Introduction
If you are the principal of an ultra-high net worth American family with combined worldwide assets above $50 million split across US and UK positions, multiple family members across generations, family business interests, charitable foundations, multiple trust structures, and complex multi-jurisdictional planning concerns, the US AND UK Tax Advisors category covers the chartered or licensed advisers holding integrated capability at the UHNW family level. The work sits at the apex of cross-border tax advisory complexity, combining technical depth across both jurisdictions with multi-generational family office support and integration with the full HNW adviser ecosystem. By the end of this guide, you will understand exactly what defines genuine UHNW family US AND UK tax advisors, the specific technical capabilities required at the UHNW level, the case study showing the integrated family office approach in practice for a $52 million family position, the common mistakes UHNW family principals make in adviser selection, and the practical engagement framework for the UHNW family relationship. This guide is written for UHNW American family principals living in the UK or with family members there, family office executives serving UHNW US-UK families, and any UHNW position requiring genuine top-tier integrated specialist support.
What Are US AND UK Tax Advisors for UHNW American Families?
The US AND UK Tax Advisors category at the UHNW family level covers chartered or licensed tax advisers holding combined US and UK technical capability with specific expertise serving UHNW family positions above $50 million combined worldwide assets. The category represents the most specialized end of cross-border tax advisory, as UHNW family work combines the highest technical complexity with the greatest family office integration, multi-generational planning horizons, and coordination with the broadest range of supporting advisers.
The work differs materially from HNW individual streamlined work and even from HNW family work covered in earlier guides. UHNW family work adds complexity across several specific dimensions. The family typically includes multiple generations, spanning grandparents, parents, adult children, and grandchildren, each requiring separate but coordinated tax compliance and planning. The asset position typically includes multiple business interests, multiple trust structures across both jurisdictions, multiple real estate positions in primary and secondary markets, substantial investment portfolios across US and UK platforms, art and collectibles, and often private aviation and yacht positions. The adviser team typically includes US-licensed attorneys at major firms, UK family law specialists at leading sets, US trust companies in Delaware, South Dakota, or other favorable trust jurisdictions, UK trust corporations, US registered investment advisers managing portfolios above $50 million, UK chartered financial planners, philanthropic advisers, art advisers, and various other specialized advisers.
The genuine UHNW family US AND UK tax advisor firm holds CTA status with the Chartered Institute of Taxation or ACA status with ICAEW on the UK side, combined with IRS Enrolled Agent status under Circular 230 or US CPA licensure on the US side, plus demonstrable UHNW family work experience, including specific anonymized case examples at the $50 million plus level. The firm operates with discretion and confidentiality protocols appropriate to UHNW family work, including secure communication platforms, controlled access to family information, and clear boundaries around sensitive family planning matters. The IRS Enrolled Agent reference sits at https://www.irs.gov/tax-professionals/enrolled-agents.
The fee structure for UHNW family work typically operates on an annual retainer basis, ranging from £150,000 to £500,000+, depending on family size and complexity, rather than transactional fees. The retainer structure reflects the ongoing relationship nature of UHNW family work, where annual compliance, strategic planning, ad hoc questions, and integration with the broader adviser team operate continuously throughout the year.
Why US AND UK Tax Advisors Matter Now for UHNW American Families
The 2026 context has produced three specific drivers that make integrated US AND UK Tax Advisors support materially more valuable for UHNW American families than in earlier years.
First, the FA 2025 long-term residence framework, which came into force on 6 April 2025, brings UK residents into the UK Inheritance Tax worldwide net at the 10 of 20 years’ residence trigger. UHNW American families with long-term UK resident family members face dual US and UK estate exposure on worldwide assets at 40 percent above the respective exemption thresholds. For UHNW family positions above $50 million, the dual exposure can run into tens of millions of dollars of avoidable tax without integrated specialist planning. The framework change represents the most significant UK tax planning shift for UHNW US-UK families in a generation. The HMRC framework reference sits at https://www.gov.uk/government/publications/changes-to-the-taxation-of-non-uk-domiciled-individuals.
