What Expats Need to Know About Offshore Investments

by Adam Fayed on October 15, 2026

Expats need to understand how offshore investments are regulated, taxed and affected by changes in tax residence before investing.

An offshore investment can provide access to international markets and currencies, but its suitability can change when an expat moves to another country.

Key Takeaways

Offshore investments can be held through foreign accounts, funds, trusts or companies.
Tax obligations is based on residence, investment type and applicable rules.
Regulation and custody arrangements affect how investments are protected.
Fees, withdrawal restrictions and account portability matter when choosing a provider.

My contact details are hello@adamfayed.com and WhatsApp ‪+44-7393-450-837 if you have any questions.

The information in this article is for general guidance only. It does not constitute financial, legal, or tax advice, and is not a recommendation or solicitation to invest. Some facts may have changed since the time of writing. WHAT EXPATS NEED TO KNOW ABOUT OFFSHORE INVESTMENTS

What is an offshore investment?

An offshore investment is an investment held through a financial institution, investment structure or jurisdiction outside the investor's country of residence.

The term can refer to several arrangements, including an offshore brokerage account holding shares and funds, an investment portfolio administered through an international financial institution, an offshore investment bond or certain fund structures.

An offshore investment is not necessarily an offshore bank account.

A brokerage account, for example, can hold securities without functioning as a conventional bank account.

The distinction matters because the tax and reporting treatment can differ according to the type of investment, the location of the provider, the underlying assets and the investor's tax residence.

An expat living in Spain, for example, could hold investments through a provider in Luxembourg, Switzerland or another jurisdiction.

Some offshore jurisdictions offer favorable tax treatment, although the actual tax implications depend on the investor's tax residence, the investment structure and the applicable laws.

What are offshore investment structures?

Offshore investment structures include foreign brokerage accounts, investment funds, insurance-based investment products, trusts and companies used to hold or manage investments across borders.

The structure affects an expat’s ownership rights, access to funds, administrative costs and tax obligations.

Common offshore investment structures include:

Direct investment accounts: Investors hold securities, such as shares and bonds, through a brokerage account in another country. Account agreements and registration records establish how the assets are held.
Investment funds: Investors buy units or shares in a fund that holds a portfolio of assets. They own an interest in the fund rather than the underlying securities individually.
Insurance-based investment products: Certain life insurance policies provide access to investment portfolios within an insurance contract. The policyholder's rights, charges, withdrawal conditions and tax treatment depend on the contract and applicable law.
Trusts and company structures: Investments may be held through a trust or company for estate planning, succession or other purposes. These arrangements introduce distinct rules governing legal ownership, control, reporting and taxation.

These structures are not interchangeable.

A brokerage account provides access to investments, a fund pools assets under a defined investment mandate, and an insurance policy establishes contractual rights between the policyholder and insurer.

Trusts and companies introduce separate legal arrangements that can affect who owns or controls the assets.

What are the regulations for offshore investments?

Offshore investments are regulated by the financial authorities in the jurisdictions where the provider and investment operate.

The underlying fund, insurer, broker or asset manager can also have separate regulatory arrangements.

This makes the regulatory position worth checking at several levels:

The provider: Is the broker, bank, insurer or investment company authorized?
The jurisdiction: Which financial regulator supervises the institution?
The investment: What rules govern the fund, securities or insurance-based structure?
The custody arrangement: Where are the underlying assets held?
Investor protection: Is there a compensation or protection scheme, and does it apply to the specific investment?

Regulation primarily provides a framework governing the institution and its activities.

For example, European retail investors can benefit from rules requiring key information documents for certain packaged retail investment and insurance products.

These documents are designed to disclose factors such as risk, potential loss, costs and the nature of the product.

International investors should also expect extensive identity and tax residence checks.

The OECD's Common Reporting Standard requires participating financial institutions to collect information such as an account holder's tax residence and report relevant account information to tax authorities under the applicable rules.

Do you pay tax on offshore investments?

Offshore investments can be taxable, and holding an investment outside the country of residence does not automatically remove domestic tax obligations.

The most important starting point is usually tax residence.

A country may tax residents on foreign investment income, capital gains or other investment returns even when the assets are held through an overseas institution.

The precise treatment varies significantly between countries and investment structures.

For instance, UK residents generally have to consider UK tax on foreign income, including foreign investment income, although specific reliefs and rules can apply.

The US takes an especially broad approach.

US citizens and resident aliens are generally subject to US tax on worldwide income even while living abroad.

Certain foreign financial accounts may also trigger separate reporting requirements.

This illustrates why the location of the investment is only one part of the tax analysis.

