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William Louw - Director: South African tax

William Louw

Director: South African Tax

William is a leading expert in South African cross-border taxation, with over 20 years of experience helping individuals navigate the complexities of international tax. He holds a BCom from the University of South Africa (Unisa) and is a registered tax practitioner and member of the South African Institute of Tax Practitioners (SAIT).

As the Director of South African Tax at Sable International, William specialises in tax emigration, restoring tax residency, SARS compliance, and the application of Double Taxation Agreements. He regularly presents to professional accounting bodies and contributes expert insights to various platforms.

His clear, practical approach helps clients achieve efficient, compliant outcomes, whether they’re emigrating, returning to South Africa, or earning income abroad.

In his spare time, William is an avid croquet player who has frequently represented South Africa.

Our latest news and articles

William Louw - Director: South African tax
  William Louw   ● Feb 24, 2026

Managing income and cross-border tax compliance

Leaving one country and becoming tax resident in another doesn’t automatically end your responsibilities in yo...

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William Louw - Director: South African tax
  William Louw   ● Feb 24, 2026

Navigating your pre-departure checklist: Exit tax and mor...

When emigrating, and well before you pack a single box, understanding the tax implications of moving abroad is...

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William Louw - Director: South African tax
  William Louw   ● Feb 23, 2026

Cross-border tax planning - A timeline for moving countri...

Planning a move abroad? Understand the tax implications of moving from one country to another and the key cons...

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William Louw - Director: South African tax
  William Louw   ● Nov 27, 2024

Don’t let SARS’ new eFiling regulations stand in the way ...

If you’ve left South Africa or are planning to do so while continuing to receive a retirement annuity, the lat...

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William Louw - Director: South African tax
  William Louw   ● Nov 24, 2023

Do you need an RST01 tax directive? Here’s what you need ...

If you live abroad and receive a pension or a living annuity from South Africa, you might be able to obtain a ...

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William Louw - Director: South African tax
  William Louw   ● Oct 9, 2023

Emigrating? What to know before you go

If you’re planning to leave South Africa, you can save a great deal of hassle and expense by ensuring your tax...

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William Louw - Director: South African tax
  William Louw   ● Sep 29, 2023

Tax considerations after you've left South Africa

If you’ve left South Africa, it doesn’t mean you no longer owe tax in the country. As a South African living a...

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