Contact Our Business Filing Experts

If you have any problems or questions with your EIN application or IRS filing, our trained business filing experts are ready to assist you. Representatives are available Monday through Friday, 9 AM – 6 PM EST.

Use the form below to submit a support request. A business filing expert will be in touch with you as soon as possible. If submitted after office hours, we will respond on the next business day.


Einfilingtax is an application assistance and filing service that acts as a Third Party Designee to assist clients in obtaining Employer Identification Numbers (EIN) from the IRS. We are not affiliated with the Internal Revenue Service or any other federal or state organizations. We do not provide legal, financial or other professional advice. We are not a law or an accountancy firm nor are we affiliated with either. Users of this site may also visit http://www.irs.gov if they wish to complete an EIN number application free of charge on their own, however they are not eligible for assistance or a simplified application process from us.

© 2025 KAYOOF LLC . All rights reserved.

Scroll to Top