
Marlow, Buckinghamshire's trusted HV, MV & LV Switchgear Design & Installation Contractors
Oltec is providing expert HV, MV and LV switchgear design and installation across Marlow, Buckinghamshire, backed by more than 40 years of industry experience. Our highly experienced electrical engineers specialise in end-to-end solutions, from power distribution transformers and protection and control systems to battery systems, cable management and substation installation. If you require a single package substation to a complex, multi-site turnkey project, we are focused on providing the technical expertise 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
The installation and commissioning of HV, MV and LV switchgear requires a high degree of technical competence, rigorous adherence to safety standards and a thorough understanding of power distribution systems. At The Oltec Group, our engineering teams possess all of these qualities and more, having spent over 40 years delivering switchgear installation projects across Marlow, Buckinghamshire and throughout the UK. We install and commission Protection and Control Systems, Power Distribution Transformers, Transformer Rectifiers, Battery Systems and all associated cables and cable management systems, covering the complete scope of a modern electrical substation or switchroom installation. Whether your project involves a single package substation or a large-scale turnkey installation with full system commissioning, our engineers will work safely and efficiently to ensure your switchgear is installed, tested and commissioned to the required specification and ready for service.
Specialist Substation Installation Teams Working Nationwide
The Oltec Group has dedicated teams of Power Installation specialists working nationwide, fitting out electrical substations, compounds, control rooms and cable runs across a wide variety of project environments. Operating throughout Marlow, Buckinghamshire and the rest of the UK, our engineers are experienced in the full scope of substation infrastructure installation, including the installation of framework and plinths on which primary equipment is seated. We understand that getting the foundations right is critical to the long-term performance and safety of any switchgear installation, and our teams approach every element of the substation build with care and precision. In addition to standard substation configurations, we are also experienced in the installation of modular type substations, generator systems and protection panels, giving clients the flexibility to choose a solution that best meets their operational and commercial requirements. Whatever type of substation installation your project requires, our teams have the skills and experience to deliver.


Experienced Switchgear Installers and Substation Electricians
Part of what sets Oltec FM apart from other switchgear contractors is our ability to manage every aspect of the installation process, including specialist lifting operations and plant movement activities. Our teams are fully trained to carry out these activities safely and efficiently, ensuring your project stays on schedule and that all equipment is positioned correctly and without damage. With extensive experience of working with switchgear from many different manufacturers, our installation engineers are comfortable with a wide range of equipment types and configurations. Across Marlow, Buckinghamshire and the rest of the UK, our substation electricians install cable management systems relevant to the site environment and specification, followed by the installation of all power, control and fibre cabling. Small power and lighting installation completes our scope, meaning clients who choose us benefit from a single contractor capable of delivering the full electrical installation works within their substation or switchroom project.
Contact Our Expert Team Today for Turnkey Electrical Solutions
Our complete substation build capability means that clients working with Oltec FM can significantly reduce the number of specialist contractors required to deliver their project. From the installation of equipment frameworks and primary HV, MV and LV switchgear through to cable management systems, power and control cabling, fibre cabling, small power and lighting, all works are delivered by our own highly trained and experienced teams. We operate throughout Marlow, Buckinghamshire and on a nationwide basis, giving clients the confidence that wherever their project is located, they have access to a capable, experienced and accountable contractor. This integrated approach also benefits programme delivery, as our teams work in close coordination rather than in sequence as separate contractors would. If you are considering a substation build and want to explore the benefits of working with a single, experienced electrical installation contractor, get in touch with us today and our team will be pleased to talk through your project requirements and how we can best support them.


