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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The IRS released updated figures on October 9, 2025, confirming official inflation adjustments that affect income brackets, deductions, and credits for tax year 2026. Published in...
Every US taxpayer has to file an annual return – but things get more interesting when residency changes midyear. Spending only part of the year as a resident and the rest as a nonresident makes you a dual-status alien under IRS rules. It’s a unique position that calls for special filing steps, careful income reporting, and attention t...
To renounce US citizenship is more than signing forms – it’s a defining moment that ends your legal and tax obligations to the United States. The process, which begins at a US consulate abroad, makes the decision final for many Americans living overseas. For some, the exit tax adds another layer of complexity. These can turn...
Living and working abroad can bring freedom, but it also means navigating a unique set of US tax rules. One of the most important is the Physical Presence Test, a standard that determines whether you can shield part of your income from taxation. It connects directly to the Foreign Earned Income Exclusion, offering a pathway to significant savings...
Many US taxpayers with foreign accounts or assets discover too late that the Internal Revenue Service (IRS) expects full disclosure, even if those assets are abroad. Some believe that living in the US means overseas property or bank accounts don’t count. Others assume a foreign bank or employer has already reported the information, not real...
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 family or entit...