About Us | William Electrical Services | NICEIC Certified London Electricians

London's Trusted Electrical Contractor

William Electrical Services is a NICEIC certified electrical contractor serving all London boroughs and Hertfordshire. Founded with a simple mission — to provide honest, reliable and high-quality electrical services at fair prices — we have grown into one of London's most trusted electrical companies.

Our team of fully qualified electricians handles everything from emergency callouts to full rewires, EICR certificates to commercial installations. Every job is completed to BS7671 wiring regulations and fully certified on completion.

We are proud of our 5.0 Google rating and the hundreds of five-star reviews from satisfied customers across London. Our reputation is built on doing the job right, first time, every time.

Call 07450 630937

NICEIC Certified

We are fully approved NICEIC contractors. This means every job we carry out meets the highest electrical safety standards in the UK.

24/7 Availability

Electrical emergencies don't keep office hours. That's why we're available around the clock, 365 days a year across all London boroughs.

Transparent Pricing

We always provide a clear, upfront quote before starting any work. No hidden charges, no surprises — just honest, fair pricing.

Full Certification

Every job comes with full documentation and certification. EICR reports, completion certificates and notification to Building Control where required.

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Fully Insured

We carry full public liability insurance on every job. You're fully protected when you choose William Electrical Services.

5-Star Rated

Our 5.0 Google rating reflects our commitment to quality. We don't consider a job finished until our customer is completely satisfied.

About William Electrical Services