Apply directly with the IRS using Form SS-4. If you have an SSN or ITIN, the online application issues the number immediately. Without one, you file by fax or mail and wait.
You need the legal entity name, the formation state, and a responsible party before you start. Our step-by-step guide to getting an EIN covers each field on the SS-4 and the mistakes that cause the IRS to reject an application.
Inkle Tax prepares and files US federal and state returns for your company.
Full guide
How to Get an EIN for Your Startup?