SEI has a unique approach that builds long-term relationships with our customers, based on our values of open and honest communication, collaborative working, professional delivery, complete client satisfaction and total commitment to quality.

With 30 years’ experience coupled with innovative talent we pride ourselves on delivering electrical contracting and engineering services at the highest level.

SEI works with our clients as partners and we constantly seek to understand and achieve their key project objectives. We listen, we innovate and we adopt our approach to deliver for our clients.

From minor works to major projects, SEI excel at interpreting our client’s project requirements and putting the necessary resources, expertise and commitment behind achieving desired project outcomes.

Focusing on industrial electrical engineering and commercial contracting we work closely with our supply chain partners on every project to ensure the delivery of a fully-integrated electrical installation on site.


We provide a full range of services from simple electrical testing through to full project installation.

Electrical Testing

Bespoke testing and inspection for industrial and commercial

Security Installations

Door access, CCTV and intruder systems

Fire Detection

Installation, testing and commissioning

Data & Fibre Optic

Installation, termination and testing

LED Lighting Replacement

Energy efficient installations and consumption surveys

Project Management

A fully project managed service for large scale installations

Electric Vehicle Charging Points

A full range of EV charge points to suit every location and budget.