Expert knowledge, an extensive supply chain network and a world-class approach to safety, ensures we are at the forefront of the Electrical and Instrumentation (E&I) contracting market.

SSE Enterprise Contracting’s E&I team provides a fully integrated electrical, control and instrumentation installation service. We work in some of the most hazardous environments and business-critical industries, where our customers depend on us to deliver effectively without any surprises.

Our capabilities span the entire project life cycle from design to build, installation and maintenance. We are experts at delivering a fully integrated solution and we take time to understand our customers’ needs before tailoring to meet their specific requirements. This philosophy runs throughout our business and is the reason why many of our customers view us as an integral partner. Furthermore, our uncompromising view on safety allows us to boast that we have one of the market’s most recognised safety records – simply, “if it’s not safe, we don’t do it!”

Health & Safety – our outstanding safety performance is recognised by national bodies such as the British Safety Council and RoSPA who have awarded us the President’s Award which represents 17 successive Gold Awards for safety

CoMAH (Control of Major Accidents Hazards) we work in CoMAH registered UK sites and are supported by our extensive list of fully vetted and approved supply-chain partners which enables us to deliver the most complex projects.

Project Management – we provide experienced management teams with expertise in the E&I field to ensure all phases of a project are managed effectively through sound measurement, monitoring, review and reporting practises.

Our business is built on a comprehensive electrical contracting service that dates back to 1983. We pride ourselves on having the UK and Ireland’s largest team of directly employed qualified electricians, many of which are Compex certified. With this team forming our nucleus, we deliver projects on time and within budget, providing a experienced, versatile, high-quality team using flexible working patterns to minimise disruption and risk. We are experts at building long-term relationships with our customers who take confidence in our ability to take ownership of the project, flex to meet challenges and ensure safety is paramount in everything that we do.

For over 25 years, we have built strong partnerships with customers operating in highly regulated environments including; petrochemical, nuclear, oil and gas, chemical, and pharmaceutical plants. These relationships continue to thrive on our ability to innovate and deliver engineering excellence on time, on budget and most importantly – safely!

From simple electrical installations to complex instrumentation systems, we can deliver the complete solution from design concept through to installation, commissioning and validation. Our experts have the engineering expertise to optimise asset lifecycle through a tailored programme of comprehensive maintenance.

Term and shut down projects
We provide our customers with a comprehensive, dependable shutdown and term service. Staying agile while prioritising safety, we have strong relationships with three of the UK’s largest refiners, as well as renowned pharmaceutical manufacturers and technology giants.

With every turnaround, term, or shutdown project, we deliver significant performance improvements providing a strategic approach that covers all aspects of planned, preventative, and reactive maintenance. With the largest team of Compex engineers in the UK and Ireland, we can flex at short notice to fulfil even the largest projects in the most hazardous environments including CoMAH sites.


Our electrical and instrumentation services include;

  • High Voltage and Low Voltage distribution systems
  • Lighting and small power
  • Containment systems and cable installation
  • Fire, Gas and Emergency Shutdown (ESD) systems
  • Communication systems
  • Trace heating and cathodic protection
  • Hazardous area installation, inspection and reporting
  • Pneumatic, electrical and electronic testing devices for inspection and testing of instrument and system operation, and diagnose faults
  • Installation and maintenance of instruments on new or existing plant equipment and processes
  • Calibration and maintenance of components and instruments according to manufacturer’s specifications (PPE)
  • Repair, maintain and adjust system components or remove and replace defective parts
  • Instrument hook-ups
  • Small-bore piping installation
  • SCADA (Supervisory Control And Data Acquisition) and PLC (Programmable Logic Controller) installation
  • Pressure controls, flow meters and temperature valves
  • Test and pre-commissioning
  • Risk assessment analysis
  • Interpret and use appropriate CSA, ISA and API installation standards and practices

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