Antony Clive Parsell

Hillary Bidco Ltd. is a holding British company that operates a subsidiary which sells, manufactures, and installs replacement windows, exterior doors, conservatories, and other exterior home improvement products.

Everest Ltd. manufactures and distributes doors, windows and related home improvement products. It manufactures, installs and supplies uPVC and aluminum windows and doors, conservatories, roofline products, garage doors, security systems, kitchens, driveways and home improvement products. The company was founded in 1965 and is headquartered in Potters Bar, the United Kingdom.