Structuring overseas assets for long-term success

Holding assets across different countries can be complex and, without the right structure, can create unnecessary friction and unintended consequences.

But thoughtful planning around international wealth can lead to clarity, flexibility and alignment between your global fortunes and your long-term strategic goals.

Why overseas wealth structuring matters

In an increasingly international world, many wealthy individuals and families find themselves holding assets across multiple jurisdictions. Whether it’s a holiday home in France, an investment portfolio in Jersey, a family business with global interests, or wealth accumulated while living overseas, cross-border assets can create significant opportunities.

But, when these assets are spread across different countries, legal systems and tax regimes, planning becomes considerably more complicated, as each jurisdiction has its own rules around taxation, inheritance, probate, wills, trusts, and ownership structures.

Creating clarity from complexity

Successful wealth planning isn't just about tax. It's about creating clarity, protecting family finances, ensuring smooth succession and building structures that remain effective as circumstances change.

A structure that is appropriate today may become less so as assets are acquired or sold, family circumstances change, or individuals relocate internationally.

At Coutts, we believe wealth structuring should be viewed as an ongoing process rather than as a one-off exercise.

Three types of clients commonly benefit from cross-border planning

While every situation is unique, international wealth planning often falls into three broad categories:

1. UK residents with overseas assets

These are individuals and families who are firmly rooted in the UK, but who hold assets abroad including property, foreign investment portfolios, inherited bank accounts, international business interests, and assets acquired through family connections overseas.

For this cohort, the primary concern is often succession planning and administration. For example, these people may need to look at whether they require separate wills in different jurisdictions and examine how their overseas assets will be dealt in the event of their death (in some cases, local inheritance laws could override their wishes).

While UK advisers can help to identify potential issues, local advice is often essential in ensuring that any structure works effectively in the relevant jurisdiction.

2. International individuals living in the UK

The second category concerns those who have moved to the UK and who hold significant wealth outside of the country. These people need to think about how their overseas assets will be treated under UK tax rules, as well as the timing of any wealth restructuring. They also need to consider future inheritance tax exposure, with an eye on the preservation of family wealth across generations, plus any long-term residency implications.

For those benefiting from the UK's Foreign Income and Gains (FIG) regime, planning becomes increasingly important as favourable transitional periods come to an end and assets gradually become more exposed to the UK tax environment.

The key challenge is often timing. Decisions that are relatively straightforward before arriving in the UK can become significantly more complicated once residency has been established.

3. Those planning on leaving the UK

Those considering leaving the UK, or who have already begun the process, often underestimate the extent to which rules can continue to impact them after their departure. It’s important to consider ongoing UK tax exposure and your existing UK-based assets, as well as estate planning arrangements, family business succession, and the timing of your relocation.

For wealthy individuals, moving abroad should never be viewed solely as a relocation exercise. It requires careful consideration of legal and financial rules in both the country being left and the destination country. Every jurisdiction brings its own opportunities and challenges, and successful planning depends on fully understanding both sides of the equation.

The importance of succession planning

Cross-border wealth planning frequently extends beyond personal assets to family businesses, and succession within a family enterprise can be a particularly sensitive subject.

Effective succession planning should consider who will inherit family assets, how wealth can be protected from divorce or bankruptcy risks, how future generations can become responsible stewards of family wealth and how family businesses can continue to operate successfully beyond their founding generation.

A number of tools exist that can help with this. Families are increasingly adopting governance frameworks like family charters, family constitutions, memorandums of understanding (MOUs), and formal succession plans to help align family members around a shared vision and provide clarity for future generations.

Financial planning structures

Financial planning solutions can play an important role within a broader wealth structure. Offshore investment bonds, for example, can offer a useful framework for certain people, particularly those seeking long-term investment flexibility and tax-efficient planning opportunities.

But solutions should never be viewed in isolation. Their suitability depends on an individual's circumstances, residency status and long-term objectives. For some people arriving in the UK and benefiting from transitional tax regimes, alternative arrangements may be more appropriate initially. For others, particularly those with longer-term UK residency plans, these solutions may become increasingly relevant.

Any financial structure should support the wider legal, tax and succession strategy rather than operating independently from it.

The benefits of an integrated advisory team

When it comes to international wealth structuring, collaboration is key: legal advisers, tax specialists, private bankers and investment professionals all play a distinct role. Legal advisers help design appropriate structures and address succession, governance and tax issues, while private banks and wealth managers help implement and manage those structures through investments, lending, banking services and specialist wealth solutions.

When these advisers work together as a coordinated team, clients typically see better results.

The value of early planning

One of our strongest messages for internationally mobile families is that timing matters.

Whether entering the UK, leaving the UK, or acquiring overseas assets, planning opportunities are often widest before a significant event occurs. Once residency status changes, assets are transferred, or business interests evolve, options can become more limited.

Early planning allows individuals to:

• Evaluate potential structures properly.
• Coordinate advice across jurisdictions.
• Avoid unnecessary complexity.
• Create long-term flexibility for future generations.

Flexibility is the key to successful overseas wealth structuring

International wealth structures can take many forms and, whether you’re looking to utilise trusts, foundations, family investment companies, corporate ownership vehicles, insurance-based structures, or offshore investment bonds, the right structure will depend on your objectives, assets, the jurisdictions you’re in, and your future plans.

Importantly, these structures should always be designed with flexibility in mind, as marriages, divorces, births, deaths, business sales and relocations can all affect their effectiveness over time – with a pragmatic approach often delivering better outcomes.

Coherent planning delivers long-term success

Structuring overseas assets is about far more than tax. It’s about creating a coherent framework that aligns global wealth with long-term personal and family goals.

Whether you’re a UK resident with overseas assets, an international individual settling in Britain, or a family considering life beyond the UK, the same principles apply – plan early, think long term, and ensure that legal, tax, investment and succession strategies are working together.

In an increasingly international world, successful wealth preservation depends not just on where assets are located, but on how thoughtfully they are structured for future generations.

Beyond Wealth Series

The Coutts Beyond Wealth series features webinars and insights for families navigating wealth, governance and long‑term planning. These expert-led events bring clarity around complex topics – providing real-world advice and first-hand experience from Coutts experts and trusted partner organisations.

We explore the conversations families often postpone, and the decisions that can be harder to reverse at a later date. Expect thoughtful discussion, specialist perspectives, and a focus on helping you make informed choices as your family, assets and responsibilities grow.

Coutts and Farrer & Co

Coutts and Farrer & Co share a long history of advising successful individuals and families on matters that extend beyond wealth alone. By bringing together leading financial and legal expertise, we help clients address the opportunities and challenges that come with building, preserving and passing on wealth across generations.

As part of our Beyond Wealth series, experts from Coutts and Farrer & Co are coming together across three webinars this September and October to explore key issues affecting wealthy individuals and families, providing practical insights on wealth preservation, succession planning and legacy.

Please speak to your Private Banker to discover how Coutts could support your long-term financial goals.