Wealth Management for International Families: A Coordination Guide

An international family — one with members living in different countries, assets in multiple jurisdictions, and multi-generational roots in more than one culture — faces a wealth management challenge that is qualitatively different from that of a family concentrated in one country. The question is not just how to grow and protect wealth, but how to coordinate it: across time zones, regulatory environments, legal systems, currencies, and family members with different perspectives and different relationships to the family's assets.

This guide addresses the coordination challenge. It does not focus on the technical details of any one jurisdiction's tax rules — those are covered in the country-specific and technical guides elsewhere on this site. Instead, it focuses on the framework: how to build a clear picture of the family's worldwide position, how to govern the family's financial decision-making, how to choose and manage advisers, and how to prepare the next generation.

Building a Global Asset Picture

The starting point for any international family's wealth management is a complete, current, accurate inventory of what the family owns, where, and in what form.

The net worth audit: A proper net worth audit lists every asset, every liability, every financial account, every pension, every property, every business interest, and every other item of value. For each asset, it records: the jurisdiction it is located in; the ownership structure (personal, jointly owned, in trust, in company, in pension); the currency of denomination; the approximate current market value; the original cost (relevant for CGT planning); and the relevant tax treatment.

This sounds straightforward. In practice, for an international family with assets built up over decades across multiple countries, it is often a significant exercise. Bank accounts that were opened years ago and are no longer actively used; old pension policies from employment in a previous country; property inherited from parents in a jurisdiction where no one currently lives; share certificates for companies that may or may not still exist — these discoveries are common in a thorough audit.

The asset picture is not a one-off exercise. It should be updated annually as a minimum, and after any significant event — a death, a marriage, a divorce, a major purchase or sale, or a family member moving country.

Currency and liquidity analysis: An international family's assets are typically held in multiple currencies. The overall currency exposure of the portfolio matters — a family that is predominantly sterling-denominated in its lifestyle costs but has most of its assets in US dollars is carrying significant currency risk. A liquidity analysis identifies what proportion of the portfolio can be accessed quickly (liquid investments), what requires planning (private equity, property), and what is effectively illiquid in the short term (direct business interests, defined benefit pension entitlements).

Tax treatment mapping: For each asset, understanding how it is taxed — both in the country where it is held and in the relevant family member's country of residence — is essential for investment and planning decisions. The same underlying asset can have very different effective returns depending on the tax treatment in different jurisdictions.

The Single-Adviser Model versus the Network Model

Internationally mobile families often find themselves with a fragmented adviser landscape: a UK accountant, a Spanish lawyer, a Singapore financial adviser, a UAE family office contact, and perhaps a relationship manager at a private bank. Each knows their piece of the picture but nobody holds it all.

The single-adviser model: One adviser (or adviser firm) manages the entire family relationship, coordinating across all jurisdictions. This provides genuine holistic advice, accountability, and a single point of contact. The risk is that no single adviser is a true expert in every jurisdiction where the family has interests.

The network model: A lead adviser coordinates a network of local specialists — tax lawyers, accountants, investment managers, and financial planners in each relevant jurisdiction. The lead adviser is the "quarterback" — they understand the overall picture, ask the cross-border questions, and ensure that local advisers are not working at cross-purposes.

In practice, the best solution for most international HNW families is a hybrid: a primary adviser with genuine international expertise and the relationships to coordinate a specialist network. The primary adviser does not need to be an expert in French succession law and Singapore CPF rules — but they need to know when to call the relevant specialist and how to integrate that advice into the overall plan.

The question of independence matters. An adviser who earns commissions from financial products has different incentives from one paid on a fee basis. For complex international families, fee-based advice from an independent adviser tends to deliver better long-term outcomes.

Family Governance

For multi-generational families, the management of wealth is not just a technical exercise — it is a human one. The decisions about how wealth is used, invested, and transferred involve people with different perspectives, different risk tolerances, different financial needs, and different relationships to the wealth itself.

Family council: A family council is a regular meeting (typically annual or biannual) of adult family members to discuss family wealth matters. It is a forum for sharing information, making collective decisions, and maintaining alignment. The agenda typically includes: an update on the family's overall financial position; a review of the investment portfolio's performance; discussion of any significant financial decisions; and matters affecting family members (education costs, property purchases, generational transfers).

Family charter: A family charter (or family constitution) is a written document that sets out the family's shared values, its approach to wealth, how financial decisions are made, what the family's philanthropic goals are, and how the family business or investment vehicle is governed. It is not typically legally binding — its power comes from the shared commitment of family members who have worked together to create it.

