TinTax prepares and files your IRS Individual Taxpayer Identification Number application. Pay securely, share your details once, and we handle the rest.
Pick the ITIN service that fits your situation and pay securely by PromptPay or bank transfer.
Upload your payment slip. We confirm it automatically — usually in seconds.
Fill in one guided form and upload your documents. Everything is encrypted and private.
Our team reviews everything and files your application with the IRS, keeping you updated on LINE.
Transparent pricing. No hidden fees.
An Individual Taxpayer Identification Number (ITIN) is a tax-processing number issued by the U.S. IRS for people who need a U.S. taxpayer number but are not eligible for a Social Security Number.
Once we file with the IRS, processing typically takes several weeks. We keep you updated at every step.
Yes. Your data and documents are stored encrypted on our own systems, are never shared for marketing, and are used only to prepare your ITIN application.
Usually a passport. If you don't have one, other government IDs may work but carry a higher chance of IRS rejection. The form guides you based on your answers.