Williaam Cox

Williaam Cox is one of the market leading specialists in architectural glazing and cladding, ‘Coxdome’ daylight products, smoke and heat ventilation and plastic distribution. We are a 50:50 joint venture between SISK Group and CRH plc.

Founded in 1966, Williaam Cox began as a rooflight supplier to become Ireland’s largest manufacturer of unitised and bespoke facades. During the last quarter of 2010, we were awarded the “Specialist Contractor of the Year” at the Building & Design Awards.

With premises in Belfast and Dublin, our core competencies are centred on design and state of the art production techniques. Williaam Cox offer clients full building envelope solutions, managing the entire turn-key installation.