Electrical contractors since 1980
An excellent job, every time.
Electrical design, installation and maintenance for homes, commercial buildings and industry across Wiltshire, Oxfordshire and Gloucestershire. From listed country houses to working factories, with client focussed attention to detail you can trust.
- Founded
- 1980
- NICEIC
- 1983
- Staff
- 20



Approved ContractorRegistered with NICEIC since 1983

1980
Founded by Karl Humphreys and still run by its directors today.
Who we are
The specialists in sympathetic design, for contemporary buildings and listed, historic homes alike.
Humphreys Electrical began supplying electrical services to domestic, commercial and industrial clients in 1980. Starting out with two directors, we have grown in size and reputation, and today we have a growing team committed to a professional and reliable service.
From our base near Shrivenham we work with building contractors, architects, project management companies and directly with the end customer, on everything from large commercial and industrial projects to substantial domestic installations.
NICEIC Approved Contractor
Work carried out by competent engineers and compliant with the relevant safety standards.
SafeContractor accredited
Health and safety audited annually, with Lloyds consultants advising on our practices.
What we do
Power, light and communications for every kind of building.

Standby Power Systems
Uninterruptible power supplies and standby generators, fully installed and commissioned.
Explore standby power
Energy Efficiency
Lighting design with a clear cost saving analysis, so you cut your bills and your carbon footprint.
Explore energy efficiency
Electrical Contracting
Design, installation and maintenance of electrical systems that work safely, effectively and sustainably.
Explore electrical contracting
Featured project · Bath, Somerset
A Grade I listed, five storey home, rewired with care.
Full design, power, lighting, AV and data across five floors. Recessed LED lighting to the stone staircases, trimless downlights, speciality chandeliers, Cat 6 data and WiFi throughout, and landscape lighting outside.
- LED low energy lighting
- Sonos audio and TV distribution
- Video door entry
- Web based heating control
Recent work
Projects we’re proud of.
DomesticOxford, Oxfordshire
Complete Electrical Refurbishment
Commercial · IndustrialWiltshire
Workshop Lighting Upgrade
DomesticWiltshire
Complete Farmhouse Refurbishment
DomesticGloucestershire
New Pool House Electrics
DomesticOxfordshire
Full Electrical Design & Installation
DomesticBath, Somerset
Electrical Refurbishment of a Grade I Listed Property
Why choose us
If you want a contractor who really cares about the job, choose Humphreys.
‘To do an excellent job, every time.’Our ethos since day one
Quality, reliability and workmanship
Our clients tell us they value the quality of our work, the reliability we give them, and that we are always willing to go the extra mile. We believe that’s why the business has grown so successfully.
Advice and support
From helping with the design to sourcing the right equipment and advising on any project you have, we make sure the complete service you receive is first class.
- 01
Advice and design
We listen, advise on equipment and design a system around your building.
- 02
Sourcing equipment
The right fittings and accessories for the job, specified and supplied.
- 03
Installation
Competent, NICEIC registered engineers, working safely and tidily.
- 04
Testing and certification
Inspection, testing and certification, with maintenance when you need it.
What clients say
Builders, architects and homeowners come back to us.
Areas we cover
Based near Swindon, working across three counties and beyond.
From our unit at Shrivenham Hundred Business Park in Watchfield we serve Wiltshire, Oxfordshire and Gloucestershire, and we have delivered projects as far as Bath in Somerset.
Get directionsWiltshire
Swindon and the surrounding area, our home county
Oxfordshire
Including Oxford and the Vale
Gloucestershire
Including our pool house project near Gloucester
Somerset
Grade I listed refurbishment in Bath
Careers
Qualified electricians and apprentices: build your career with us.
Many of our team started here as apprentices. We’re growing, and we’re looking for enthusiastic, qualified electricians with domestic and commercial experience.
Planning a project? Let’s talk it through.
Tell us what you have in mind. We’ll advise on design and equipment and come back to you with a clear, detailed quotation.





