I would check with some of the local dealerships to see who they use for interior repairs. Most dealerships have mobile repair guys that do interior repairs.
Let me guess, left side of the bottom part that you sit on, right? I had the same problem from sliding in and out of my Runner. It would probably be cheaper just to purchase some new leather covers to replace your current leather covers. There is a guy who listed a brand new set of Clazzio leather covers in the classified section of this forum, for $300.00. You should check that out!