
Sutton, Greater London's trusted HV, MV & LV Switchgear Design & Installation Contractors
Looking for a trusted partner for HV, MV and LV switchgear design and installation in Sutton, Greater London? Oltec FM delivers over 40 years of experience delivering high voltage switchgear projects for businesses of all sizes. Our highly skilled electrical engineers provide turnkey solutions covering power distribution transformers, protection and control systems, battery systems, cable management and substation installation. Whether you require a single package substation or a complex, multi-site turnkey installation, we bring the experience, technical capability and dedicated resource your project demands.
☎️ 0800 038 9786
✉️ info@oltecgroup.co.uk
✔ Established 40+ years ✔ Fully accredited
✔ Nationwide coverage ✔ 24/7 emergency support

Expert HV, MV and LV Switchgear Installation and Commissioning
Oltec Services provides highly trained and competent engineers to install and commission HV, MV and LV switchgear across a broad spectrum of project types and scales. Our electrical engineering expertise covers Protection and Control Systems, Power Distribution Transformers, Transformer Rectifiers, Battery Systems and all associated cables, cable management systems and ancillary equipment. Operating throughout Sutton, Greater London and the wider UK, our specialist teams are experienced in delivering everything from a standard package substation installation through to a full turnkey large-scale switchgear installation and system commissioning project. We understand that no two projects are the same, and our flexible, client-focused approach ensures we can accommodate the specific technical demands of your installation. Whether you are an energy provider, a network operator, an industrial client or a construction contractor, we have the skills, certifications and resource to deliver your HV, MV and LV switchgear project safely, on programme and to the highest standard of quality and compliance.
Specialist Substation Installation Teams Working Nationwide
The delivery of a successful substation installation project depends on the quality and experience of the teams on the ground. At Oltec, our dedicated Power Installation specialists bring years of hands-on experience to every substation, compound, control room and cable run installation they undertake. Working throughout Sutton, Greater London and on a nationwide basis, our engineers have extensive knowledge of the full substation build process, including the installation of equipment frameworks and plinths, modular substation units, generator systems and protection panels. We work across a wide range of sectors and project types, from utilities and renewables to industrial and commercial environments, and our teams are fully trained to work safely and efficiently in all of these settings. If your project requires experienced substation electricians who understand the importance of quality, compliance and programme delivery, our Power Installation teams are ready to support you.


Experienced Switchgear Installers and Substation Electricians
Oltec takes a truly end-to-end approach to switchgear installation, covering not only the electrical installation works but also any specialist lifting or plant movement activities that form part of the project. Our experienced teams manage all associated logistical challenges safely and efficiently, ensuring that plant and equipment arrives in position without delay or incident. With a workforce of trained switchgear installers experienced across a wide range of switchgear manufacturer types, we are able to work with virtually any equipment specification your project demands. In Sutton, Greater London and across the UK, our substation electricians install cable management systems to suit the site environment and technical specification, and subsequently install all power, control and fibre cabling into those containment systems. We additionally cover the installation of small power and lighting, rounding out our comprehensive installation offering and providing clients with a single, accountable contractor for their complete substation electrical installation works.
Contact Our Expert Team Today for Turnkey Electrical Solutions
Reducing supply chain management demands is a priority for many of our clients, and our complete substation build capability at Oltec FM is specifically designed to address this need. With experienced teams covering every element of the electrical substation installation process, from equipment framework and plinth installation through to HV and LV switchgear installation, protection and control systems, cable management, power and control cabling and small power and lighting, we offer a genuinely end-to-end service that removes the need for multiple specialist contractors. Based in Sutton, Greater London and working on projects throughout the UK, we have the resource, the accreditations and the track record to deliver complete substation builds efficiently and to the highest standards of quality and safety. If you would like to find out more about how our complete substation build service could benefit your project, please do not hesitate to get in touch with our team, who will be delighted to discuss your requirements and provide further information.


