Electrical contractors in London

2662 electrical contractors across London.

• S S.W.A. Electrics Ltd South Croydon · Electrical

  SWA Electrics is a fast-growing firm of electrical contractors and design specialists based in South West London, offering a wide range of building se

• S S&M Electrical Ltd Stanmore · Electrical

  S & M Electrical Ltd is a family-run electrical contractor established 32 years ago, serving London and Greater London. They specialize in maintenance

• S S&Y London Morden · Refurbishment · 1-9 employees

  S&Y London Ltd offers bespoke property services including new builds, refurbishments, extensions, and maintenance. Specializing in kitchens, bathrooms

• S S6energy Ltd Grays · Solar PV

  Reduce your energy bills with S6 Energy. Expert insulation, boiler replacements, solar panels and heat pump solutions for homes across the UK.

• S S999 Electrical Ltd Croydon · Electrical

  S999 ELECTRICAL LTD is a UK-based company specializing in electrical installation and repair. Incorporated in 2025, the company operates from Croydon.

• S SA Fire and Security London · Fire protection · 10-49 employees

  SA Fire & Security Systems offers over three decades of experience in delivering effective fire and security systems. As an independent company, we pa

• S SAAR Lighthouse London · Security systems

  SAAR Lighthouse UK Ltd provides bespoke technology solutions, LED screens, video walls, and sports equipment, operating internationally with expertise

• S Sach Build Projects Ltd Greenwich · Main contractor

  Sach Build is a London-based construction company specializing in new builds, refurbishments, extensions, and conversions. They offer design and build

• S Sacx Ltd Rickmansworth · Main contractor · 10-49 employees

  Sacx is a construction company offering innovative, high-quality services with a focus on people, quality, and service. They provide turnkey solutions

• S Safe Electric Ltd Arkley · M&E contracting

  Safe Electric provides comprehensive mechanical and electrical solutions for main contractors, developers, and local authorities. Established in 2007,

• S SafeApproach Services Ltd London · Electrical

  SafeApproach is an electrical and fire safety compliance contractor supporting social housing, commercial and public sector clients with testing, reme

• S Safecity Technologies Ltd London · Security systems

  Safecity Technologies pioneers advanced security solutions, offering a comprehensive suite of services designed to meet the evolving demands of innova

• S SafeSparx Morden · Electrical

  Trusted electrical contractors for all types of residential and commercial electrical work. Highly experienced team. Free quotes. Call now.

• S Sagewood Ltd London · Main contractor · 10-49 employees

  Sagewood Limited, established 1987, offers international services in Agriculture, Mining & Construction, Power, and Laboratory & Medical sectors. Head

• S Saks Management London · Refurbishment

  London-based specialists in maintenance and construction, offering a wide range of services including internal handy-work, domestic upgrades, external

• S Salmon Building Ltd London · Refurbishment

  Salmon Building Ltd offers high-quality refurbishment and renovation services, specializing in home offices, carpentry, and finishing work. Serving Lo

• S SALOGURU INTERNATIONAL UK LIMITED London · Electrical

  Saloguru International is a global supply chain solutions provider, specializing in power generation, distribution, electrical products, and sustainab

• S Sam Forster Associates Ltd London · Fit-out & interiors

  Sam Forster Associates provides exhibition construction and fabrication services to museums and galleries across the UK, specialising in temporary exh

• S Sam the Builder London · Bathroom fitting · 1-9 employees

  Family-run UK builders with over 10 years of experience. Specialising in bathrooms, kitchens, extensions, renovations, carpentry, and more. Fully insu

• S Samac Construction Services Ltd Orpington · Refurbishment

  Samac Construction Services Ltd specialises in commercial property refurbishment and maintenance across London and the South East. Established in 1995

• S Samz Construction Services Ltd Mitcham · Main contractor

  Samz Construction Services Ltd, South West London, for expert construction & renovation solutions for home improvements to commercial projects.

• S Sandarov Ltd London · Refurbishment

  Sandarov Ltd is a North London building company offering loft conversions, home extensions, renovations, and structural work. Professional, reliable,

• S SANJ Electrical Technology Harrow · Electrical

  Professional electrical, fire safety, and security solutions across London for residential, commercial, and industrial clients. Focused on safety, rel

• S Sarcon Property Management Barnet · Refurbishment · 1-9 employees

  Sarcon Property Management offers expert property management services in London for residential and commercial properties, ensuring hassle-free manage

• S Sargeant & Son Ltd Hayes · Plumbing · 1-9 employees

  Established in 1996, Sargeant and Son Ltd are a family-run company specialising in plumbing, heating, and electrical services. They offer 24-hour emer

