Oxfordshire, Gloucestershire, Hertfordshire
I would guess and hope that the plan is that once semi-pro they can pay local Union talent enough to come and play for them instead of their local decent level amateur club (not sure how CC1 wages would compare to say RU National League 2 or regional leagues). A lot of this may depend on the wealth of the backers, crowd income etc.
The Oxford model seems to be doing this combined with bringing established RL players down from the North. I
I know opinion is divided, but I fully expect Oxford to do much better than Glos or Hemel this year (will wait to be proven wrong).