Electrical contractors in London

2662 electrical contractors across London.

• O O'Mahony Contractors Ltd Buckinghamshire · Rail infrastructure · 1-9 employees

  O'Mahony Contractors Ltd is a construction and maintenance company established in 2000, offering comprehensive services to the rail construction, main

• O Oak Leaf Building Projects Ltd London · Refurbishment · 1-9 employees

  Oak Leaf Building Projects delivers high-end residential refurbishment, structural works and extensions across London, scoped in writing and priced li

• O Oaklex Ltd London · Refurbishment · 1-9 employees

  Oaklex is a family-run business specialising in high-end residential construction in prime London locations. We deliver tailored solutions and stunnin

• O Oakley Home Improvements Ltd Ashford · Kitchen fitting

  Kitchen and bathroom designers, loft extensions, and home improvement specialists in Staines, Kingston, Middlesex, and Surrey. Award-winning family co

• O Oakmoor Heating Ltd Twickenham · Heating & ventilation

  Oakmoor Heating Ltd offers comprehensive gas boiler servicing, installations, upgrades, and repairs. Gas Safe registered engineers providing central h

• O Oakray Electrical, Fire & Security Ltd Enfield · Electrical

  Oakray Electrical, Fire & Security Ltd is a electrical company based in Enfield, registered at Companies House in 2023.

• O Oakray Ltd Enfield · Heating & ventilation

  Oakray are property performance specialists providing building support since 1979. This family-owned business is a contractor of choice for compliancy

• O OCE Electrical LTD London · Electrical

  OCE Electrical Ltd is a family-run electrical services company based in Caddington, serving Bedfordshire, Hertfordshire, and Buckinghamshire. Founded

• O Ocean Global Ltd Walthamstow · Shopfitting

  Ocean Global Ltd is a shopfitting company established in 2005, serving the UK retail industry with project management, 3D design, and fit-out services

• O ODM Services Gravesend · Heating & ventilation · 10-49 employees

  Award winning company delivering commercial heating, plumbing and mechanical projects across London and the South East.

• O Office4Garden London · Design & build

  Bespoke garden offices designed for productivity and built to last. We offer a stress-free, end-to-end service, delivering exceptional quality and fun

• O Ogival Ltd London · Refurbishment

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O OHM & SAFE ELECTRICAL LTD London · Electrical

  Ohm & Safe Electrical are trusted domestic electricians in South London & Surrey, specialising in high-quality electrical work for homeowners. Service

• O Ohmatic Electrical Ltd Mitcham · Electrical

  Ohmatic Electrical Ltd is a registered NICEIC approved electrical contractor and part P domestic installer. We offer a wide range of electrical servic

• O Ohmnium Electricians Barnet · Electrical

  Qualified Enfield electricians for rewiring, inspections, fault finding & consumer unit upgrades across London, Herts & Essex.

• O Omel Group Wembley · Extensions

  Omel Group offers comprehensive construction solutions across London and the South East, specializing in extensions, renovations, general construction

• O Omnicam Cctv Services Ltd Hounslow · Electrical

  OMNICAM CCTV SERVICES LIMITED is a trusted provider of advanced electrical and security installation services across the UK. We deliver solutions desi

• O On Time Builders Ltd London · Refurbishment · 1-9 employees

  Ontime Builders Ltd specialises in high-end full refurbishment, renovation, bathrooms, kitchens, painting, decorating, plumbing, electrical repairs, e

• O One Bloomsbury Ltd London · Extensions

  One Bloomsbury is a London-based construction and building company offering bespoke design, construction, and maintenance services for residential and

• O One Click Centre Limited London · Bathroom fitting · 1-9 employees

  Expert bathroom fitters offering seamless renovation services including showers, plumbing, electricity, underfloor heating, wallpapering, painting, an

• O OneProtect London · Heating & ventilation

  OneProtect offers boiler, central heating, and plumbing cover plans for homeowners and landlords, providing 24/7 support and specialist engineers for

• O Onit Building Services Ltd Northwood · Plumbing

  ONit Building Services offers emergency plumbers and electrical installation services in Northwood, Buckinghamshire. Reliable, efficient, and certifie

• O Onsite Construction Ltd London · Painting & decorating · 1-9 employees

  London Onside Construction provides a comprehensive range of building services, specializing in home extensions, loft conversions, and steel construct

• O Ontime Electrical Romford · Electrical

  Ontime Electrical: Your trusted partner for professional electrical services in Romford. Delivering safe, reliable, and efficient electrical solutions

• O OPAL PROPERTY MAINTENANCE LTD Rainham · Electrical

  Opal Property Maintenance offers multi-trade property maintenance services in London for agents, landlords, and property owners, covering electrical,

