Send out 10,000 flyers to local neighborhoods.
Offer local groups (hoa, scouts, AA, non profits) a meeting space
Host networking nights/days for local businesses. Even do a monthly realtor day, monthly lawyer day, doctor day, anything where businesses can network.
Hold game nights. Maybe an annual chess tournament or board game tournament?
Sounds like you need to get more first time customers who then go “wow this place is awesome!, i need to come back and bring so and so”
Once a month have “free coffee for cops” or something.
Anything that people enjoy so much they make it their daily stop instead of Starbucks or dunkin.
Over 99% of people will never work for themselves, the idea can be so alien it makes people uncomfortable. Do your research and keep on trucking.