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![Our story]()
Our storyAt TFX we've been doing taxes for U.S. expats for over 25 years
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![Why get a pro?]()
Why get a pro?Expat taxes are complicated. Seriously.
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![Security of Your Data]()
Security of your dataEvery precaution recommended by the IRS. And then some
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![How we work]()
How we workClear, transparent process. Thorough & well-thought-out
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![Accountant-client privilege]()
Accountant-client privilegeIRS Restructuring & reform act of 1998 protects taxpayers
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![Testimonials]()
TestimonialsTrusted by tens of thousands of clients worldwide
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![CPA vs EA vs Tax attorney]()
CPA vs EA vs Tax attorneyWhich should you hire and why?
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![Careers]()
CareersJoin a leading expat tax firm trusted by clients around the world
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WebinarsJoin a leading expat tax firm trusted by clients around the world
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![How to compare firms]()
How to compare firmsMany imitators, only one TFX. Ask the tough questions
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![Who we help]()
Who we helpSpecific use cases & scenario analysis
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![Onboarding team]()
Onboarding teamTop notch customer service is core to TFX
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![Why work with TFX?]()
Why work with TFX?We are the best at what we do and we're here to help you
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![Getting started]()
Getting startedStart your tax prep in minutes – simple and hassle-free
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![Streamlined procedure]()
Streamlined procedureIRS amnesty program for expats with overdue returns
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![Non-resident tax return 1040NR]()
Non-resident tax returnFor non-US citizens or Green Card holders with US income
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![Tax projection]()
Tax projectionSelling stocks? Changing jobs? Plan your taxes early
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![Free tax extension]()
Free expat tax extensionGet 6 extra months to file – quick, easy, and penalty-free
US tax preparation for Americans in Switzerland
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How TFX can help
Expert team, no junior staff
At TFX, we have been preparing business tax returns for over 25 years. We never hire junior staff. No outsourcing, no middlemen: you’ll be working directly with an experienced (our average age is 42) CPA or EA who will handle your case from beginning to end.
Help & support
Aside from knowledge, convenience and security are what we value at TFX. And these key features are what our clients are thrilled with. Our best-in-class secure online portal makes TFX the top-rated tax firm (with an average score of 4.8/5 on Trustpilot).
Phone consultations
In addition to tax filing & compliance, TFX offers tax planning & phone consultations. Choose a convenient time & book directly in your client portal.
Transparent pricing
TFX pricing is transparent, which means you’ll always know what you pay for.
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Articles & tax guides
View all →Form 709, also known as the United States Gift and Generation-Skipping Transfer Tax Return, is a crucial document for those making significant gifts during their lifetime. The form is used to report taxable gifts, allocate the Generation-Skipping Transfer (GST) exemption, and ensure compliance with US gift tax regulations. Importantly, ...
On July 4, 2025, President Trump signed a sweeping tax and spending bill into law – part of the One Big, Beautiful Bill – that permanently alters how standard deduction filers can benefit from charitable giving....
A sweeping reform with lasting impact for small and medium-sized businesses The tax code just got a makeover, and small businesses are finally getting more than just the leftovers. In mid-2025, Congress passed the One Big, Beautiful Bill – a sweeping package of tax reforms that promises lasting ...
A major provision of the One Big, Beautiful Bill is turning heads across the service industry and among small business owners: a new federal tax exemption on tips and overtime pay. As the Senate version of the bill clears a major hurdle and nears final reconciliation with the House, it's time to unpack what this mea...
An accidental American is a person who unwittingly holds US citizenship through birth or parentage. For an accidental American, today’s global data-sharing between banks and tax authorities can quickly trigger unexpected tax bills. The shock usually arrives when a bank demands a Social Security number, an employer flags the hidden...
When it comes to taxes, deductions are a great way to reduce the amount you owe and potentially increase your refund. One such deduction that could make a big difference, especially if you’ve had to relocate for a job, is moving expenses. However, with the passage of the ...