picture?
Speak to a Jungle Tax private client partner about your US and UK tax position, your investments, and your plans for the next generation. The first conversation is confidential and without obligation.
Structuring and protecting complex wealth
Significant wealth rarely sits in one place or one jurisdiction. Investment portfolios, private company shares, property across borders and family trusts each carry their own tax treatment, and the interactions between them are where value is quietly lost.
We map your full wealth picture and build structures that hold up under both US and UK rules, so your assets are protected, your reporting stays clean, and your long-term plans are never undermined by an avoidable tax charge.
- ›A single adviser who sees your entire balance sheet
- ›Structures that respect both US and UK tax rules
- ›Wealth preserved and passed on with intent
A relationship built around one conversation
Working with a specialist begins with understanding, not paperwork. We take time to learn how your wealth is held, where your family and interests sit, and what you want the next decade to look like before recommending anything.
From there you gain a named partner who coordinates every adviser touching your affairs and plans ahead of deadlines year-round, so your US and UK position stays aligned and nothing is left to chance.
- ›A confidential first conversation with no obligation
- ›Direct access to a named private client partner
- ›Year-round, proactive planning rather than annual filing
Official resources & further reading
Authoritative guidance from the relevant tax authorities and regulators. Always confirm current thresholds and deadlines on the official source.
Questions & Answers
A specialist HNW accountant acts as a single point of contact who coordinates your entire tax and wealth picture. That means personal tax returns, cross-border compliance, trust and estate planning, investment structuring, and liaison with your lawyers and wealth managers, so nothing falls between advisers and every decision is considered against both US and UK rules.
Our high net worth division covers the full technical scope of HNW compliance and planning. This page focuses on the adviser relationship itself: the named partner who knows your affairs, proactive year-round contact, and a coordinated family office style approach. If you want the broader service overview, visit our high net worth and family offices pages.
Yes. US citizens and Green Card holders are taxed on worldwide income regardless of residence, so you file with both the IRS and HMRC every year. Issues like PFICs, foreign trusts, FBAR reporting and treaty relief make DIY filing risky. A specialist adviser aligns both filings so you avoid double taxation and penalties.
The remittance basis historically let UK residents who were non-domiciled pay UK tax only on foreign income they brought into the UK. From April 2025 the UK replaced domicile with a residence-based regime offering new arrivals a limited foreign income and gains exemption. We review your position and model the transition so you are not caught out.
US persons holding non-US funds can trigger punitive PFIC taxation under IRS rules, and interests in foreign trusts create complex reporting on forms such as 3520 and 3520-A. These are common traps for HNW families with global portfolios. We identify exposure early and restructure holdings so your investments stay tax efficient across both systems.
Look for genuine dual US and UK qualification, direct partner access rather than a call centre, experience with estate and gift tax, and a proactive planning calendar rather than once-a-year filing. Ask how they coordinate with your other advisers. Book a consultation with Jungle Tax to see how our relationship-led approach works.
Still have questions? We're here to help.
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