STG Electrical Services Limited, trading as SG Electrical, has been established for over 25 years, delivering reliable electrical contractor services for industrial and commercial customers, including the food and warehousing sectors.
Welcome to
Industrial & Commercial Electrical Contractors in Cambridgeshire

Electrical services built for busy, regulated environments
We understand the realities of operational sites: tight schedules, strict hygiene expectations, and robust health & safety processes.
Our team works professionally and methodically, with clear communication from first visit through to completion.
What we do
Lighting
- General lighting installations and upgrades
- Emergency lighting installation and testing
- Bespoke lighting solutions
Control
- Switchgear and distribution
- Bespoke panel boards (isolation, protection)
- Busbar installations
- Cable containment and trunking/conduit systems (including stainless steel options for food hygiene)
Other Electrical Services
Not every job fits neatly into one category. SG Electrical also supports a wide range of additional industrial and commercial electrical works — ideal for site improvements, upgrades, alterations and ongoing requirements.
- Electrical installations and alterations
- Fault finding and repairs
- Power distribution additions and changes
- Isolations and make-safe works
- Equipment supplies and site power requirements
- Small works and planned improvements
Industries we support
- Warehousing & distribution
- Food processing and production
- Offices and commercial premises
- Factories and industrial sites
- Hotels and restaurants


Working at height (Trained, Qualified, Site-Ready)
Where access is required, our engineers are trained for working at height, including mobile access towers and MEWPs.
We are IPAF licensed to operate mobile scissor and boom lifts, supporting safe delivery for high-level installations and maintenance.
See examples of our work
Want to see the sort of environments we work in?
Visit our Gallery for example installations across industrial and commercial sites.










