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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 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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TestimonialsTrusted by tens of thousands of clients worldwide
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CPA vs EA vs Tax attorneyWhich should you hire and why?
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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 firmsMany imitators, only one TFX. Ask the tough questions
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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
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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 →Whether you crave a career leap, a lower cost of living, or golden-years sunshine, thousands of your fellow citizens are making the leap to become an expat abroad. This guide to relocating gives you every practical and emotional tool you need – from choosing a visa to filing your first foreign tax return – so you can be an e...
Many US expats assume that once they move abroad, they never have to think about a state tax again – yet audits and surprise bills prove otherwise. Whether you are a digital nomad dialing in from Bali, a retiree on Portugal’s Algarve coast, or a professional posted to London, you must know when expats pay state taxes so you can plan, ...
The penalty for failing to report your foreign bank accounts in 2025 could cost more than the accounts themselves, with willful FBAR penalties reaching $165,353 or 50% of the account balance per violation. FinCEN’s latest inflation adjustment and tighter enforcement, along with new court rulings, have made FBAR compliance riskier ...
Based on the One Big Beautiful Bill Act (OBBBA) signed into law on July 4, 2025, here are the key issues that the legislation does NOT address: Fundamental expat tax system issues Citizens...
Filing taxes as an American abroad presents unique challenges that domestic taxpayers never face, particularly when it comes to meeting filing deadlines while qualifying for special exclusions. The choice between Form 2350 and Form 4868 can determine whether you successfully claim the ...
Updated for the 2026 filing season, this guide clarifies the foreign housing exclusion for US citizens and resident aliens who spent 2025 abroad. By unpacking which housing expenses qualify – and how the benefit dovetails with the foreign earned income exclusion – it empowers professionals, entrepreneurs, and retirees to trim their US...