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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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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 Spain
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 →If you receive a large gift or inheritance from someone abroad, you might wonder if you owe tax. In most cases, you don’t – but you may need to report it to the IRS using Form 3520. This guide explains what the foreign gift tax really means, when you must report, how the rules work in 2025, and what recent laws like the One Big Beauti...
Owning a foreign company means your US tax responsibilities don’t end at the border. Even if you live overseas, the IRS still requires you to report foreign business interests and financial accounts, often through complex information returns and the FBAR. Below, we break down what you need to file, when it’s due, what penalties to avo...
Foreign pension income isn’t something you can afford to ignore come tax season. If you're a US citizen or resident, the answer to Is foreign pension income taxable in the US? is a firm yes – regardless of where the money originates or where you currently live. From employer plans in Europe to private retirement accounts in Asia, ...
Understanding green card foreign income tax is essential for anyone navigating life outside the US with permanent residency. This guide outlines what income is taxed, which forms to file, and the key exclusions and credits you may be eligible for. Whether you're working overseas or retired abroad, the rules for green card taxes still apply....
If you earn foreign rental income – whether from a vacation apartment in Spain, a family home in Mexico, or a long-term lease in Canada – you must report it to the Internal Revenue Service (IRS). Many Americans believe that paying taxes in the country where their property is located exempts them from US reporting requirements, but tha...
If you spend significant time in the United States but consider another country your home, you might be surprised to learn that the Internal Revenue Service (IRS) could still classify you as a US tax resident – even without a green card. This often happens to business travelers, seasonal or temporary workers, and individuals who spend long ...