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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
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![Free intro consultation]()
Free intro consultation20 min call to assess your needs and next steps
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![Streamlined domestic]()
Streamlined domesticIRS amnesty for US-based taxpayers behind on filings
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![Amended tax return]()
Amended tax returnFix past returns and refile with accurate corrections
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![IRS letters review]()
IRS letters reviewWe’ll decode and respond to IRS letters for you
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![2-month tax extension]()
2-month tax extensionExpat? Extend your tax deadline until December 15
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 →A successful move starts long before your flight. This guide turns a big life change into a practical plan - from documents and visas to banking, insurance, and US expat taxes after moving abroad. It is written for Americans who want a realistic checklist, clear timing, and fewer surprises once they land. ...
IRS form 4852 at a glance Form 4852 is a substitute for Form W-2, Form W-2c, or Form 1099-R when the original or corrected form is missing or wrong. You should first try to get the form from your employer or payer. If you still do not have it by the end of February, the IRS says you may contact the...
¿Tienes ingresos, propiedades o intereses en EE.UU.? ¿Planeas mudarte o ya vives allí y quieres entender cómo funcionan los impuestos en Estados Unidos? El sistema fiscal estadounidense puede parecer complejo, especialmente si no estás familiarizado con sus reglas o si tienes ingresos internacionales. ...
Getting a FATCA letter from your bank can feel alarming. It shouldn't. The letter usually means the bank flagged a possible US tax connection and needs documentation – typically a self-certification, a W-9, or a W-8BEN – to classify your account correctly. You haven't necessarily done anything wrong. But you do need ...
If you're a green card holder living outside the United States, your tax obligations don’t stop when you move abroad. Even while earning income overseas, the IRS taxes green card holders. For example, when filing in 2026, you'll report income earned in 2025, just as if you were still in the United States. ...
Higher education is expensive, but the tax rules can soften the hit. The catch is that qualified education expenses do not mean exactly the same thing for every tax break. For one benefit, a laptop may count. For another, it may not. For one rule, room and board qualifies. For another, it does not. That is why the smartest way to approa...