• S Saroya Electrics Ltd London · Electrical

  Saroya Electrics Ltd offers expert electrical solutions for homes and businesses in Birmingham, specializing in installations, repairs, EV charging, a

• S Sase Construction Ltd London · Main contractor · 1-9 employees

  SASE Construction Ltd is a family-run construction company with over 20 years of expertise, offering comprehensive building solutions from foundations

• S Sawmill Contracts London · Extensions · 10-49 employees

  Award-winning builders in Edinburgh & East Lothian with 10+ years expertise in house extensions, renovations & conversions. We deliver quality craftsm

• S Sb Electric Solutions Ltd Orpington · Electrical · 1-9 employees

  SB Electric Solutions LTD offers a wide range of commercial and domestic electrical services including EICR/landlord certificates, rewires, installati

• S SBDS Construction LTD. Chadwell Heath · Loft conversions

  Trusted builders in London & Essex specialising in loft conversions, kitchen extensions, home renovations, and bathroom renovations. Get a FREE quote.

• S Sbe Kent Ltd Dartford · M&E contracting

  SBE Kent deliver professional mechanical, electrical and renewable services across Kent, London and Home Counties. Trusted local engineers for project

• S Scape Lofts Ilford · Loft conversions

  Scape Lofts specialises in transforming underused lofts into extraordinary living environments that blend craftsmanship, innovation, and architectural

• S Scl Design & Build Ltd London · M&E contracting · 1-9 employees

  SCL Design & Build Ltd is a London-based mechanical and electrical design and build specialist, delivering professional design, installation, complian

• S Scope Solutions Systems Ltd Southall · Heating & ventilation

  Scope Solutions Systems Ltd offers expert boiler installation, maintenance, and repair services for residential and commercial properties. We pride ou

• S Scorpius Interiors Ltd Romford · Main contractor

  Scorpius Interiors Ltd delivers end-to-end construction, fit-out and refurbishment, combining every trade within one coordinated team. From project ma

• S Scrubs Group London · Main contractor · 10-49 employees

  Scrubs Group is a diversified construction company operating as a Principal Contractor, with specialist divisions in MEP and data centre cleaning. The

• S Scv Electrical Ltd Wimbledon · Electrical

  NICEIC-Approved domestic & commercial electrical contractors in London, Winchester, Islington & surrounding. Contact us for a free quote.

• S Sd Build Ltd London · Refurbishment

  SD Build is one of the leading local businesses in the South West London. We believe that all of our customers deserve the highest level of service, a

• S Sdb Construction Ltd London · House builder

  SDB Construction builds new homes, carries out conversions and renovates houses across London. We care about the quality of work and commitment to our

• S Sdt Contracts Ltd Romford · Design & build

  SDT Contracts specialises in turnkey school refurbishments, offering design, project management, and quality delivery for educational facilities acros

• S SE Blue Builder Ltd Welling · Extensions · 1-9 employees

  SE Blue Builder Ltd is a family-run building and property maintenance company in London & the South East, offering high-quality, cost-effective servic

• S SE General Services London · Painting & decorating

  SE General Services Ltd offers comprehensive property maintenance services for residents, homeowners, property managers, estate agencies, and more. Co

• S SE ME Services Ltd Dartford · M&E contracting

  SE ME Services Ltd provides expert mechanical, electrical, heating, and cooling services for homes and businesses across London & the Southeast. Trust

• S Sebco Design & Build Ltd London · Design & build · 1-9 employees

  Expert design & build services in Greater London since 2007. Specialising in extensions, loft conversions, refurbishments, kitchens, and bathrooms for

• S Sebra Maintenance Ltd London · Refurbishment

  SebraFix provides responsive commercial property maintenance, landlord repairs, make-ready works and small refurbishments across London.

• S SEC Sunbury On Thames · Electrical

  Electrical contractor established in 2007, providing high-quality services for commercial and home projects including solar, EV charging, battery stor

• S Sec Data Centre Infrastructure Ltd London · Main contractor · 1-9 employees

  SEC Data Centre Infrastructure Ltd is a new company focused on data centre infrastructure.

• S Sec-Cam Ltd London · Security systems

  Sec-Cam Ltd offers premium 4K CCTV systems for supply and installation, with optional affordable monitoring services. Available for rent or purchase.

• S Securum London · Security systems

  Securum offers professional and certified security, alarm protection installation and maintenance services throughout London and Essex in the UK.

• S See Light Electrical Ltd Enfield · Electrical

  NAPIT-approved electricians in Enfield, North London. Offering EV charger installation, consumer unit upgrades, rewiring, EICR certificates, and emerg