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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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![Audit protection]()
Audit protectionWe stand by our work — year in, year out.
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![Careers]()
CareersIf you have years of experience with expat tax, get in touch!
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![Webinars]()
WebinarsIf you have years of experience with expat tax, get in touch!
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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 startedEasy process with an expert tax preparer
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![US expat tax return]()
US expat tax returnNo matter where you reside — you must file US tax returns
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![Streamlined procedure]()
Streamlined procedureNo matter where you reside — you must file US tax returns
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![Non-resident tax return 1040NR]()
Non-resident tax preparationTFX helps non-US aliens or Green Card holders file returns
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![Free intro consultation]()
Free intro consultationGet started call with tax preparer
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![Tax planning]()
Tax planningHigh-level phone consultations with experts
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![IRS letters review]()
IRS letters reviewScary letter from the IRS? TFX can help
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![Tax projection]()
Tax projectionSelling stocks? New job? Make educated financial decisions
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![Substantial presence test calc]()
Substantial presence test calcEasily determine your US tax residency status
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![Form 5472]()
Form 5472New filing requirements for foreign owners of U.S. LLC
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![Form 5471]()
Form 5471To report ownership in Foreign Corporations
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![Streamlined domestic]()
Streamlined domesticAmnesty program for those residing in the states
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![FBAR filing]()
FBAR filingComprehensive FBAR and FATCA compliance services
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![Services offered]()
Tax preparation fee calculatorDiscover the average cost of tax return preparation for you
US tax preparation for Americans in Denmark
Real people, just like you.
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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 →Market downturns, while challenging, can present unique opportunities for strategic financial planning. One such strategy is converting a traditional IRA to a Roth IRA during these periods. In April 2025, amid renewed market volatility – fueled in part by the latest wave of tariffs introduced by Donald Trump – investors are ...
If you’ve got money abroad and think the IRS won’t notice – think again. Uncle Sam might not be watching your every move, but he is very interested in your foreign financial assets. That’s where Form 8938 comes in. Whether you’re a globe-trotting expat, a green card holde...
The Internal Revenue Service (IRS) has announced automatic tax filing and payment extensions for individuals and businesses in twelve states affected by natural disasters in 2024. This relief aims to provide additional time for taxpayers to address their tax obligations without incurring penalties or interest. States and exte...
The Internal Revenue Service (IRS) has announced that US citizens and resident aliens living and working abroad have until Monday, June 16, 2025, to file their 2024 federal income tax returns and pay any taxes owed. This automatic two-month extension from the standard April 15 deadline applies to eligible taxpayers with...
What is unearned income? Unearned income is a form of income that does not result from work or services performed. This income includes money that someone might receive as a gift, inheritance, alimony payments, rental payments, dividends from stocks and other investments, and different types of income that a...
Every US resident must file an annual individual tax return. But what if you were a resident for a part of the calendar year? If you were both a resident and a non-resident during the same year, you are considered a dual-status alien. Though the filing process for dual-status aliens is different from that of US citizens and perman...