Investment policy statement: A formal investment policy statement (IPS) defines how the family's wealth is to be managed: the investment objectives, the risk parameters, the asset allocation targets, the permitted investments and exclusions (ethical or practical), the rebalancing approach, and the benchmark against which performance is measured. The IPS provides a reference point for investment decisions that prevents short-term emotion from driving long-term strategy.

Letters of wishes: In families with trusts or other structures, letters of wishes from the founder or senior family members to trustees help ensure that the family's intentions are communicated and understood. These are not legally binding on trustees, but they provide crucial guidance — particularly across generational transitions when the original settlor may no longer be available to provide direction.

Consolidating Across an International Platform

Internationally mobile HNW families often benefit from consolidating their investment portfolios onto international investment platforms designed for globally mobile investors. Platforms such as Novia Global, Transact International, Utmost International (formerly Old Mutual International / Quilter International), and similar services provide:

• Multi-currency account access
• A broad range of investment options (funds, individual securities, structured products)
• Consolidated reporting in any currency
• Compliance with the regulatory requirements of multiple jurisdictions
• Compliant reporting under CRS/AEOI

Using such a platform does not eliminate the need for local bank accounts or local compliance — but it can significantly simplify the management and reporting of the core investment portfolio, allowing the family to see a consolidated performance view rather than piecing it together from reports across multiple institutions.

Cross-Border Succession Planning

Succession planning for an international family is one of the most complex areas of financial planning. Every country where the family has assets or members may have:

• Its own rules about what happens to assets on death (forced heirship rules in France, Spain, and many civil law countries; freedom of testamentary disposition in the UK and common law countries)
• Its own succession or inheritance tax
• Its own probate or grant of representation requirements
• Its own language and formality requirements for legal documents

The goal of cross-border succession planning is to ensure that:

1. Assets pass to the right people in the right amounts
2. Succession taxes in each relevant jurisdiction are minimised through legitimate planning
3. Legal documents (wills, trusts, powers of attorney) are valid and enforceable in each relevant jurisdiction
4. The family has clarity on what documents exist, where they are held, and who needs to be notified in the event of death

Multiple wills: For international families, a single will is rarely sufficient. It is common to have a will in each jurisdiction where assets are held — or at least where the rules are significantly different. An English will, a French will (covering French assets), and a Spanish will (covering Spanish assets) may all be required. The wills must be drafted to avoid conflicting with each other.

Powers of attorney: If a family member loses capacity, the ability for other family members to manage financial affairs on their behalf depends on having valid powers of attorney in each relevant jurisdiction. UK Lasting Powers of Attorney are not automatically recognised abroad — and foreign powers of attorney may not be automatically accepted by UK banks. Review whether your powers of attorney are fit for purpose.

Preparing the Next Generation

For families with significant inherited wealth, the greatest risk to that wealth over the long term is often not investment performance or taxation — it is the failure to prepare the next generation for the responsibility of managing and inheriting it.

Financial education: Age-appropriate financial education from an early age — how money works, what different types of investment are, how tax affects returns — gives younger family members a foundation of understanding that makes later involvement in family wealth decisions more effective.

Graduated involvement: Involve younger family members in family council meetings as observers from an appropriate age (typically mid-teens), then as participants, then with defined responsibilities. This gradual involvement builds knowledge and confidence and gives the older generation visibility of how the younger generation thinks about money.

Junior investment accounts: A bare trust or designated investment account in a younger family member's name, managed initially with parental guidance and then with increasing autonomy, is an effective learning vehicle. The amounts can be modest — the purpose is education in real decision-making, not material wealth transfer at a young age.

Governance responsibilities: As younger family members mature, giving them specific responsibilities — chairing a family sub-committee, overseeing a specific investment mandate, managing the family's philanthropic giving — develops genuine capability and engagement.

How Global Investments Can Help

Global Investments works with internationally mobile HNW families as their primary financial partner — coordinating the investment, tax, succession planning, and governance dimensions of family wealth across jurisdictions. We bring together our own international expertise with a network of specialist local advisers in the jurisdictions where our clients have interests, ensuring that the family's overall plan is coherent rather than a patchwork of local solutions. Whether your family is in the process of building wealth across borders, managing an existing international estate, or planning for the next generation, we would welcome the opportunity to work with you. Please speak with one of our advisers.