William Cook Cast Products

William Cook Cast Products Limited, a part of the UK-based William Cook Group, is a long-established contract manufacturer specialising in components and systems for safety-critical applications. Employing 500 people across three manufacturing sites in Sheffield, England, the company leverages a heritage dating back to 1840 to deliver high-quality engineered solutions.

Their core capabilities encompass specialist steel castings, advanced CNC machining, and integrated 3D printing and casting technologies. Supported by advanced manufacturing services like Non-Destructive Testing and metrology, William Cook serves diverse industries including defence, rail, nuclear, energy, intermodal, architectural, and naval markets. Their machining facilities, located in Leeds and Sheffield, are equipped with 31 CNC machining centres, including a Correa FOX 50 gantry milling machine and modern 5-axis machining centres, capable of handling large and complex metal components.

William Cook Cast Products is certified to ISO 9001, ISO 14001, and ISO 45001 standards, demonstrating a commitment to quality, environmental management, and occupational health and safety. The company is a member of Make UK and holds the Armed Forces Covenant, underscoring its dedication to supporting national defence and its workforce. They are also associated with the AMRC and Cast Metals Federation, highlighting their focus on advanced manufacturing and metal casting innovation.