Second, the US lifetime exemption sunset on 31 December 2025 reduced the federal estate and gift tax exemption from approximately $13.99 million per individual to approximately $7 million per individual effective 1 January 2026. For UHNW families, the difference between pre-sunset and post-sunset exemption represents potential US estate tax exposure of approximately $2.8 million per individual or $5.6 million per married couple. The IRS anti-clawback Treasury Regulation 20.2010-1(c) preserved exemption used through pre-2026 gifts, with UHNW families who acted before 31 December 2025 typically preserving $13.98 million to $27.98 million of exemption per individual or per married couple. The IRS estate tax reference sits at https://www.irs.gov/businesses/small-businesses-self-employed/estate-tax.
Third, FATCA enforcement reached full operational maturity in 2024 and 2025 with UK private banks and investment platforms applying enhanced identification procedures to all account openings and periodic reviews. UHNW family positions involving multiple private banking relationships, family investment companies, and complex trust structures are subject to sophisticated FATCA reporting and IRS cross-reference activity. The integrated specialist approach manages the comprehensive FATCA compliance across the family position.
The Three Core Capabilities of US AND UK Tax Advisors at the UHNW Family Level
Multi-Generational Family Office Support and Coordination
The first core capability of UHNW US AND UK Tax Advisors is multi-generational family office support and coordination. UHNW families typically operate through either a dedicated family office structure or a virtual family office combining multiple specialist advisers. The integrated specialist firm provides the family office’s cross-border tax core.
The multi-generational scope typically spans three to five generations within the family, with the senior generation (grandparents) often holding founding wealth, the second generation (parents) managing the operational family office, the third generation (adult children) preparing to take over family leadership, and emerging generations (grandchildren) being educated and prepared. Each generation has separate tax compliance and planning requirements that must operate in a coordinated fashion.
The annual compliance scope typically covers Form 1040 preparation for each US person family member with comprehensive schedules including Schedule A itemised deductions, Schedule B foreign interest and dividend reporting, Schedule C self-employment income where applicable, Schedule D capital gains, Schedule E rental and partnership income, plus information returns including Form 1116 Foreign Tax Credit, Form 8938 FATCA Statement of Specified Foreign Financial Assets, Form 8621 PFIC reporting for any UK fund holdings, Form 5471 controlled foreign corporation reporting for any UK company interests, Form 3520 and Form 3520-A foreign trust reporting, Form 709 gift tax returns for annual gifting strategies, Form 8833 treaty position disclosure, and any other applicable forms.
The UK side annual compliance covers UK Self Assessment (SA100) for each UK resident family member, with supplementary pages including SA105 for property income, SA106 for foreign income and gains, SA107 for trust income, and SA108 for capital gains. The UK Corporation Tax CT600 work covers any UK limited companies in the family structure, including family investment companies. The UK trust returns SA900 covers any UK family trusts. The UK property returns SA800 cover any partnerships in the family position.
The strategic planning layer covers ongoing FA 2025 framework analysis for each family member, ongoing US lifetime exemption planning for each US person family member, family business succession planning across multiple generations, philanthropic strategy across US and UK vehicles, next-generation family member preparation and education, family governance frameworks, and integration with the broader adviser team. The HMRC residence reference sits at https://www.gov.uk/guidance/residence-domicile-and-remittance-basis-of-taxation.
Comprehensive Trust and Family Investment Structure Management
The second core capability covers comprehensive management of trust and family investment structures. UHNW family positions typically involve multiple trusts and corporate structures across both jurisdictions, requiring integrated management.
US-side trust structures typically include the family dynasty trust established in a favourable US trust jurisdiction (Delaware, South Dakota, Nevada, Alaska, or similar), the qualified personal residence trust (QPRT) for primary residence planning, the grantor retained annuity trust (GRAT) for substantial gifting at reduced gift tax cost, the intentionally defective grantor trust (IDGT) combining grantor trust income tax treatment with estate exclusion, charitable remainder trusts for philanthropic and income planning, and irrevocable life insurance trusts (ILITs) for insurance planning. Each structure operates under specific US tax provisions and requires careful management.
UK-side structures typically include UK family trusts under the Trustee Act 2000, UK family investment companies as UK limited companies holding family investment assets, UK trust structures with foreign trust grantor treatment under IRC Section 679, and various special-purpose vehicles for specific planning purposes. The UK trusts face the relevant property regime for IHT purposes, with 10-yearly periodic charges of up to 6 percent and exit charges on distributions, plus annual UK Corporation Tax or income tax, depending on trust type.
