Get everyone to join a Union that represents your trade/type of work
If not just for supporting your legal and employment rights.
Unsure but for what your saying I do feel its incorrect if not illegal to work for nothing
from being paid to not, if not immoral to ask. Unless you have been given a massive pay rise.
But the SSP can be changed and also Bank Holidays payments.
But I am sure to stop a Bank Holiday payment at the moment is if an Employee fails
to work any part of the week before. As this happened years back to a colleague I worked with.
Work on your CV Sounds a great employee, give the story to the press as I am sure
the companies they supply will terminate the contracts due to bad publicity.