Who We Work With
We work with facilities managers, property managers, estates teams, operations managers, landlords, managing agents and main contractors who need a reliable electrical contractor for commercial premises — whether that's a single building or a multi-site portfolio. Our directly employed engineering team gives you one accountable point of contact rather than a rotating cast of subcontracted electricians.
What We Deliver
As a commercial electrical contractor, our scope covers the full lifecycle of a building's electrical systems:
- ✓Commercial electrical installations and upgrades
- ✓Planned preventive and reactive maintenance
- ✓Commercial EICR and periodic testing
- ✓Distribution board installation and upgrades
- ✓Lighting design, installation and maintenance
- ✓Emergency lighting installation and testing
- ✓Electrical fault finding and remedial works
- ✓Compliance documentation and certification
Environments We Work In
We deliver commercial electrical contracting across a wide range of premises types, including:
Electrical installations, upgrades and maintenance for single-occupancy and multi-let commercial buildings.
Power distribution, lighting and electrical infrastructure for logistics and industrial premises.
Electrical works scheduled around trading hours to protect footfall and minimise disruption.
Electrical contracting carried out with awareness of the operational constraints of clinical and school environments.
Electrical services for public buildings, delivered with the documentation standards public sector clients require.
Communal and landlord-side electrical works for managing agents and property managers.
Areas We Cover
Delta First's directly employed engineering team is based in Colchester and covers commercial premises across:
Our Approach
We start by understanding how your building operates — its trading hours, its occupants, and its compliance obligations — before scoping any electrical works. Core installation and maintenance work is delivered by our directly employed engineering team, with vetted specialist subcontractors used only where additional certification or capacity is required. Either way, Delta First remains fully accountable for the quality and compliance of every project we deliver.
Why Choose Us
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Discuss Your Electrical Project
Whether you need a one-off installation, an ongoing maintenance contract, or a contractor for a multi-site programme of works, get in touch to discuss your requirements.