Gizem U was great
Gizem U. was able to assist me with the process, i am eternally grateful for it!
By Marian S.
Monday, November 2, 2026 · Customer reviews of US businesses

The Fair Hearing score
Excellent
595 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
The Best Online Certified and Authorized EIN-ITIN Provider by IRS!
TheITIN (theitin.com) has 595 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
595 approved reviews, newest moderated first
Gizem U. was able to assist me with the process, i am eternally grateful for it!
By Marian S.
My Experience with TheITIN was great and smooth. I received my ITIN way much earlier than I expected. Gizem handled the process. I recommend TheITIN.
By Erick
TheITIN delivers fast, transparent, and friendly business and ITIN services—customers praise speedy document turnaround, clear pricing, and excellent support from reps like Gizem U. Clients highlight a smooth, user-friendly portal, responsive communication, and reliable help forming US companies and ITIN applications—highly recommended for efficient, professional service.
By Hoàng Tùng N.
Hello, I just want to thank the theITIN team, especially Gizem, because she was the one who supported me throughout the entire process of obtaining my ITIN number. Honestly, the process was quite simple. They asked me for some information, I sent it to them, and they took care of processing my ITIN number. I simply had to wait for the processing. Once my number was processed, I had some questions regarding the payment process for shipping the document to my home, and they explained the steps very well, quickly, and easily. In short, I am honestly very grateful to the theITIN team for their help and the very simple process. I would definitely use them again for other procedures and would recommend them to my acquaintances. Thank you.
By Marcos L.
I expected 13 weeks to get my ITIN. But I have already got it before 13 weeks. Good job.
By Ruhul A.
I had a great experience with TheItin service. The process was seamless and professional, and I received my ITIN today without any issues. What I appreciated the most was their excellent customer support. They were polite, responsive, and quick to reply to my emails, which made the whole process much easier. This is something I really value, especially compared with other services where getting a response can take days. Overall, I’m very satisfied with the service and would definitely recommend them to anyone looking for a professional and reliable ITIN service.
By Feriel
I was well assisted bei Gizem and there was no problem on their side helping me to receive an ITIN. They were always friendly and responded quickly
By Moe
a prompt and reliable processing of my ITIN at an affordable price. Thanks for that.
By Viez