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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 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 tax extension]()
Free expat tax extensionGet 6 extra months to file – quick, easy, and penalty-free
US tax preparation for Americans in Denmark
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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 →On March 25, 2025, President Trump signed an executive order aimed at modernizing federal payments. The order mandates the transition from paper checks to electronic payments for all federal disbursements, including tax refunds, by September 30, 2025. This shift will have significant implications for US taxpayers and tax professionals. ...
In June 2025, Taxes for Expats (TFX) hosted another live “Ask a CPA Anything” webinar designed specifically for US expatriates and returning clients with questions about international tax obligations. Participants from around the globe joined the live session to get real...
US citizens and green card holders must report their worldwide income – no matter where they live or earn it. The IRS enforces strict rules on disclosing foreign income – yet offers powerful exclusions that can ease the tax burden for expats. Knowing how to report foreign income on 1040 is essential not just for compliance, but for ma...
In the global landscape of taxation, most countries adopt a residency-based approach, taxing individuals based on where they live. However, the United States stands out with its citizenship-based taxation system. This means that US citizens are taxed on their worldwide income, regardless of where they reside. For American expa...
Moving overseas raises many questions about your finances - especially your retirement savings. One common concern is, what happens to my 401k if I move abroad? Your 401k remains an important asset, but managing it from outside the US requires understanding your options, tax implications, and potential challenges. This article...
Understanding the taxation of foreign dividends is vital for US taxpayers, especially expats who invest globally. Foreign dividends are payments from companies outside the US, and their tax treatment differs based on several factors. This guide explains what foreign dividends are, how they’re taxed in the US, and how you...