Need help b2b sales

Hi I'm 24M starting a service based company vercelabs.com. I have done my bachelors in computer science have beend freelancing for 2 years in full stack development but my accounts got flagged so i took business development internship just get experience but at this point im stuck at where to start getting projects for my startup. I didn't learned much on internship and got out because company said that we don't trust you cuz you're running your own startup which was i think valid from their prespective. At this point I need to know how you are getting projects how are you hunting which tools you are using and if you can help me.