Transcription services you're probably best offering locally if working from tapes or hand-written notes, for obvious reasons. As for the rest - proofreading - it's a tough market. The world is littered with kids who have a basic grasp of English and think they can make money proof-reading (not suggesting you're one of those) at one end of the market, and real pros like Phil & Martha O'Connor
The Writer's Consultant (both written best-sellers, he's a former Pulitzer judge) and Barbara Rogan
Barbara Rogan's Next Level Workshop (ex agent, written several novels) at the other, with a plethora of varying talents in between.
I'd suggest you get a website, get a body of work behind you and get some testimonials. And get a different job!