ITIN Application & Renewal Services
As an IRS Certified Acceptance Agent, Best Tax can verify your original identity documents and submit your ITIN application to the IRS. No need to risk mailing your passport. We specialize in helping international entrepreneurs, Amazon sellers, and e-commerce business owners obtain their ITIN securely and efficiently.
Complete ITIN Support
We provide end-to-end ITIN assistance for individuals and families worldwide. Whether you are applying for the first time, renewing an expired ITIN, or need help as a non-resident Amazon seller, we guide you through every step with expertise and care.
- ITIN Application Assistance
- ITIN Renewal Assistance
- IRS Identity Document Verification
- Original Document Verification (CAA)
- Form W-7 Preparation & Review
- Family ITIN Applications
- Non-Resident Taxpayer Assistance
- Tax Return Filing with ITIN Application
- E-Commerce Seller ITIN Support
- Amazon Seller Tax ID Guidance
- ITIN Status Tracking
- Rejection Review & Reapplication
IRS Authorized
Certified Acceptance Agent
Why Use a Certified Acceptance Agent?
How the ITIN Process Works
We have simplified the ITIN application process into five clear steps.
Schedule a Consultation
Contact us to discuss your ITIN needs. We work with clients worldwide via video call and secure document upload.
Document Review
Bring or upload your original identity documents. As a Certified Acceptance Agent, we review and certify them for the IRS without you mailing originals.
Form W-7 Preparation
We complete Form W-7 accurately with all required supporting documentation and tax return if applicable.
IRS Submission
We submit your application to the IRS and monitor the status on your behalf. Processing typically takes 7-11 weeks.
Receive Your ITIN
The IRS assigns your ITIN and mails your assignment notice. We follow up to ensure you receive it and advise on next steps.
Required Documents
You must prove your identity and foreign status with original documents. As a CAA, we can verify your originals and return them to you immediately — no risky mailing required.
Primary Documents (One Required)
- Passport (standalone document — most common)
- National ID card with photo, name, and expiration date
- U.S. driver's license
- Foreign driver's license
- U.S. military ID card
- Foreign voter registration card
- Civil birth certificate
Who We Help
International Amazon Sellers
Non-resident entrepreneurs who need an ITIN to file U.S. taxes for their Amazon or e-commerce business income.
Non-Resident Aliens
Foreign nationals required to file a U.S. tax return but ineligible for an SSN.
U.S. Resident Aliens
Individuals who meet the substantial presence test and need to file taxes.
Dependents & Spouses
Family members of U.S. citizens, resident aliens, or non-resident visa holders claimed on a tax return.
E-Commerce Entrepreneurs
Online business owners from around the world who need a U.S. tax ID for compliance.
ITIN & CAA FAQ
Common questions about ITIN applications and our Certified Acceptance Agent services.
Disclaimer: Best Tax And Accounting Solutions assists with ITIN application preparation and document verification where applicable. Final approval of ITIN applications is determined by the IRS. We do not guarantee ITIN approval or processing timelines.
Apply for Your ITIN With Confidence
As an IRS Certified Acceptance Agent, we make the ITIN process simple, secure, and stress-free. Schedule your appointment today.
Apply for an ITIN