An expat should consider:

Where they are tax resident
Whether they have tax obligations in another country
Whether the investment produces dividends, interest or capital gains
Whether the structure has special tax treatment
Whether foreign withholding tax applies
Whether a double-taxation agreement is relevant
Whether the investment has additional reporting requirements

How to evaluate an offshore investment before committing

Before committing money to an offshore investment, expats should verify the provider, ownership structure, total costs, tax treatment and withdrawal conditions.

Advertised returns alone do not establish whether an investment is suitable.

1. Verify the provider and regulatory status. Check the legal entity offering the investment against the relevant regulator’s official register.

Confirm that its license covers the services provided and establish which investor protection or deposit guarantee schemes, if any, apply.

2. Understand ownership and custody. Establish whether assets are held directly, through a nominee, or within a fund, trust or insurance contract.

Identify the institution responsible for holding the assets and review what happens if the provider or custodian becomes insolvent.

3. Calculate the total cost. Account for platform fees, management charges, commissions, custody fees, foreign exchange costs and exit penalties where applicable.

Compare the overall cost over the intended holding period, not just the initial charge.

4. Confirm tax obligations. Check how interest, dividends, capital gains and withdrawals are treated in the country of tax residence and whether withholding taxes or foreign asset reporting requirements apply.

Tax treatment varies by jurisdiction and investment structure, so specialist advice may be necessary.

5. Check access and portability. Review withdrawal conditions, redemption periods and transfer restrictions.

Ask whether the provider will continue servicing the account if the investor relocates, and whether a change in residence could require the investment to be transferred or sold.

These checks help expats understand the legal rights, costs and obligations attached to an offshore investment before committing funds.

For complex structures involving trusts, companies or insurance-based products, cross-border legal and tax advice can help clarify the implications before signing.

What are the benefits and risks of offshore investments?

Offshore investments can offer practical advantages for internationally mobile investors, particularly when managing wealth across multiple countries.

Beyond the general pros and cons of offshore investing, their appeal also lies in the flexibility of cross-border investment arrangements.

Potential benefits include:

Centralized management: Manage international investments through one platform.
Portfolio continuity: Potentially retain investments when relocating abroad.
International income: Receive distributions through eligible overseas accounts.
Succession planning: Coordinate the transfer of assets across jurisdictions.

Considerations include:

Provider eligibility: Some services may be restricted following relocation.
Asset transfers: Moving investments between providers may involve costs or delays.
Account requirements: Additional documentation may be needed when circumstances change.

The extent of these benefits depends on the provider, investment structure and investor's circumstances.

Checking portability, custody arrangements and ongoing requirements early can help maintain flexibility as financial needs evolve.

Offshore investments vs domestic investments

Domestic investments are held through providers in an investor’s home country, while offshore investments are accessed through providers or structures in foreign jurisdictions.

For expats, the choice comes down to whether a domestic provider can meet their investment needs or an international provider offers access or flexibility they cannot obtain locally.

A domestic investment account may be sufficient for expats who already have access to suitable funds and securities, especially if they expect to remain in one country.

An offshore account may be worth considering when an investor needs access to markets unavailable locally or wants to maintain an investment relationship across multiple countries.

However, an offshore account is not automatically more internationally diversified or portable.

Domestic funds can hold global assets, and international providers may restrict accounts when clients relocate.

The comparison should focus on the specific investment options and services available through each provider, rather than the account’s location alone.

Conclusion

One of the overlooked aspects of offshore investing is that the country where an investment is held may matter less than the rules governing who can access it, how it is taxed and what happens when the investor relocates.

An expat may be able to retain an offshore portfolio after moving countries but lose access to additional contributions, certain funds or other account services.

Similarly, an investment that appears attractive before a move may become less efficient under a different tax regime.

The real advantage is having investments that can continue serving their intended purpose across borders, without unnecessary restructuring, forced sales or avoidable costs.

Before choosing an offshore investment, consider where you expect to live, earn and eventually use the money.

Then assess which jurisdictions, platforms and investment structures can accommodate those plans, including potential changes in residence.

FAQs

What happens to my brokerage account if I move to another country?

A brokerage account may remain open after a move, but the broker may restrict trading, require a transfer or close the account based on the new country of residence.

The change can also trigger new tax and reporting requirements.

How do offshore bonds affect inheritance tax?

An offshore bond is not automatically outside an estate for inheritance tax purposes.

The treatment depends on the investor's circumstances, the bond structure and the inheritance tax rules of the relevant country.

Do I need an offshore bank account?

No. An offshore investment can be held through a brokerage, fund platform, investment manager or other investment structure without an offshore bank account.

What are the downsides of offshore banking?

Offshore banking can involve higher fees, additional administration and compliance requirements, while access may be restricted after moving countries.

It also does not automatically provide tax advantages or exemption from financial reporting.

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