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 Foreign Investment in Real Property Tax Act, FIRPTA, is a part of US tax law that can require withholding when a foreign person sells US real estate. In a typical sale, the buyer has the immediate filing duty, not the seller. That is why b...
If you own a home abroad or in the US, you may be able to reduce your US tax bill through the mortgage interest deduction. For US expats, this benefit is often overlooked – or misunderstood. This guide covers who qualifies, what the current limits are, and how to apply this deduction correctly, whether your property is in London, ...
A successful move starts long before your flight. This guide turns a big life change into a practical plan - from documents and visas to banking, insurance, and US expat taxes after moving abroad. It is written for Americans who want a realistic checklist, clear timing, and fewer surprises once they land. ...
アメリカの税制を理解することは、米国市民やグリーンカード保有者にとって非常に重要です。たとえ海外に長く居住していても、アメリカでは独自の税制が適用され、全世界所得課税の対象となる場合があります。 本ガイドでは、アメリカの税制度について体系的に解説し、以下のポイントを詳しく説明します: 誰がアメリカで納税義務を負うのかどのような税金の種類があるのか 現行の税率や控除の内容 アメリカの確定申告の方法と提出時期 国際租税条約によるアメリカ国外在住者の二重課税回避の仕組み 誰がアメリカで税金を支払う必要があるのか? ...
Handling filing taxes for deceased can feel like one more administrative burden during an already difficult time. The good news is that the process is usually more structured than it looks. In most cases, you first need to figure out whether a final individual return is required, then confirm who has authority to file, and finally check whether t...
It is a payer or issuer reporting flag, not a box you complete yourself. In current IRS instructions, the 1099 FATCA filing requirement box is tied to chapter 4 account-reporting rules, which are part of FATCA. Whether the FATCA filing requirement box is checked, whether the FATCA filing requirement box is not checked, or whether the FA...