We provide globally mobile individuals and international businesses with cross border tax and accounting services.
With offices in New York, Los Angeles, London, Singapore and Sydney, and an extensive international partner network, we can assist when expats move abroad or SMEs expand internationally.
REGIONS WE CAN ASSIST IN
Australia
We assist Australians living abroad and expats with assets in Australia with their tax obligations. We advise Australian businesses on how to effectively expand and establish a presence in the United Kingdom.
SINGAPORE
When you own an income producing asset in Singapore, we can assist. We provide international tax expertise to foreign businesses expanding to Singapore.
UNITED STATES (USA)
American citizens and Green Card holders living in the United Kingdom will more than likely have USA tax obligations. We can assist by advising on your obligations and lodging your tax return at a federal, state and local level as required.
WE TAKE CARE OF YOUR CROSS-BORDER TAX AFFAIRS
Our team of international tax professionals will effectively manage your international tax affairs, while you focus on your family and career.
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NEWS AND UPDATES
Convenience Of Employer Rule: A State Tax Trap For Digital Nomads Working For US Companies
10th Jul 2025
John Marcarian
Imagine working remotely from the sunny shores of Australia for a New York-based employer, thinking you're safely outside the grasp of US state taxes Think again Due to the...
CST Singapore Managing Director, Boon Tan Joins AustCham Singapore Board
17th Jun 2025
CST Tax Advisors
Our Managing Director, Boon Tan, has been appointed as one of the Board of Directors of the Australian Chamber of Commerce (AustCham) Singapore This milestone reflects his ongoing commitment to...
Expanding Into Singapore: Visa Options For Entrepreneurs And Employees
17th Jun 2025
Boon Tan
Singapore is widely recognized as one of the most business-friendly countries in the world With its strategic location in Southeast Asia, strong legal framework, efficient infrastructure, and...