Hi! thanks for posting your question in the Galaxy Forum. One of our moderators is a credit and credit repair specialist, we will reach out to her to get you an answer and guidance.
The best way to build business credit is by starting with a business credit card. It will use your personal credit initially but once you have positive payment history with that card you’ll be able to open other lines of credit, like a business loan, using just your EIN. If you have any other credit related questions feel free to email me at: kalvarez@goodcredit4life.com