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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Many people give up their US citizenship and think that is where it ends. But no, sometimes through bank checks or other triggers, they later learn they must fix old filing gaps like missed returns or foreign account reports. That is why, in 2019, the Internal Revenue Service introduced a special path to help former citizens get compliant without...
Many Americans living overseas open savings and foreign financial accounts as they build new lives abroad. Then, they learn the IRS still needs reports about those accounts and income from them. The Offshore Voluntary Disclosure Program once helped people fix old tax mistakes and stay in good standing with the IRS, but it was complex to use. As g...
On November 13, 2025, the IRS issued Notice 2025-67, setting new cost-of-living adjusted limits for retirement plans and IRAs for tax year 2026. The notice touches almost every corner of the retirement system – from 401(k) contribution limits and 457 plans ...
Living abroad is exciting, but doing taxes from another country can be confusing. Many Americans choose the best expat tax service in 2025 to make things simple and avoid mistakes. Getting help from experts makes tax time calm and easy. Accurate FBAR and FATCA compliance keeps your money safe, and the foreign earned income exclusion hel...
Owning a company outside the US can feel confusing when you see taxes taken in two places. The Section 962 election is a rule that helps make things fair. It allows an American who owns a foreign-controlled corporation overseas to use the same tax steps that a large US company uses. This means you can lower your bill if the foreign tax rate is no...
Most of the stories we hear every day are from Americans who moved abroad and never filed their US tax returns – some simply forgot, others didn’t realize they still had to, and a few chose to take their chances. But this is not the time to ignore it. Penalties can climb quickly, interest keeps growing, and the IRS can catch up even y...