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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
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![Tax planning]()
Tax planningStrategic phone consultation with a senior tax expert
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![FBAR filing]()
FBAR filingStay compliant with foreign account reporting (FBAR)
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![Tax return check]()
Tax return checkWe’ll review your past returns for costly mistakes
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![Representation]()
RepresentationWe’ll speak with the IRS and handle it for you
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![PFIC reporting]()
PFIC reportingExpert Form 8621 preparation for accurate, compliant filings
US tax preparation for Americans in Finland
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 →IRS Form 5472 is an information return required under IRC §6038A and §6038C. A US corporation with 25% or more foreign ownership – and any foreign-owned single-member LLC classified as a disregarded entity – must file Form 5472 for each tax year in which re...
Running a business in another country can feel exciting and confusing. Tax rules from the US still apply, even when the company is formed overseas, and some of those companies fall under a special label called a controlled foreign corporation (CFC). A controlled foreign corporation can cause a US shareholder to include certain income cu...
The form you need depends on whether you are a US person for tax purposes or a foreign person, not on whether you live outside the US. That single rule resolves most W-8 vs. W-9 confusion before you go any further. Quick answer: US person (citizen, green card holder, resident alien, domestic entity) si...
For the 2026 filing year, based on 2025 income, partnerships with foreign partners must act as withholding agents on effectively connected taxable income, or ECTI, under section 1446. That filing job now sits alongside the separate 10% transfer-withholding rules under section 1446(f), which apply when a foreign partner sells a partnership interes...
The Internal Revenue Service introduced the ...