I'm recently diagnosed, and have thus missed out on a near lifetime of potential links with humans like myself.
I've had plenty rejections in the neurotypical world, so have more or less stopped trying.
I think online would suit me best, for a couple of reasons. It feels safer, and I'm in Scotland so face to face resources appear to be thinner on the ground, unlike in London and the South.
What's Next? from the NAS Scotland might also be of interest. It's a new service for newly-diagnosed and self-realised adults in Scotland.
Sorry for yet more links, but I suspect from your other thread that you might not mind them! 
From the two linked pages - which include sign-up details:
"What’s Next? is a programme of support designed for recently diagnosed or self-identifying autistic adults who are over the age of 18 and living in Scotland."
"The programme aims to support and empower autistic people by deepening their understanding of autism and autistic identity, improving wellbeing, and fostering peer connections.
Participants will attend a six-week block of online sessions where they will explore a variety of topics including diagnosis, identity, masking, executive functioning, spoon theory, and making connections."
