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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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![Webinars]()
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 Denmark
Real people, just like you.
50,000+ clients, 193+ countries, 4,000+ reviews
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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 →The "One Big Beautiful Bill Act" extends and modifies numerous provisions from the 2017 Tax Cuts and Jobs Act while introducing entirely new deductions and benefits. Understanding which changes are permanent versus temporary is crucial. The ...
The brand-new Senior Bonus Deduction gives Americans aged 65+ an extra tax break starting with 2025 returns. Yet the full benefit disappears quickly if your modified adjusted gross income (MAGI) climbs above the phase-out range. Below, you’ll see how Social Security retirement and disability payments (SSDI), Supplemental Security ...
In the wake of the devastating flooding in Texas, the IRS has stepped in to provide tax relief to those impacted by the catastrophe. The severe flooding, which began around the July 4th holiday and affected several counties, has caused widespread destruction. In response, the ...
The "One Big Beautiful Bill Act" (OBBBA), signed into law by President Trump on July 4, 2025, makes significant changes to US estate and gift tax laws, especially for high-net-worth individuals. These changes are designed to provide more fle...
The recently passed One Big Beautiful Bill Act, signed into law by President Trump on July 4, 2025, introduces several new tax breaks for seniors. One of the most notable changes is the senior bonus, which provides significant tax rel...
A limited liability company – or LLC – is a flexible business structure that shields its owners (called “members”) from personal liability. It’s become especially popular with foreign entrepreneurs, as US LLC non-residents can form one without needing a green card or even setting foot in the States. ...