London's trusted electrical contractors — built on a foundation of safety, honesty, and quality workmanship.
OS Electrical Safety Ltd was established with a clear mission: to deliver professional, safe, and reliable electrical services to homes and businesses across London — at honest, competitive prices.
Led by fully qualified and experienced electricians, our team has built a reputation across London for punctuality, expertise, and an unwavering commitment to electrical safety. We take every job seriously, no matter how large or small.
From our earliest days, we made a commitment: no hidden charges, no call-out fees, and no cutting corners. Every job is completed to the highest British Standards — BS 7671 — with full certification provided. That commitment hasn't changed, and it never will.
Call us — free quote, no pressure
Everything we do is guided by three core principles. These aren't just words — they shape every job we take on.
Electrical safety is not something we compromise on — ever. Every installation, repair, and inspection is carried out to BS 7671 standards, with full certification issued. We keep your property and the people in it safe.
We quote upfront and clearly — no hidden extras, no surprise invoices. Our free quote includes everything you need to know before we start. We believe fair pricing builds long-term relationships and a reputation worth having.
We take pride in every job we complete. From a single socket to a full house rewire, the standard of workmanship is always the same: excellent. That's why we back everything with a 2-year guarantee.
Every engineer at OS Electrical Safety Ltd is fully qualified to the 18th Edition Wiring Regulations (BS 7671:2018) and holds current industry-recognised qualifications.
We understand that inviting an electrician into your home or business is an act of trust. That's why all our engineers are DBS (Disclosure and Barring Service) checked — giving you complete peace of mind from the moment we arrive.
All engineers hold recognised electrical qualifications and maintain continuous professional development.
Every team member is DBS checked and security vetted before working in our clients' properties.
NAPIT & JIB approved and NAPIT approved — our credentials are always current and verifiable.
We respect your time. Our engineers arrive when they say they will and always work to schedule.
"Punctual, diagnosed the problem quickly and accurately, gave me a fair and realistic price… did the job quickly and well. I would recommend him in a flash to anybody."
"Sabriye was very efficient and came at last minute's notice… very honest and reliable and cost effective. We will definitely be using him again."
Our qualifications and registrations are current, verifiable, and maintained to the highest industry standards.
The Joint Industry Board (JIB) is the industry body for the electrical contracting industry in the UK. JIB approval means our electricians are graded and qualified to the highest industry standards.
The National Association of Professional Inspectors and Testers (NAPIT) is a Government-authorised competent persons scheme. NAPIT membership confirms we meet strict technical and safety competency requirements.
Part P of the Building Regulations requires that certain electrical work in dwellings is carried out by a competent person. Our Part P certification means we can self-certify domestic electrical work — saving you time and cost.
All our engineers are trained and qualified to the current 18th Edition of the IET Wiring Regulations (BS 7671:2018+A2:2022) — the definitive standard for electrical installation in the UK.
When you hire OS Electrical Safety Ltd, you're not just getting skilled electricians — you're getting complete peace of mind. We carry comprehensive insurance that protects both you and your property throughout the duration of any work.
Our insurance is current, verifiable, and covers all the work we undertake. We're happy to provide proof of insurance on request.
Protects against accidental damage to your property or injury to third parties.
Covers you against loss arising from errors or omissions in our professional advice and services.
Every job we complete comes with our comprehensive guarantee package.
If anything we install or repair fails due to our workmanship within 2 years, we'll fix it — free of charge.
All notifiable electrical work is certified and registered with your Local Authority Building Control.
All work meets or exceeds the 18th Edition IET Wiring Regulations — the UK standard for electrical installation.
Have a question after the job is done? Call us. We're always happy to help our customers.