Mobility, Tax Divergence and The New Planning Agenda for US Wealth

Jim Paladino, Regional Head of Wealth Advisory, USA

For high net worth and ultra-high net worth families in the US, wealth planning is becoming less about static structures and more about strategic adaptability. Wealth creation remains strong, driven by technology, private equity, real estate and closely held businesses. At the same time, the environment surrounding that wealth is becoming more fragmented, shaped by tax policy uncertainty, geopolitical volatility and increasingly international family lives.

This combination of opportunity and complexity is redefining the advisory agenda. The US remains the world’s largest wealth hub and a highly attractive base for both wealth creation and preservation, but clients are now navigating a broader and more nuanced set of considerations. Foundational planning remains central, including tax efficiency, liquidity event preparation, intergenerational transfers and multi-jurisdictional structuring. What has changed is the degree to which these issues now intersect with mobility, family governance and long-term resilience.

State tax divergence is reshaping wealth planning for US families

One of the most significant drivers is the growing divergence in tax policy at state level. In traditional wealth centres such as California and New York, proposals and pressures around wealth taxation, property taxes and enforcement are encouraging families to reassess whether their current structures still align with their long-term objectives. At the same time, lower-tax jurisdictions such as South Dakota, Delaware and Wyoming continue to feature prominently in structuring discussions.

As a result, domicile and tax residency are no longer passive considerations. They are increasingly being evaluated as active strategic levers, in much the same way as asset allocation or risk management. For many wealthy families, there is now pressure on two fronts: rising tax exposure in established wealth hubs, and the need to determine whether their existing jurisdictional footprint remains fit for purpose.

International mobility is becoming central to HNW and UHNW planning

These tax considerations are also feeding into wider conversations about international mobility. Although tax often initiates the discussion, it is rarely the only factor influencing a move. Families are weighing a broader mix of priorities, including quality of life, access to education and healthcare, family dynamics, succession planning and geopolitical diversification. Blended families, international marriages and children studying abroad all add further layers to decision-making.

For globally minded families, the appeal lies in optionality. Many are looking to preserve access to the US while also creating flexibility to live, invest and structure across multiple jurisdictions. In this context, mobility is becoming less about departure and more about diversification.

Destination preferences vary according to the profile and priorities of the family. Entrepreneurs and first-generation wealth creators are often attracted to jurisdictions with strong business ecosystems and favourable tax environments, such as Singapore, the UAE and Switzerland. Families with younger children may prioritise education, stability and legal familiarity, making the UK, Canada and selected EU jurisdictions more compelling. Retirees and semi-retirees are often more focused on lifestyle considerations, with destinations such as Portugal, Italy and the Caribbean continuing to appeal.

Despite these differences, the underlying themes are consistent. Wealthy families are generally looking for jurisdictions that offer predictable tax policy, robust legal systems and clear residency pathways. The objective is not simply tax reduction, but certainty, stability and the ability to plan over the long term.

Cross-border structuring risks and opportunities for trust clients

Importantly, relatively few families are seeking to sever ties with the US altogether. A more flexible model is increasingly common, involving partial relocation and multi-jurisdictional living. In practice, this may mean maintaining US citizenship or residency while establishing tax residency elsewhere, dividing time across several locations and holding assets through international structures. Permanent relocation still occurs, particularly following a liquidity event or a major lifestyle change, but it is no longer the default ambition.

For trust clients, this evolution creates both opportunity and risk. International structuring can support asset protection, succession planning and long-term family resilience, but only if legal, tax and governance considerations are aligned from the outset. The pitfalls are well known: conflicting tax regimes, residency traps, cross-border estate issues, differing approaches to trust recognition and extensive reporting obligations under regimes such as FATCA and CRS. Family governance can also become more complicated as mobility affects succession, control and decision-making across generations and jurisdictions.

The central lesson is that international mobility cannot be treated as a lifestyle decision first and a structuring exercise second. For HNW and UHNW families, it is now a core component of long-term wealth strategy. In a world defined by state-level tax divergence, global uncertainty and increasingly international family footprints, the most effective planning will come from taking a coordinated approach early, with enough flexibility built in to adapt as circumstances change.

Some of the content of this article was used originally by eprivateclient. Read the original article here

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