50,000+ clients, 193+ countries, 4,000+ reviews

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.
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).
In addition to tax filing & compliance, TFX offers tax planning & phone consultations. Choose a convenient time & book directly in your client portal.
TFX pricing is transparent, which means you’ll always know what you pay for.
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Viele Amerikaner, die in Deutschland leben, stellen Jahre später fest, dass von ihnen immer noch erwartet wird, US-Steuererklärungen abzugeben, ausländische Bankkonten zu melden und die internationalen Meldevorschriften einzuhalten. In vielen Fällen wird das Problem erst sichtbar, wenn Sie FATCA-bezogene Anfragen von deutschen...
“The overwhelming amount of online information left me feeling panicked; I did not know where or how to start the process of becoming tax compliant.” Aishah Ahmed Bumadian, American expat in the UK For many Americans living abroad, US tax obligations come a...
Constructive Ownership is more than a technical tax term – it is the way the IRS prevents taxpayers, corporations, and foreign companies from sidestepping reporting thresholds. This guide tells you about how these rules apply in practice, why they matter, and where they trigger reporting duties. By attributing shares held by famil...
Pour de nombreux Américains vivant en France, le problème commence par un simple e-mail de leur banque. ...
IRS Form 14457 is the preclearance request and application for the IRS Criminal Investigation Voluntary Disclosure Practice, a 2-part process for taxpayers with willful tax noncompliance and possible criminal exposure. Start with the current IRS overview of the ...
US expats use the same federal income tax brackets as taxpayers living in the United States: for 2025, ordinary income rates run from 10% to 37%. But many qualifying expats owe $0 in US income tax after the Foreign Earned Income Exclusion (FEIE), the Foreign Tax Credit (FTC), or both. Filing is not the same as paying. For the 2025 tax y...