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Electrical Installation & Maintenance

Every day, we all take for granted the provision of power and lighting, whether it be in the workplace or at home, and often never give a thought as to how it effects our lives. However, at Dennis Johns it always affects our life, as the provision of electrical services to Domestic, Commercial, Retail, Industrial, Schools, and Public Sector clients has been the mainstay of our business for over 40 years. Our extensive experience and capability enables us to design, install and maintain a complete range of electrical services encompassing a vast range of solutions.

During our 40 years’ experience providing electrical services and maintenance, our reputation has grown. So have we.

We are the preferred electrical installer and maintenance provider for many major names in the Construction Industry as well as the Public Sector. The range of services we provide matches the range and size of our clients. Dennis Johns Service Group has the experience and innovation to continue to provide solutions into the future.





Safety and CompetenceAll Dennis Johns Service Group electricians are fully qualified and trained to the very latest industry quality standards, insuring the highest level of competence and safety in the working environment. DJSG personnel are also trained for Company/Organisation specific work procedures and local requirements, providing RiskAssessments/Method Statement and Inductions as necessary.
Compliance with Building RegulationsAt Dennis Johns Service Group all works and projects carried out are fully compliant with the statutory Building Regulations foe England and Wales. All technicians have the required competencies and certification to provide total conformity. Our electricians are registered under NICEIC and are authorised to Self Certify, saving time and money when undertaking work that requires notification under Building Regulations.
Guarantee of Standards SchemeAll Dennis Johns Service Group technicians are qualified and registered under the NICEIC contractors scheme. As such our electricians are assessed on a regular basis for safety and competence as well as compliance to Building Regulations. As a registered NICEIC Electrician there is an automatic Guarantee of Standards once the work has been completed and certified by the Dennis Johns Service Group.