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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 →Quick answer: Form 8814 allows parents to report their child's investment income (interest and dividends) on their own tax return instead of filing a separate return for the child. This election is available when the child's investment income is less than $2,700 and gross income doesn't exceed $13,500 (2025 limits)....
The Foreign Earned Income Exclusion is one of the few tax rules that actually feels like a win for Americans abroad. The IRS taxes your worldwide income from every place you earn money, so this break is a big deal when most of your pay comes from work overseas. In 2025, the rules behind the foreign income exclusion stay simple: meet one of two re...
If your group has been using a one-month deferral for foreign subsidiaries, the clock just ran out. On November 25, 2025, the IRS released Notice 2025-72. It announces forthcoming proposed regulations and describes rules taxpayers can rely on now for allocating f...
Quick answer: US citizens married to foreign spouses have three filing options: Married Filing Jointly if you make a 6013(g) election to treat your spouse as a US resident, Married Filing Separately (default status), or...
Many US expats move to another country and think state taxes will never follow them again. But some people still get letters or bills even after many years of living abroad. This guide explains the basics in a very simple way, so you know what states look for and how small choices can matter later. Key takeaways ...
In 2025, dual citizenship taxes sound big and scary, but the idea is simple. This guide shows how the rules work and how life with two passports affects your money in a clear, easy way. US dual citizen taxes follow one basic rule: the US asks you to report your income each year, even when you live in another country. Most people do not ...