At John Cullerton & Sons Ltd we offer a range of high quality electrical and mechanical contracting services throughout Yorkshire and the North of England. Our expert team of engineers, contractors and consultants have over 25 years’ experience and focus on providing complete solutions for your business or residential property. John Cullerton & Sons is a service driven organisation seeking to deliver 100% client satisfaction on every occasion. We very much appreciate the confidence our clients have in us and below are just a small selection of the many commendations we have received over the years. However we also believe that the best indicator of successful delivery is the level of repeat orders we receive year on year from our valued customers and it’s this high level of repeat business that drives us to achieve our service goals. Electrical Services: Mains and sub main distribution Lighting, including intelligent dimming systems Emergency lighting Fire alarm systems CCTV Security and door access systems Data Installation Energy saving calculations and installations Statutory fixed wire circuit testing and certification Mechanical Services Testing and certification for boiler plants Gas installation Heating and plumbing installations and maintenance Air conditioning and ventilation installations and maintenance Refrigeration Compressed air systems Chilled water systems and supplies Under-floor heating systems Commercial catering Process technology systems