• O Openview Security Solutions Ltd Essex · Electrical · 250+ employees

  Preqin is a leading provider of data, insights, and analytics for the alternative assets industry, empowering professionals to make informed investmen

• O Optimal Finishes Ltd Chigwell · Refurbishment · 1-9 employees

  Top Rated Construction Company in London. We offer Full Management on Projects our services include Full Home Renovations, Offices, Full Bathroom Fitt

• O Optimal Property Maintenance London · Refurbishment · 1-9 employees

  Optimal Property Maintenance offers a comprehensive range of property maintenance services, including refurbishment, painting, roofing, electrical, an

• O Optimum Maintenance Solutions Ltd London · Electrical

  Optimum Maintenance Solutions LTD offers comprehensive electrical, mechanical, and automation maintenance services for manufacturing and process indus

• O Optivolt Solutions Ltd London · Electrical

  Optivolt Solutions Limited provides specialist training in AI, digital skills, automation, IoT, and smart technologies, alongside electrical NVQ compe

• O Ordon Ltd Dartford · Main contractor · 1-9 employees

  Ordon Ltd is a building contractor based in London, focused on providing high-quality service and customer satisfaction. They offer a range of service

• O ORG ELECTRICAL LTD Watford · Electrical

  ORG Electrical provides expert electrical services for homes and businesses, focusing on safety, efficiency, and professionalism. Schedule a free site

• O Ori Electrical Ltd London · Electrical

  Ori Electrical Ltd is a professional electrical services company offering installations, repairs, maintenance, and upgrades for residential and commer

• O Oriole Constructors Ltd. London · Refurbishment · 1-9 employees

  Oriole Constructors Ltd offers quality, time, and cost control in building and construction projects across Bracknell and West London.

• O Otm UK Services Ltd London · Refurbishment · 1-9 employees

  OTM UK Services Limited offers reliable and professional cleaning solutions for homes and businesses across the UK. We focus on client safety, rigorou

• O Otters Group Ltd London · Refurbishment · 1-9 employees

  Otters Group is a family-owned construction business established in 2018, providing expert residential and commercial services including renovations,

• O OVER ENERGY LTD London · Electrical

  A digital library of U.S. economic, financial, and banking history, particularly the history of the Federal Reserve System, featuring publications, ar

• O Ovk Construction Ltd London · Main contractor · 1-9 employees

  OVK Construction offers Building and Maintenance services: Interior and Exterior renovation, Plumbing and Electrics, Extensions, Loft Conversions and

• O Ozone Buildworld Ltd London · Plumbing · 1-9 employees

  Ozonebuildworld Ltd offers premium property maintenance services across the UK, including plumbing, electrical, carpentry, and painting. Contact us fo

• O Ozzas Ltd East Tilbury · Security systems

  Ozzas LTD specialises in Safety and Security Systems, offering installations, maintenance, and project management for Access Control, Fire Alarms, Int

• P P A Henery Ltd South Croydon · Plumbing · 1-9 employees

  Reputable plumbing, heating and electrical company serving South Croydon and the surrounding areas. Our reactive, servicing and planned preventative m

• P P. J. Barwick Electrical Services Ltd Surrey · Electrical · 1-9 employees

  Commercial, domestic and industrial electrical contractors. Outstanding and reliable electrical services in Surrey and South London.

• P P.C Construction (UK) Ltd Stanmore · Property developer

  P.C Construction UK Ltd is a flexible, innovative and results-oriented developer of residential and commercial property, based in Stanmore.

• P P.F.L. Electrical Ltd London · Electrical

  PFL Electrical offers a comprehensive range of electrical services for domestic, commercial, industrial, and public sectors, including design and buil

• P P.I.V Building Solution Ltd London · Refurbishment

  Expert construction, renovation & refurbishment services in London. 8+ years experience, 500+ projects completed. From home extensions to electrical w

• P P.Joseph Design & Build Watford · Design & build

  London-based design and build company specialising in house extensions, loft conversions, full renovations, kitchens and bathrooms.

• P P'Brothers Building Ltd Northolt · Refurbishment · 1-9 employees

  P'Brothers Building Ltd is a family-run construction company in Ealing, UK, offering expert construction solutions and refurbishment works across Lond

• P P&J Electrical Services Ltd London · Electrical · 1-9 employees

  P&J Electrical Services Ltd offers high-quality electrical solutions across London and Essex, with over 25 years of experience. They are NAPIT-registe

• P P&R Property Services Ltd Hayes · Refurbishment · 1-9 employees

  P&R Property Services Ltd offers comprehensive home renovation and maintenance services, specializing in plumbing, kitchen and bathroom renovations, l

• P P&V Construction Ltd London · Refurbishment · 1-9 employees

  P&V Construction Limited is a reliable and friendly construction company based in Barnes, London, offering high-quality services from refurbishments t