IRS Certified Acceptance Agent
Founder & Lead Consultant, Business Globalizer
Abdullah Al Mamun is the first IRS Certified Acceptance Agent (CAA) in Bangladesh and the Founder of Business Globalizer. With over 10 years of international corporate consulting experience, he has personally helped 5,000+ non-US residents form fully compliant US, UK, and UAE companies, secure ITINs and EINs, unlock global payment gateways like Stripe and PayPal, and navigate complex IRS tax filings. Recognized by Bloomberg, AP News, and Benzinga, Abdullah is on a mission to make global business expansion accessible, transparent, and fully legal for entrepreneurs across 50+ countries.
Got a CP567 Notice? Learn why your ITIN application was rejected, what it means, and how to fix it quickly with expert help from IRS-verified CAA.
Got a CP566 Notice from the IRS? Learn what it means, which ITIN documents you missed, and how to fix it fast without reapplying.
Understand your CP565 Notice from the IRS; what it means, why it’s issued, and how to replace a lost or missing ITIN confirmation letter
Essential 2025 guide on ITIN for foreign investors. Why it’s needed, how to apply, and how it keeps your U.S. investments tax-compliant.
Foreign buyers and sellers of U.S. property essential guidance for ITIN; understand FIRPTA, taxes, and how to apply for your ITIN the right way.
Starting a U.S. company as a foreign entrepreneur comes with its fair share of “Wait, do I need this number or that one?” questions. One
Confused about tax filing with ITIN as a non-resident? Here’s when you need one, how to apply, and when an EIN might work instead.
Let’s learn how ITIN application tracking works, how to check ITIN status, what delays mean, and when to contact the IRS for updates.
Got a lost ITIN number on your hand? Let’s learn how to find or recover it safely, what to do next, and how to request a copy directly from the IRS.
