The main reason that the chains our going national is they need to move away from the shops paying contractors out of the till as money was going missing, manager says the window cleaning is £20 a week when the shiner only charges £10 a week. It's head office of the chains playing big brother, also they get budget costs across the company much better for budgets.
Just try and ask the store who has won the contract, contact them and ask to sub the work as there is not a national retail window cleaning company in the UK yet!!!!!!!