The integration of US and UK structures requires careful coordination. The US grantor trust treatment of a UK family trust may result in unexpected US tax exposure on UK trust income for the US grantor. The UK-relevant property regime for a US dynasty trust holding UK-situs assets may result in UK IHT charges every 10 years. The Form 3520-A, foreign trust information return, and Form 3520, annual transactions return, under IRC Section 6048 capture US-side reporting for foreign trusts. The IRS foreign trust reference sits at https://www.irs.gov/businesses/international-businesses/foreign-trust-reporting-requirements-and-tax-consequences.
The UK family investment company structure has become particularly popular for UHNW family wealth management since 2018-2020. The structure holds family investment assets, including UK equities, fixed income, US and international securities, UK rental properties, and other investment positions. UK Corporation Tax applies at 25 percent on profits over £250,000 with a 19 percent small profits rate. For US person family members holding shares, controlled foreign corporation treatment under IRC Section 957 triggers Form 5471 reporting and GILTI inclusion with IRC Section 962 election optimization, typically reducing US tax exposure by 75 to 90 percent.
Integration With Family Business Succession and Philanthropic Planning
The third core capability covers integration with family business succession and philanthropic planning. UHNW families typically own operating businesses across both jurisdictions, requiring coordinated succession planning and philanthropic structures that require integrated US-UK design.
Family business succession planning typically addresses the transfer of business interests to next-generation family members through coordinated US gifting and UK potentially exempt transfer strategies. The UK business property relief under the IHT Act 1984 Section 105 provides 100 percent IHT relief for qualifying trading businesses and 50 percent for certain related assets, with the relief applicable to UK-situs business interests held for at least 2 years. The US tax basis step-up at death under IRC Section 1014 contrasts with UK CGT rules, creating timing considerations for business interest transfers.
The integrated philanthropic planning combines US 501(c)(3) organizations with UK registered charities through several structures. The dual-qualified vehicle (using a US 501(c)(3) public charity with UK Gift Aid registration) enables tax-efficient giving from US donors with UK tax treatment for UK donors. A US private foundation under IRC Section 509 provides a long-term philanthropic structure with an annual 5 percent distribution requirement. The UK Charitable Incorporated Organization provides a UK governance structure with tax exemption. The donor-advised fund vehicles in both jurisdictions enable flexible philanthropic giving with immediate tax deduction.
The integration also covers integration with the broader adviser team including US estate planning attorneys at major US firms with London offices, UK family lawyers at leading London sets, US trust companies (typically Bessemer Trust, Northern Trust, Glenmede, or Wilmington Trust serving UHNW US-UK families), UK trust corporations (including Hawksford, Stonehage Fleming, or Saffery), US registered investment advisers (typically Goldman Sachs Private Wealth Management, JP Morgan Private Bank, or Morgan Stanley Private Wealth Management at the UHNW level), UK private bankers (Coutts, C. Hoare & Co, Drummonds, or comparable institutions), philanthropic advisers, art advisers, and various other specialists.
How to Engage US AND UK Tax Advisors for UHNW American Families
Conduct an initial discretionary consultation through a trusted referral. UHNW families typically engage US AND UK Tax Advisors through trusted referrals from existing professional relationships rather than open marketing channels. The initial consultation typically runs through introductions from US estate planning attorneys, UK family lawyers, or other established advisers. The consultation discusses the family’s position overview, the existing adviser team, and the proposed engagement scope, all in accordance with appropriate confidentiality protocols.
Verify the firm holds genuine UHNW family credentials and experience. The genuine UHNW family specialist firm holds combined UK CTA/CIOT or ACA/ICAEW credentials, plus IRS Enrolled Agent status under Circular 230, or US CPA licensure on the US side, with demonstrable UHNW family work experience at the $50 million-plus level. The firm should provide anonymized case references and integration history with major US and UK adviser firms.
Run the comprehensive multi-generational diagnostic. The diagnostic covers each family member’s US person status, UK residence position, asset inventory, income streams, existing trust and corporate structures, prior tax filing history, and any compliance gaps. UHNW family diagnostics typically take 12 to 20 weeks, reflecting the complexity and number of family members involved. The diagnostic produces a comprehensive written analysis that identifies the current position, planning priorities, the recommended engagement scope, and an integration framework with existing advisers.
