Published April 23, 2026
📅 Last updated: April 2026
Most Phuket expats sit on too much cash because investing as a non-resident foreigner feels uncertain. It's simpler than it looks. You have three usable layers: Thai-domiciled investments (mutual funds, government bonds, individual Thai stocks), home-country investments you keep alive while abroad (UK SIPP, US brokerage, Australian super), and a multi-currency layer (Wise + a foreign brokerage). Each layer has tradeoffs. Here's the honest picture for retirees and long-term Phuket residents who want their money working harder than 0.25%.
Quick Facts
- Thai mutual funds: Equity / bond / mixed; minimum ฿1,000–10,000; THB-denominated
- Thai government bond funds: 2.5%–3.5% yield, low risk, daily liquidity
- Thai stocks (SET): Direct via brokerage; need Thai TIN + bank account
- Foreign brokerage maintenance: Most US/UK brokers restrict non-resident accounts — plan ahead
- LTR visa wealth-management benefit: Some products tax-advantaged for LTR holders
- Tax: 15% withholding on Thai dividends; capital gains on Thai stocks tax-free if held in SET
Thai Mutual Funds — The Easy Layer
The most accessible Thai investment for a Phuket expat is a mutual fund. Three big managers are foreigner-friendly:
- K-Asset (Kasikorn Asset Management) — extensive English documentation, online platform via K-PLUS app, ฿1,000 minimum on most funds
- SCB Asset Management — wide product range (Thai equity, Asian equity, Thai bond, money-market), online via SCB Easy
- Bangkok Capital Asset Management — value-oriented, slightly higher entry for some funds, branch-supported
To open: have your Thai bank account, Thai TIN, and passport/visa ready. Walk into the bank's wealth-management desk (not the regular teller) — staff can set you up in 30–45 minutes. Online setup also possible if your KYC is already on file.
For Thai-baht capital you want yielding 2.5–4% with low risk: government-bond money-market funds. For higher growth and willing to ride volatility: Thai equity funds (the Thai stock market historically returns 7–9% annualised, with periodic 20–30% drawdowns).
Thai Stocks Direct (SET)
Trading individual Thai stocks on the Stock Exchange of Thailand (SET) is straightforward for foreigners with a Thai bank and TIN. Open an SBL (Securities Borrowing and Lending) account at any Thai broker — Bualuang Securities, Kasikorn Securities, SCB Securities all serve foreigners.
The tax angle is excellent: capital gains on Thai stocks held via SET are tax-free in Thailand. Dividend income has 10% withholding (creditable against your Thai tax). For a long-term Phuket resident, holding individual Thai blue-chip stocks (PTT, AOT, CPALL, etc.) can be more tax-efficient than mutual funds.
The minus: liquidity outside the top 50 names is poor. Stick with SET50 components for entry-level exposure, and only go further if you've got the time and language skills to research mid-caps.
Keeping Your Home-Country Brokerage Alive
The single biggest mistake expats make: telling their UK / US broker they've moved to Thailand without first having a plan. Most brokerages either freeze, close, or restrict non-resident accounts:
- Vanguard (US) — usually closes accounts when notified of foreign residence
- Fidelity (US) — varies by branch; some allow continued holding but no new buys
- Hargreaves Lansdown (UK) — closes ISAs when you become non-resident
- Interactive Brokers — accommodates non-resident accounts in Thailand (best option for many expats)
- Charles Schwab International — full-service for US-citizen expats
- Saxo Bank — multi-currency, Thailand-friendly, higher minimums
What to do BEFORE moving: open an Interactive Brokers (or equivalent international-friendly) account while still resident at home. Transfer holdings to it. Then when you become non-resident, you have a working brokerage that won't close on you.
If you've already moved without doing this: Interactive Brokers will open accounts for Thailand residents (proof of address required — your Thai rental contract or utility bill works). Saxo Bank Thailand has a local branch in Bangkok.
Pension and Tax-Advantaged Accounts
If you have a UK SIPP, US 401(k)/IRA, or Australian super, the rules vary:
UK SIPP / pension — you can keep contributing for 5 years after becoming non-resident, with limited tax relief. Drawdown rules apply normally. UK State Pension is paid abroad but frozen at the rate when you left.
US 401(k) / IRA — citizens can keep contributing up to limits if they have US-source earned income. Roth IRAs grow tax-free but distributions to Thailand may have Thai-side implications under the 2024 rule.
Australian super — generally preserved until 60. Fund management fees and consolidation matter; if you have multiple super funds, consolidate before moving (much harder when non-resident).
For LTR visa holders with the wealth-management category, Thailand offers some tax-advantaged investment vehicles — RMF (Retirement Mutual Funds) and SSF (Super Savings Funds) traditionally restricted to Thais — that may be accessible. Confirm with a Thailand-licensed financial advisor for current eligibility.
What I Wouldn't Recommend
A few products commonly pitched to Phuket expats that are usually a bad idea:
- Offshore "investment-linked life insurance" (Friends Provident, Old Mutual, RL360) — these are sold heavily in expat hubs. Fees are 5–8% per year baked in. Returns net of fees are usually below a low-cost index fund. Run from anyone selling these aggressively.
- Thai property as 'investment' — fine if you want to live in it; bad if you want yield. Rental yields in Phuket are 4–6% gross, often 1–2% net after maintenance, taxes, and vacancy. Foreign-currency conversion risk is real.
- Crypto on Thai exchanges (Bitkub, Satang) — usable but legally complicated. KYC is strict, withdrawal limits are real, and Thai tax treatment of crypto gains is evolving.
- Boutique 'expat financial advisors' charging 1.5%+ AUM — most are commission-based salesmen disguised as advisors. Either go DIY with low-cost ETFs or hire a flat-fee independent (rare in Phuket; some in Bangkok).
Frequently Asked Questions
Can a foreigner open a Thai stock brokerage account? +
Yes — Bualuang, Kasikorn Securities, SCB Securities all open accounts for foreigners with a Thai bank and TIN. The process takes about a week and includes a risk-tolerance questionnaire.
What's the simplest set-up for a retired Phuket expat? +
If you don't want to actively manage: 60–70% in your home-country brokerage (low-cost global ETF), 20–30% in a Thai government-bond fund for THB cashflow needs, 5–10% Thai cash for short-term liquidity.
Are Thai stock dividends taxed? +
10% withholding on dividends from Thai-listed companies. Creditable against your Thai income tax if you file. Capital gains on SET-listed stocks are tax-free in Thailand.
Can I invest in US ETFs from Thailand? +
Yes, via international-friendly brokers (Interactive Brokers, Saxo). Note: as a non-US person, you'll be subject to US estate-tax exposure on US-domiciled holdings if your estate exceeds the $60K threshold. Many advisors recommend Ireland-domiciled UCITS ETFs instead for this reason.
What about LTR visa investment perks? +
LTR Wealthy Pensioner / Wealthy Global Citizen categories sometimes get access to preferential RMF/SSF investments (normally Thai-only). Confirm with a Thailand-licensed financial advisor — the rules update annually.
Should I use a financial advisor? +
If your assets exceed ฿10–20M and you have multiple cross-border tax exposures: yes. Choose flat-fee or hourly, not AUM-based. Avoid anyone selling 'offshore investment bonds' or 'lump-sum savings plans'.
Related Guides
Build a portfolio that survives a 25-year retirement
Investing as an expat needs different tools than DIY at home. A flat-fee Thailand-licensed financial advisor (not a commission-based 'expat advisor') gives you a one-time roadmap for the cost of a few mutual-fund management fees.
Find a Phuket Financial Advisor →
Read the Tax Residency Guide →