Double glazing giant Everest owed over £30m as it crashed into administration Business Double glazing giant Everest owed more than £30m when it crashed into administration earlier this year, it has been revealed.
Everest: Jon Moulton’s double-glazing supplier crashes into administration leaving hundreds of jobs at risk property Everest, one Britain’s biggest double-glazing suppliers, has fallen into administration, leaving 350 jobs at risk.