Establish the family office integration framework. The engagement letter sets out the integration framework with the family office structure or virtual family office advisers. The framework includes communication protocols, periodic check-in meetings, scope boundaries between advisers, confidentiality protocols, and coordination on specific planning projects. The framework typically includes monthly family office calls, quarterly comprehensive review meetings, and annual strategy planning sessions.
Implement the priority planning items in a coordinated fashion. The implementation typically spans multiple years for UHNW family positions, reflecting a multi-generational planning horizon. The coordinated implementation includes US dynasty trust establishment or amendment, UK structure implementation or amendment, pre-2026 US exemption gifting where applicable (now historic for engagements after 31 December 2025), FA 2025 framework positioning, family business succession planning, and any necessary historic compliance resolution. The IRS estate tax reference sits at https://www.irs.gov/businesses/small-businesses-self-employed/estate-tax.
Run the comprehensive ongoing annual compliance cycle. The annual cycle covers integrated compliance for each family member, all trust and corporate entities, all jurisdictions, and all information returns. UHNW families typically have 8 to 25 separate tax compliance positions across family members, trusts, family companies, and partnerships. The integrated specialist firm coordinates the annual cycle, ensuring consistency across all positions.
Coordinate quarterly check-ins with the broader adviser team. The quarterly meetings address operational developments, strategic planning items, market and legislative developments affecting the family position, and integration items across the adviser team. The meetings typically include the family office principal, the US estate planning attorney, the UK family lawyer, US trust company representative, the US investment adviser, and the integrated specialist firm.
Run periodic estate plan and structure reviews on a 3 to 5-year cycle. The comprehensive review, conducted every 3 to 5 years, addresses legislative changes, family circumstances, changes in asset position, and integration items. The review coordinates the US estate plan, the UK estate plan, the family business succession plan, the philanthropic strategy, and the family governance framework.
Real-World Example: US AND UK Tax Advisors for UHNW American Families in Practice
Case Study: A $52 Million Three-Generation American Family Position
The Sterling family is a fictional but representative profile based on a typical Jungle Tax engagement. The family includes three generations spanning the US and UK including the senior generation (William Sterling, age 81, US citizen, founder of a US-based technology company sold in 2015 for $185 million, UK resident since 2016 with his UK-citizen second wife Margaret age 67), the middle generation (William’s three adult children from his first marriage: David age 52, US citizen, UK resident since 2014, banking executive in London; Catherine age 49, US-UK dual citizen by birth via her UK mother, UK resident throughout her life, art consultant in Chelsea; Robert age 46, US citizen, US resident in Connecticut, hedge fund partner), and the next generation (David’s two children aged 22 and 25, US-UK dual citizens, UK residents; Catherine’s three children aged 19 to 27, US-UK dual citizens, mixed UK and US residence; Robert’s three children aged 14 to 21, US-UK dual citizens, US residents).
The combined family worldwide position by 2025 included William’s primary residence in Belgravia valued at £18.4 million, his Cotswolds country estate valued at £8.6 million held in a UK family trust established 2018, the family dynasty trust established 2016 in Delaware holding approximately $26 million of US-domiciled investments, William’s personal investment portfolio of approximately $4.2 million across US-domiciled accounts, Margaret’s separate UK investment portfolio of approximately £1.8 million, David’s London position approximately £4.8 million across Coutts and UK property, Catherine’s inherited UK position from her mother of approximately £6.4 million including the Chelsea property she lived in, Robert’s US position approximately $8.6 million including Connecticut residence and US investment portfolio, the family operating company (a UK technology consulting firm William had founded post-emigration in 2017) with current value approximately £4.2 million held through a UK family investment company, and various smaller positions across the next generation. The combined family worldwide position was approximately $68 million ($52 million in non-UK situs assets plus $16 million in UK situs assets).
The family engaged Jungle Tax in early 2024, ahead of the implementation of the FA 2025 framework and the US lifetime exemption sunset. The diagnostic ran over 18 weeks, covering all eleven family members across three generations. The analysis identified multiple priority planning items.
First, William had been a UK resident in 9 of the preceding UK tax years (2016/17 through 22), bringing him close to the year-long residence trigger date in 2025/26. His worldwide position, including the US dynasty trust, would face UK Inheritance Tax exposure at 40 percent above the nil rate band, potentially £24 million of UK IHT exposure on the combined family position once William reached long-term resident status.
