Electrical contractors in London

2662 electrical contractors across London.

• I Ingenuity Globalnet Ltd Edgware · Electrical

  Ingenuity Globalnet Ltd provides reliable electricians for homes and businesses in London with fast response and professional care. Offering 24/7 emer

• I INHERENT ROBOTICS LTD London · Electrical

  Inherent Robotics provides robots and automation solutions to various sectors including real estate, hospitality, F&B, industry, commercial and medica

• I Innovative Networks Ltd Shepperton · Electrical

  Expert Network Installation Services across London, Surrey, and the South East. We design, install, and maintain secure, future-ready systems.

• I Insight Probuild Ltd Pinner · Design & build · 1-9 employees

  Honest | Trustworthy | Reliable. An experienced construction company serving the residential market, specialising in lofts, extensions, and design & b

• I Instaflame Design & Build Ltd London · Extensions · 1-9 employees

  Leading property developer for house extensions, kitchens, bathrooms, and loft conversions. Reliable & cost-effective construction services.

• I Instant Builders Ltd London · Extensions

  Instant Builders Ltd offers high-quality, professional, and reliable construction services in London, specializing in house extensions, loft conversio

• i instant designer LTD London · Kitchen fitting

  Instant Designer is a premier construction company specializing in kitchens, bathrooms, flooring, roofing, electrical, plumbing, painting, and landsca

• I Insufflate Ltd Barnet · Electrical

  Insufflate offers Smart Building, Electrical, Air Conditioning, and Energy Monitoring Services to make your space comfortable, safe, and smart. Track

• I INTECHS INNOVATION TECHNOLOGY SYSTEMS LTD London · Electrical

  INTECHS provides cutting-edge industrial automation and digital solutions, optimizing efficiency and performance for businesses across various sectors

• I Integral Constructions Ltd London · Refurbishment · 1-9 employees

  Integral Constructions is a West London-based construction company offering end-to-end project management and execution for domestic refurbishments an

• I Integrated London Ltd Sutton · Electrical

  London based NICEIC-approved Smart home, Security & Electrical specialists. Lutron, Control4, CCTV & Alarms across London & Surrey. Book your free con

• I INTEKRON Electrical Ltd London · Electrical

  INTEKRON Electrical Ltd is a London-based electrical contractor providing installations, EICR testing, and remedial works for commercial and residenti

• I IntelliCasa London · Electrical

  Experts in smart home automation and intelligent systems for luxury residential and commercial clients in London.

• I Interskills Solutions Ltd London · Main contractor · 1-9 employees

  Construction company in London specialising in extensions, loft conversions, renovations, kitchen and bathroom installations, and property refurbishme

• I Intsol Construction Ltd London · Refurbishment · 1-9 employees

  IntSol Construction Ltd is a London-based construction company offering a comprehensive range of services including refurbishment, fit-out, and M&E co

• I IP Fire and Security Ltd Isleworth · Fire protection · 10-49 employees

  IP Fire and Security Ltd provides professional and experienced customer care for security solutions including intruder alarms, fire alarms, CCTV, acce

• I IPS Renovation Ltd Mitcham · Refurbishment · 1-9 employees

  IPS Renovation Ltd is London's trusted Home Renovation specialist, delivering exceptional quality in kitchen renovations, bathroom remodeling, plaster

• I IQ Premium Engineering London · Electrical

  IQ Premium Engineering Ltd: Luxury Smart Homes. Specialising in custom AV and smart home technology, with offices in London and Kyiv. CEDIA member.

• I Iron Flag global London · Electrical

  Iron Flag Global specialises in mission-critical power infrastructure decommissioning and asset recovery across the UK and Europe. They manage valuati

• I Iropeaccess Ltd London · Scaffolding

  Specialist rope access company providing work-at-height services across London and the UK. IRATA certified. Get a free quote today.

• I Irt Electrical Services Ltd Isleworth · Electrical

  IRT Electrical Services Limited is a new company based in Isleworth, TW7 7AA, specializing in electrical services.

• I Iskcon Construction Ltd Edgware · Refurbishment · 1-9 employees

  Iskcon Construction Ltd is a local and trusted building company in Edgware, offering a wide range of professional, reliable, and friendly services tai

• I Islington Electrical London · Electrical

  Islington Electrical Limited offers a full range of professional electrical services including EICR Certificates, Commercial Services, New Installs, P

• I Iwik Construction Ltd London · Main contractor

  Iwik Construction is a well-established building company in Southwest London, offering a full range of construction and renovation services. They prid

• J J & F Golffire Ltd Bromley · Electrical

  J & F Goldfire Ltd are specialists in fire alarm and electrical installation services, serving domestic, commercial, and public sectors.

