What would it take to get some paying customers? Perhaps a grant or seed stage funding could come after that maybe? I'm in the UK too and have had seed funding

What would it take to get some paying customers? Perhaps a grant or seed stage funding could come after that maybe? I'm in the UK too and have had seed funding from a couple of schemes so they are out there. I'd be happy to help with suggestions. My email is in profile if you want to discuss.