About John Cullerton & Sons Ltd

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.

We also provide a 24 hour/ 365 days a year emergency call out service with varying KPI response times to suit your requirements. From small to large companies and homes, you can count on peace of mind with our services.


With a dedication to customer service, we offer a tailored approach to every project, including:

  • Installation

  • Reactive and planned maintenance

  • Refurbishment

  • Statutory periodic inspection and testing

  • Emergency lighting

  • Fire alarm systems


Our Reputation Built on the successful delivery of all projects

Our teams work hard for our clients and this is shown in our high levels of repeat business, achieving through consistent customer satisfaction and quality workmanship.

Through inception to completion and handover, we take personal ownership of your requirements and deliver on time and within budget. We are also known for our environmentally friendly approach and our commitment to ensuring the highest safety standards on site.

We operate within the commercial, retail, education, local authority, leisure, industrial and domestic market, and complete projects of any size, based on your requirements. All of our customers benefit from our transparent communications, from vehicle tracking to our comprehensive database of all certification records, allowing clients to access their own files through a secure web portal.

To find out more about us and our services

Call us now 0191 383 1145

No obligation quotes available


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.

In the latest trading year we can confirm some 88% of sales turnover was repeat business.

“I would like to take this opportunity to thank all your staff in helping me achieve the Electrical Inspection & Testing partnership within the City of Sunderland rapid response is second to none. I would also like to say thank you to all your office staff who never get a mention for all the hard work which goes on behind the scenes. You have a great team and a very professional outfit.”

Sunderland City Council

“Please pass on my thanks to all at Cullerton’s for your continued support with out-of-hours call-outs.”

Graham FM (re Durham Constabulary)

“… pass on my thanks to Cullerton’s for the fantastic job he didmoving the DB board from inside the office at Houghton. He kept disruption to a minimum so as not to inconvenience the tenants which I’m sure made his work much harder…”

Houghton & Stansfield Business Centres

“… Please pass on my thanks for all the great work everyone has done this year.

…….. done a good job and this is now showing in the feedback we are getting. I am looking forward to work with everyone again this year….”

Jacobs (re North Yorkshire County Council Maintenance Framework)