They care and they get things done.
They care and they get things done.. I highly thank Gizem U from theitin for smoothing, facilitating any process and answering any questions I ask and for Federal Income Taxes filling in specific
By Alper N.
Saturday, November 7, 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
They care and they get things done.. I highly thank Gizem U from theitin for smoothing, facilitating any process and answering any questions I ask and for Federal Income Taxes filling in specific
By Alper N.
Thank you Gizem U. He was always reaching out to me to remind me about what needs to be done to be able to file my taxes before the due date. He was patient enough to explain everything I needed to know.
By I. C.
Me asesoró Gizem U y fue todo impecable, ningún problema, gracias.
By Jean Paul L.
Thank you Mehmet A. de Theitin for your invaluable help in setting up my company in the United States. The team was very efficient and attentive.
By Blanca C.
they help me to do the federal taxes they are so professional and fast I recommend them
By Deear O.
Thank you to TheITIN.com team! I’m very satisfied with the services provided. From beginning to end, the team guided me through the entire process and patiently answered all of my questions—and I had a lot of them. My situation was somewhat unique, which made the process longer than usual. However, throughout the entire 3–4 month period, they remained supportive and responsive, and we were ultimately able to successfully complete everything. I would like to give special thanks to two team members who were primarily responsible for working with me. Mehmet A. assisted with filling out forms and preparing all the necessary documentation for the EIN setup. Ozgur was instrumental in helping me open and set up my bank account, as well as my Stripe account for the business. With this level of service, it’s easy to remain a loyal customer. Best regards, Bogdan vestaldesigns.com
By Bogdan V.
great service, with prompt replies and indications. Clear tasks assignment 'me/them' style, ideal for delegation. A special thank you to Gizem U. for his final assistance during tax filing. well done
By Simone
Son muy rápidos, y muy claros con la información que suministran y sobre todo muy amables. El señor Mehmet A me presto un excelente servicio
By Natalia D.