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Trusted Electrical Contractors in Darlington
Established over four decades ago, S E M Electrical has built a reputation as a trusted electrical contracting partner across agricultural, industrial, commercial, and domestic sectors. Our team of NICEIC-certified professionals delivers tailored electrical solutions, combining technical expertise with a commitment to safety and compliance. With 24/7 emergency response capabilities and a focus on long-term client relationships, we prioritise reliability and efficiency in every project.

Our state-of-the-art workshop in Darlington supports nationwide operations, ensuring timely delivery of installations ranging from grain dryer control systems to complete building rewires. Backed by industry accreditations and a 10 million pound public liability insurance policy, we maintain rigorous technical standards while offering cost-effective, client-focused services.
Services
Agricultural Installations Industrial Electrical Work Commercial Systems Domestic Services Emergency Call-Outs
Highlights and features
  • We have over 40 years of experience in electrical contracting across multiple sectors
  • Our company is NICEIC-certified for electrical safety and compliance standards
  • We provide 24/7 emergency call-out services for urgent electrical issues
  • We offer tailored electrical solutions for agricultural, industrial, and commercial clients
  • Our team maintains a 10 million pound public liability insurance policy
Associations and certifications
  • NICEIC
  • AEMT
Services
Agricultural Installations
We specialise in electrical systems for agricultural settings, including lighting control, heating systems, and feed control installations for chicken and pig farms. Our expertise extends to grain dryer control panels and remote CCTV monitoring solutions. All installations comply with current safety standards while optimising operational efficiency for farming businesses.
Industrial Electrical Work
Our industrial services cover 3-phase installations, machine wiring, and fault finding for factories and warehouses. We implement solutions engineered to British Standards, minimising operational disruption while ensuring safety compliance. Our team supports facilities management through planned maintenance contracts and emergency breakdown assistance.
Commercial Systems
We deliver comprehensive commercial electrical installations including data cabling, fire alarm systems, and lighting solutions for offices and retail spaces. Our NICEIC-certified engineers ensure compliance with building regulations while providing tailored infrastructure to support business operations and security requirements.
Domestic Services
Our domestic services include consumer unit upgrades, complete rewires, and electrical safety testing in compliance with Part P regulations. We offer transparent advice and neat, code-compliant installations backed by NICEIC guarantees, ensuring safe and reliable home electrical systems for Darlington residents.
Emergency Call-Outs
We provide round-the-clock emergency electrical support for urgent faults and breakdowns. Our tracked vehicles and job management software enable rapid response times, with engineers available to resolve critical issues at any hour while maintaining strict safety protocols for domestic and commercial clients.
People
Fraser Semple
Managing Director
Fraser Semple leads S E M Electrical with over four decades of industry experience, overseeing operations and client relationships. He ensures the company maintains NICEIC certification standards while driving innovation in electrical solutions across multiple sectors.
Questions
What electrical services do you offer for agricultural businesses?
We provide complete electrical installations for farms, including lighting control systems, grain dryer panels, and CCTV monitoring solutions tailored to pig, chicken, and dairy operations.
Are your electricians certified for industrial projects?
Yes, our team holds NICEIC certification and specialises in industrial electrical work including 3-phase installations, machine wiring, and emergency fault finding for factories and warehouses.
Do you provide emergency electrical repairs?
We offer 24/7 emergency call-out services for urgent electrical faults, with tracked vehicles and job management software ensuring rapid response times for critical issues.
What commercial electrical services do you cover?
Our commercial services include data cabling, fire alarm systems, lighting installations, and PAT testing for offices, retail spaces, and commercial developments across the North East.
Are your domestic electrical works compliant with regulations?
All domestic work meets BS 7671:2008 standards and Part P building regulations, with transparent advice and NICEIC-backed guarantees for consumer unit upgrades and complete rewires.
What areas do you serve?
Based in Darlington, we operate throughout the North East of England, providing electrical services for agricultural, industrial, commercial, and residential clients.