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Electricians in Swansea

Josilliam Ltd. are a NAPIT Registered and Part P Approved electrical installation and maintenance contractor servicing both domestic and commercial customers throughout south and west Wales.

Our service area includes Swansea, Neath, Port Talbot, Llanelli and South West Wales.

Call us today on 01792 807 007 to book your free quotation!

Comprehensive range of electrical services

We pride ourselves on our local reputation and our repeat customers and recommendations are testament to this. Our electricians provide a friendly, efficient and reliable service, with minimal disruption to your home.
Fixed Wire Testing

Domestic Electrician

We offer a full domestic electrical service, no matter what your requirements.

Fire Alarm System Testing

Emergency Electrician Swansea

We offer a 24/7 emergency electrician service, covering Swansea and South Wales.

Portable Appliance Testing (PAT)

Periodic Electrical Testing

NAPIT Approved, we can test and inspect electrical installations and issue the necessary certificates.


Highly recommended, professional company.
Mr. Davidson
An honest and reliable tradesman! So pleased with the work completed and will definitely use again. Highly recommended.
Ms. Cousins
Excellent. Thank you Richard!
Ms. Richards

Our trained electricians cover all your domestic electrical needs in and around the home. Our service is reliable, efficient and affordable, helping you save as much money as you can.

Electrical emergency? Call our electrical emergency line:
0844 357 5447

Request a call back

Pop in your details and one of our qualified
electricians will be in touch.​