There are a lot of companies that do this type of work. In particular you will find this work offered in Police Station cell blocks.
There is not a lot to it, to be honest but I have always avoided it like the plague if only for commercial reasons.
You see, you will normally be asked to tender to provide an emergency cover to deal with spillages at a given police station.......or for a certain 'division' or indeed an entire Police Authority. You have no way of knowing where, and how often a spillage will occur and can easily start losing money.
Try getting a call in the middle of the night on a busy Friday night/Saturday morning...............asking you to go to a police station 40 miles away to clean faeces off a cell wall.