Second, the US lifetime exemption sunset on 31 December 2025 represented a one-time opportunity to lock in pre-sunset use of the exemption. William and Margaret’s combined pre-sunset exemption of $27.98 million could be preserved through additional contributions to the US dynasty trust before 31 December 2025. The contributions would preserve approximately $13.98 million of exemptions that would otherwise sunset.
Third, the next-generation family members holding US-UK dual citizenship by birth require preparation for cross-border tax obligations. The grandchildren currently in education or early careers need a compliance setup, including ongoing Form 1040 preparation, FBAR filings, and integration with their UK Self Assessment.
Fourth, the UK family investment company holding the operating consulting firm triggered controlled foreign corporation treatment under IRC Section 957 for the US person shareholders (William and David), resulting in Form 5471 reporting and GILTI inclusion. The IRC Section 962 election analysis identified material US tax savings.
Fifth, Catherine’s separate inherited UK position required integrated planning with her UK-only husband’s position. Her US-UK dual citizenship by birth from her UK mother created specific compliance obligations she had not previously addressed.
The integrated engagement implemented coordinated planning across multiple priorities over 24 months. The pre-2026 US exemption strategy used William and Margaret’s combined $27.98 million pre-sunset exemption by making additional contributions to the Delaware dynasty trust before 31 December 2025. The contributions of $14.2 million in pre-2026 gifting preserved approximately $14.2 million of exemption that would otherwise have sunset.
The UK FA 2025 framework planning addressed William’s approaching long-term resident status. The UK family trust, established in 2018, for the Cotswolds estate was already outside the UK IHT estate following the completion of the seven-year survivorship period in 2025. The Belgravia primary residence required separate planning due to joint ownership with Margaret. The systematic annual gifting strategy used the annual gift allowance and the small gifts exemption to reduce the estate over the coming years.
The next-generation grandchildren preparation included education on US tax obligations as US-UK dual citizens, establishment of US-side custodial accounts for the eldest grandchildren who had completed university, ongoing Form 1040 preparation setup for each grandchild, and integration with their UK Self Assessment positions. The next generation also included gifting strategies using both William’s remaining exemption and the family dynasty trust distributions.
The UK family investment company position addressed GILTI optimization by electing under IRC Section 962 for William’s and David’s shareholdings. The election produced approximately $185,000 of annual US tax savings compared with default individual treatment.
The integration with the broader adviser team coordinated with the family’s US estate planning attorney (a senior partner at a leading US law firm with a London office), UK family lawyer (a Lincoln’s Inn family law specialist), Delaware trust company managing the dynasty trust (Wilmington Trust), UK trust corporation managing the UK family trust (Stonehage Fleming), US registered investment adviser managing the dynasty trust investments (Bessemer Trust), UK private banker (Coutts), and various other specialised advisers.
The integrated outcome over 24 months delivered approximately $14.2 million of preserved US lifetime exemption locked in before 2025 sunset, established UK FA 2025 framework planning protecting approximately £24 million of potential UK IHT exposure across the combined family position, set up systematic annual gifting strategies for ongoing exemption usage, prepared the next generation for US compliance obligations, captured approximately $185,000 of annual GILTI optimisation savings, established integrated coordination with the family’s broader adviser team across multiple firms—total Jungle Tax fees for the comprehensive 24-month engagement, plus the first year of ongoing relationship: £285,000.
William’s reflection (consolidated): “The integrated specialist work captured complexity across three generations and both jurisdictions simultaneously. The pre-sunset gifting strategy alone preserved $14.2 million of US exemption that would otherwise have been lost. The combined planning value across the family position runs into the tens of millions of pounds, completely justifying the engagement scale.” Speak to a Jungle Tax adviser today by emailing hello@jungletax.co.uk or calling 0333-8807974.
Common Mistakes UHNW American Family Principals Make With Adviser Selection
Using parallel UK and US adviser firms rather than integrated UHNW family specialists. The multi-generational integration points, including dynasty trust planning, FA 2025 framework positioning, US lifetime exemption usage, family business succession, philanthropic structure design, and family office coordination, fall between parallel single-side advisers and are typically missed entirely at the UHNW level. The fee differential between parallel and integrated specialist firms is dwarfed by the planning value captured through integration.
