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U.S. Taxpayer Identification Services

ITIN & EIN
Application Services

Professional support for individuals and businesses navigating U.S. taxpayer identification requirements — Form W-7 for ITINs and Form SS-4 for EINs.

US CAN Tax Group provides ITIN and EIN application assistance for clients worldwide. Aleksandr Isakov, CPA, Principal of US CAN Tax Group, is an IRS-authorized Certifying Acceptance Agent (CAA).

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IRS-authorized CAA
25+ Years U.S. Tax Experience
Clients Worldwide
What We Do

Two U.S. Taxpayer Identification Services

ITIN Application Services

Professional Form W-7 preparation, eligibility and document review, eligible document authentication under IRS Certifying Acceptance Agent (CAA) rules, and submission support for clients worldwide.

  • Form W-7 preparation and review
  • Eligibility and documentation review
  • CAA document authentication where eligible
  • IRS submission support and follow-up
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EIN Application Services

Full Form SS-4 preparation and EIN application assistance for LLCs, corporations, partnerships, foreign companies where eligible, and foreign owners or responsible parties.

  • Form SS-4 preparation
  • Entity and responsible-party review
  • Application method determination
  • Foreign-owner support and IRS follow-up
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Who We Help

Foreign individuals with U.S. tax filing or reporting requirements
Spouses and dependents who may need a U.S. taxpayer identification number, where applicable
LLCs, corporations and partnerships
Foreign-owned U.S. entities and foreign companies with U.S. tax or reporting requirements
Foreign owners and responsible parties without an SSN or ITIN
Individuals and businesses applying from outside the United States

Whether an ITIN or an EIN is the right application — and whether you qualify — depends on your circumstances and IRS rules. Submitting an inquiry is the best way to determine whether we can assist with your situation.

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Aleksandr Isakov, CPA, IRS-authorized Certifying Acceptance Agent (CAA)
Your Taxpayer Identification Professional

Aleksandr Isakov, CPA

IRS-authorized Certifying Acceptance Agent (CAA)

Aleksandr Isakov, Principal of US CAN Tax Group, is an IRS-authorized Certifying Acceptance Agent (CAA) with more than 25 years of U.S. tax and cross-border experience. He is a CPA licensed in Montana and a Chartered Professional Accountant in British Columbia. As a CAA, he can review and authenticate eligible supporting documents for ITIN applications within IRS rules.

ITIN Application Services →EIN Application Services →About Aleksandr Isakov →
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Important: CAA document authentication is subject to IRS rules, and eligibility for an ITIN or EIN is determined by the IRS. Please do not send tax documents, SSN/SIN, ITIN or EIN numbers, passport scans or banking details by email or WhatsApp. We will provide secure instructions when documents are required.

Need an ITIN or EIN? Start Your Inquiry.

Submit an inquiry and we'll review whether we can assist with your ITIN or EIN application.

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Confidential inquiry process. No obligation.

The information on this page is general educational information and does not constitute individualized tax, legal or financial advice. ITIN and EIN eligibility, application methods and document requirements are determined by the IRS and depend on each applicant's circumstances. US CAN Tax Group is not an agent of the IRS and does not guarantee approval of any application.