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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Years of careful saving abroad can lose their shine when the same income is taxed twice – once overseas and again by the IRS. That moment of frustration has a fix, known as, foreign tax credit, which bridges two tax systems, cutting what you owe to the IRS and protecting the value of your foreign income. From a single dividend to complex ov...
Many Americans with foreign businesses are surprised when their profits face additional tax from the US, even after paying high local rates abroad. This double taxation often stems from complex global income rules that few understand. The GILTI high tax exception helps limit that extra tax when foreign earnings exceed a certain threshold, offerin...
Few things sting more than a $10,000 fine for a simple oversight. That’s what many Americans with overseas businesses face when Form 8858 goes unfiled. This form links your foreign entity’s books to your US taxes and keeps your international tax compliance airtight. With 2025 now bringing section 987 rule changes for tax years startin...
Filing a corporate tax return in the US takes more than filling out forms – it demands precision and insight. For a foreign corporation doing business across borders, especially in the US, Form 1120-F is the key to showing how income is connected to US activities and how deductions are properly claimed. It transforms complex tax data into a...
For years, many Americans with overseas companies used foreign entities to delay paying US tax on profits earned abroad. Congress responded by creating Subpart F income rules to close that gap and ensure fairness between domestic and international businesses. When a foreign corporation qualifies as a CFC, its earnings can become taxable in the sa...
Every year, more Americans settle abroad, yet the IRS still expects a return. Most expats file Form 1040 with key attachments like Form 2555 for the foreign earned income exclusion or Form 1116 for the foreign tax credit. Others must also report foreign accounts through the FBAR and FATCA Form 8938, making expat tax filing an ongoing duty whereve...