Missing the pre-2026 US lifetime exemption gifting window for UHNW positions. The US lifetime exemption sunset on 31 December 2025 created a one-time opportunity to preserve up to $27.98 million per married couple of pre-sunset exemption. UHNW families who delayed engagement missed pre-sunset gifting opportunities, potentially preserving $14 million or more in exemptions per couple. The IRS anti-clawback Treasury Regulation 20.2010-1(c) preserved the exemption for pre-2026 gifts.
Failing to integrate the FA 2025 framework with US estate planning for UHNW positions. The FA 2025 framework brings UK long-term residents into the UK Inheritance Tax worldwide net at 40 percent above the nil rate band. For UHNW family positions, integrated planning becomes a prerequisite for protecting against dual exposure of several million pounds. The HMRC framework reference sits at https://www.gov.uk/government/publications/changes-to-the-taxation-of-non-uk-domiciled-individuals.
Missing the controlled foreign corporation analysis on UK family investment companies and operating businesses. UHNW family positions typically involve multiple UK company interests through family investment companies, operating businesses, and special purpose vehicles. U.S. persons’ family members are subject to controlled foreign corporation reporting under IRC Section 957, with GILTI inclusion under IRC Section 951A. The IRC Section 962 election typically results in a 75-90% reduction in US tax exposure compared with the default treatment.
Failing to prepare next-generation family members for cross-border tax obligations. UHNW family next-generation members typically hold US-UK dual citizenship by birth and face the same US worldwide tax obligations as senior family members. Early preparation, including compliance setup, education on obligations, and integration with the family’s specialist adviser team, prevents compliance gaps across generations.
Treating UHNW family work as transactional rather than continuous family office relationship. UHNW family work operates on multi-generational planning horizons requiring continuous integrated specialist relationship typically structured as annual retainer. The retainer structure supports ongoing planning, ad hoc questions, and continuous integration with the broader adviser team. The IRS family wealth reference sits at https://www.irs.gov/businesses/small-businesses-self-employed/estate-tax.
How Jungle Tax Can Help You With US AND UK Tax Advisors for UHNW Family Work
Jungle Tax is led by chartered tax advisers holding CTA status with the Chartered Institute of Taxation or ACA status with ICAEW on the UK side, combined with IRS Enrolled Agent and US CPA credentials on the US side. The IRS Enrolled Agent credential under Circular 230 provides direct representation rights before the IRS for UHNW family returns, including Form 1040 with complex schedules across multiple family members, Form 706 estate tax returns, Form 709 gift tax returns, Form 5471 controlled foreign corporation returns, Form 3520 and Form 3520-A foreign trust returns, and any follow-up examinations or appeals.
Our UHNW family engagement operates on an annual retainer basis covering a comprehensive multi-generational scope. The standard engagement includes integrated annual compliance for each family member across all jurisdictions and entities, ongoing strategic planning across FA 2025 framework and US exemption positioning, family business and family investment company integration with GILTI optimisation, US and UK trust structure management, philanthropic strategy across US 501(c)(3) and UK registered charity vehicles, family business succession planning, next-generation family member preparation and education, family governance support, monthly family office calls, quarterly comprehensive review meetings, annual strategy planning sessions, and continuous integration with the broader adviser team. The engagement operates with discretion and confidentiality protocols appropriate to UHNW family work.
Speak to a Jungle Tax adviser today by emailing hello@jungletax.co.uk or calling 0333-8807974 to discuss your UHNW family position confidentially and arrange an initial consultation through appropriate referral channels.
Conclusion
Three takeaways. First, the US AND UK Tax Advisors category at the UHNW family level represents the apex of cross-border tax advisory complexity, combining technical depth across both jurisdictions with multi-generational family office support and integration with the full UHNW adviser ecosystem, with the integration points genuinely missed by parallel single-side advisers or even by HNW-level firms not operating at the UHNW family scale. Second, the 2026 context, including the FA 2025 long-term residence framework effective 6 April 2025 and the US lifetime exemption sunset on 31 December 2025, has substantially increased the value of integrated UHNW family specialist support, with typical UHNW family positions exposed to tens of millions of pounds of planning value through integrated work. Third, UHNW family engagement fees typically range from £150,000 to £500,000+ annually on a retainer basis, depending on family size and complexity, but capture planning value running into the hundreds of millions for the largest UHNW family positions. Speak to a Jungle Tax adviser today by emailing hello@jungletax.co.uk or calling 0333-8807974.
