Given that Romex (R) must be supported within X" of a box (ie main panel), I've seen a lot of panels in basements with concrete walls, but the panels are mounted on a "short wall" descending from the joists above. The short wall may be anchored to the concrete wall at the bottom. The short wall is usually plywood over 2x4s. So the panel is actually surface mounted on a wooden wall. This gives a wooden area where the Romex (R) can be supported.
Who builds the short wall? I'm assuming either the electrician, or a carpenter at the electrician's request.