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Altixia LLC

ITIN Application

Your US tax ID — handled in-house, ready in 48 h.

ITIN — Individual Taxpayer Identification Number

Why entrust your ITIN to Altixia

IRS-certified Acceptance Agent (CAA)

We certify your passport directly. No need to mail your original to IRS Austin, no need to obtain a notarized copy from a consulate.

No documents leave our offices

Your passport and file are handled by our own team, on-site. Zero offshore subcontracting, guaranteed.

Support in English

We guide you in English at every step — from the W-7 form to the final IRS letter.

Your gateway to US credit

Without an ITIN, no access to US credit cards (Amex, Chase, Capital One...). It's the first step to building your US credit history and much more.

The ITIN (Individual Taxpayer Identification Number) is your personal tax identification number in the United States. Essential for accessing US credit, opening certain bank accounts, and fulfilling your IRS tax obligations. Altixia handles the entire procedure for you — in-house, no outsourcing.

  • Complete IRS file prepared by our team in 24 to 48 hours
  • Direct CAA certification — your passport stays with you
  • Tracking until the IRS letter is delivered
  • Support in English at every step
  • Access to US credit cards once your ITIN is granted
  • IRS processing time: ~7 weeks after complete submission
Altixia turnaround: 24-48 h. IRS processing: ~7 weeks after submission.
IRS Certified Acceptance Agent

ITIN

ITIN Application

Your US tax ID — handled in-house, ready in 48 h.

Frequently asked questions

Do I have to send my original passport to the IRS?
No. As a Certifying Acceptance Agent (CAA), we certify your passport directly: the original never leaves your hands and is not mailed to Texas.
How long to get the ITIN?
Altixia prepares the file within 24–48 hours; the IRS then processes the request in about 7 weeks after mailing.
What is the ITIN for?
It's your US tax number: it unlocks access to US credit cards and many financial services, and lets you file your returns.