SEM Electrical – Electrical Engineers and Contractors

Our Services



Agricultural installations from new lighting in barns and stables to the installation and building of control panel for grain dryers. We have extensive experience in lighting control, heating control and feed control systems.



As specialist electrical contractors, SEM Electrical works extensively on installations in industrial premises, such as factories, warehouses, chemical plants, and sewage works. SEM Electrical specialises in all aspects of industrial electrical installations such as 3-phase installations, Machine installations, Fault finding and Inspection & Testing.



SEM Electrical has a wealth of experience in commercial electrical installations. Its teams of highly skilled and trained electricians and data cabling experts are able to complete a variety of jobs  such as: Lighting systems, Data Cabling, Fire alarm systems, Emergency lighting, CCTV and access control systems



It’s important to have electrics routinely inspected and tested to check they’re still safe, and to ensure any work undertaken complies with Part P Building Regulations. At SEM Electrical we can provide the following services: Socket outlets, fused spurs, light switches, Bathroom and kitchen extractor fans, Blown fuses, circuit breakers, Electrical system fault finding and repairs, Complete building rewires and Smoke and fire alarm systems

Why us?

SEM Electrical are a well established company based in Darlington, we cover all of the North East of England. With over 40 years experience in design, supply and installation of an extensive range of electrical services for the agricultural, industrial, commercial and domestic sectors.

At SEM Electrical we offer an industry recognised reputation for sound advice and cost effective solutions. SEM Electrical provides a complete electrical solution. It is our responsibility and our mission to ensure that your electrical installation is of a high standard and maintains continuous reliability and efficiency.

Ensuring that your electrical installations meet your specific requirements, you will receive a bespoke tailored service that is individual to you and your building.

SEM Electrical has earned a valuable reputation in the North East for providing a professional, reliable and cost efficient service to all our clients. Based in our custom build 5,000ft workshop we take pride in our ability to deliver projects large, medium or small on time and on budget.

Certified Experience

As members of NICEIC and AEMT, SEM Electrical is committed to providing a professional service for all our customers.

24/7 Emergency Call Out

We are available 24 hrs a day all year to provide emergency break down assistance.

40 Years Experience

SEM Electrical has over 40 years experience in all aspects of electrical work so are able to complete any job.

Quality Service

All of our vans are tracked and all our engineers use job management software. So if you have an emergency we can quickly re route our closest engineers straight to you.