WHO WE HELP WITH INTERNATIONAL TAX
PERSONAL TAX CLIENTS
We provide international tax advice, accounting and compliance services for Australian and expat clients moving abroad or to Australia.
Australians Moving Abroad
It’s a common misconception that departing Australians no longer have to worry about Australian taxes. However, there may be many tax consequences when leaving Australia.
Australians Returning Home
Long-term Australian expats returning home to Australia need to carefully plan their return before becoming an Australian resident again.
Australians Living Overseas
Tax issues can get quite complicated when you’re an Australian living overseas. Rules may change depending on which country you’re living in.
Expats Moving to Australia
When you move to Australia on a “permanent” basis you become an Australian tax resident, even if you are living here on a temporary visa. It is important you understand your tax obligations.
Living in Australia with Assets Abroad
Australian tax residents are typically taxed on their worldwide income. If you have assets abroad, you need to understand what and how to declare your foreign income.
Personal Tax Returns
The preparation of personal tax returns for individuals with international interests requires specialist international tax expertise. You need to ensure you make the correct declarations and understand your obligations.
BUSINESS TAX CLIENTS
We assist Australian companies with an international presence, those planning to expand abroad or currently exporting overseas.
Australian Company Expanding Abroad
Expanding abroad is a milestone for any business. We can help you ensure your expansion is a success while mitigating any risks to your businesses.
Australian Company with an International Presence
Companies who have successfully expanded abroad need to ensure their current business structure continues to support their business growth objectives.
Australian Company Exporting Abroad
If your exporting company has significantly grown and you are looking to establish a subsidiary in your export market, we can help.
THE CST DIFFERENCE. SIMPLE ANSWERS TO COMPLEX PROBLEMS.
In today’s ever changing world, our Australian and international clients can take comfort in knowing that our tax advisors have the specialist skills to help them on cross border tax issues.
We help you plan for changing family or business circumstances and give you the peace of mind and confidence that your tax affairs are in order.
Our specialist advisors work daily with their colleagues across Singapore, the US and the UK to ensure your tax advisory and compliance needs are effectively managed.
BE SURE YOU'RE GETTING THE RIGHT ADVICE.
GET A SECOND OPINION...
Experience the CST difference - integrated tax advice from specialist Australian advisors who understand your issues.
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WE CAN HELP YOU INTERNATIONALLY
USA
We work closely with our US office to assist Australians moving to the US, Australian companies expanding to the USA, Americas living in Australia, and those with assets in the US.
UNITED KINGDOM
If you are an Australian considering moving to the UK, want to expand your business to the UK, are a British citizen living in Australia, or have assets in the UK, we can assist in partnership with our UK office.
SINGAPORE
Together with our Singapore office we assist companies expanding to Singapore and Australians moving to, or living in, Singapore.
ENSURE YOUR INTERNATIONAL TAX AFFAIRS ARE EFFECTIVELY MANAGED
Our tax advisors and accountants work closely among our international offices to ensure the cross border tax obligations of our clients are proactively managed.
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NEWS AND UPDATES
Australian Businesses Expanding to the USA – Structuring Your Business for US Expansion
27th Jan 2026
John Marcarian
Most Australian businesses don’t fail in the United States because the market rejects them They fail because the structure underneath them wasn’t built for the way the US actually...
From Down Under To The Little Red Dot – Tips For Australian Businesses Expanding To Singapore
16th Dec 2025
CST Tax Advisors
Thinking About Expanding From Australia To Singapore Hear directly from our very own Boon Tan, together with experts from CHP Law and Flyway Crossing in Singapore, as they share valuable insights...
Significant Deductions In A U.S. Personal Tax Return
9th Dec 2025
John Marcarian
A Practical Guide For Australians And Globally Mobile Founders For Australians moving to the United States — as executives, investors, or globally mobile founders — the US personal tax system...