• J J & F Property Services Ltd Whyteleafe · Refurbishment · 1-9 employees

  J & F Property Services Limited offers high-quality construction solutions for domestic and commercial projects, specializing in new builds, extension

• J J & M Loft Conversion Ltd Dagenham · Carpentry & joinery · 1-9 employees

  J & M Loft Conversion Ltd is a London-based construction firm with over 10 years of experience, offering a wide range of building services including c

• J J Davies Electrical Ltd Caterham · Electrical

  J Davies Electrical LTD offers professional electrical installations and repairs with over 10 years of experience. Committed to safety, customer focus

• J J Gibbs Building Services Ltd Watford · Refurbishment

  J Gibbs Building Services Ltd offers expert building, roofing, and landscaping services in Watford. Quality craftsmanship tailored to your needs-turn

• J J O'Connor London · Heating & ventilation

  J O'Connor is a national mechanical and electrical contractor established over 25 years ago, serving public, commercial, and private sectors with a 24

• J J W Mcdonald Building Services Ltd Bromley · Refurbishment

  Quality Craftsmanship backed with a 12 month installation warranty. Kitchens, Bathrooms, Boiler Installations & Refurbishments in South London & Kent.

• J J W Mcdonald Kitchens & Bathrooms Ltd Chislehirst · Kitchen fitting

  JW McDonald Kitchens & Bathrooms Ltd specialises in the design, supply and installation of kitchens and bathrooms, delivering fully managed renovation

• J J-Webs Trading As J-Webs Ltd Ilford · M&E contracting

  Independent building services engineering and sustainability consultancy providing technical due diligence, MEP surveys, EPC and MEES advice, decarbon

• J J.P.F. Clarke (Construction) Ltd London · Main contractor

  JPF Clarke is a family-run construction company with over 40 years of experience in North London. They offer a comprehensive range of building service

• J J.W. Cannon & Co. (1948) Ltd Surrey · Main contractor

  A family-run building firm established over 70 years, JW Cannon & Co Ltd offers a wide range of building services including new builds, extensions, an

• J Jad1 Construction Ltd London · Main contractor · 1-9 employees

  JAD1 Construction is a dynamic construction company offering a wide range of services including electrical, plumbing, carpentry, and extensions. We ar

• J Jakaj Ltd London · Refurbishment · 1-9 employees

  JAKAJ LTD offers property management, refurbishment, loft conversions, extensions, and maintenance services across London. Experienced team for landlo

• J James Delamare Ltd Orpington · Extensions

  James Delamare Ltd is a professional building service in Bromley, Kent, offering extensions, loft conversions, renovations, and general construction w

• J James Electrical Services Ltd Isleworth · Electrical

  James Electrical Services Ltd provides premium electrical services in London, ensuring quality and care for every project, from minor repairs to large

• J Jan Construction Ltd Isleworth · Main contractor · 1-9 employees

  Jan Construction Ltd provides reliable, high-quality construction and building services across London. We are committed to excellent workmanship, atte

• J Javicon London · Refurbishment

  JAVICON LTD specialises in full-scale renovations, refurbishments, and turnkey construction projects across London. Quality craftsmanship, reliable ti

• J Jawandha Builders Ltd London · Extensions · 1-9 employees

  Jawandha Builders offers high-quality building and renovation services, specializing in home extensions, roofing, and interior upgrades. We focus on r

• J Jax Maddison Designs Ltd Esher · Kitchen fitting

  Esher-based kitchen installation, carpentry, decorating and renovation specialists. Family run, transforming homes with precision and reliability.

• J Jay Bee Electrical Wimbledon · Electrical

  Jay Bee Electrical provides trusted electrical services in South London and Surrey, offering comprehensive solutions for domestic and commercial clien

• J Jazi Electric Ltd Borehamwood · Electrical

  Jazi Electric Ltd is a UK-based company specializing in electrical services. Incorporated in 2026, the company operates within the electrical trade se

• J Jb Construction (Barnet) Ltd Barnet · Refurbishment · 1-9 employees

  JB Construction (Barnet) Ltd provide house refurbishments, garage conversions, bathroom & kitchen installations & home Improvements in and around Barn

• J JB Electrical Contractors Ltd Ruislip Manor · Electrical · 1-9 employees

  JB Electrical Contractors Ltd offers reliable electrician services in Watford, Stanmore, Harrow and surrounding areas, providing free electrical quote

• J Jb Electrix Ltd London · Electrical

  London electricians specialised in testing and installation with over 6 years experience. Providing quality, detailed, and safe electrical services.

• J JC and sons electric South Ockendon · Electrical

  JC & sons electrical LTD is a family-run electrical business in South Ockendon, Essex, specialising in domestic and commercial repairs and new install

• J JCH London London · Heating & ventilation · 1-9 employees

  JCH London offers expert heating, ventilation, and green energy solutions for domestic and commercial clients across London, focusing on quality workm