I think my MD looked into marking up parking bays, but the parking area as you can see is rubbish and the markings wouldn't last long unless it's completely repaved which means £££. He also looked at getting his own wheel clamp off ebay, but the change in law put him off
Kerrse, we do work in the dumpiest building in Oxford

though it's a nice area with lots of posh restaurants, nice houses etc and our building gets 'tagged' pretty much every night with some new thingyes, tits and bums that face the kids park down the other side of the building. They get removed and it's like giving them a blank canvas