Electrical contractors in the UK

11342 electrical contractors listed from the UK register.

• O Omni3 Limited Horsham · Solar PV

  MCS certified solar PV and battery storage installation in West Sussex & the South East. NICEIC approved, ECA member. EV charging, electrical and secu

• 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 Omp Electrical Ltd Whitchurch · Electrical

  Local and reliable electrical services covering Domestic, Commercial and Industrial customers in Shropshire, Cheshire, Staffordshire and North Wales.

• O ON HOME LTD Swineshead · Electrical

  On home ltd, Boston. All your electrical and heating/plumbing needs in one place. All aspects of install, services & repairs.

• O On Tap Heating Ltd Derby · Plumbing

  Experienced plumbing, heating & electrical services in Derby. We handle everything from small projects to larger ones, offering quality and affordable

• O On Tap Solutions Ltd High Wycombe · Plumbing

  On Tap Solutions are qualified plumbers and gas engineers covering Islington, North London, West London and Buckinghamshire. Specialists in plumbing,

• 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 On Trend Kitchens Ashton-Under-Lyne · Kitchen fitting

  Bespoke kitchen design, supply, and installation in Manchester. With over 20 years of experience, On Trend Kitchens creates stylish, practical kitchen

• O On-Load Systems Ltd Northampton · Electrical

  On-Load Systems Ltd offers electrical installation, testing, and maintenance services for domestic, commercial, and industrial clients. With over 30 y

• 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 One Electrical Services (N.I.) Ltd Belfast · Electrical

  One Electrical Services is a Belfast-based company providing a first-class electrical, plumbing, and heating service for homes and businesses across N

• O One Environmental Ltd Witham · M&E contracting · 10-49 employees

  ONE Environmental Ltd provides compliance and mechanical services including PPM, reactive, and project works across various market sectors. They focus

• O One Mep Ltd Bedford · M&E contracting · 10-49 employees

  ONE MEP is a professional and reliable MEP contractor offering value, quality, and practical solutions for improving the built environment. Vision to

• O One Stop Electrical Gas Solutions Ltd Coventry · Electrical

  Need an Electrician or Gas Engineer in Coventry? One Stop Electrical Gas Solutions Ltd offers boiler repairs, EICRs, rewires, fault finding, and EV ch

• O One Way Group Ltd Stoke On Trent · Electrical

  One Way Group: National electrical contractors. Electrical design, installation, and maintenance for industrial facilities.

• O One Zero Electrical Ltd Stevenage · Electrical · 1-9 employees

  One Zero Electrical offers certified, fully insured electrical services in the UK. Call our expert team for safe, reliable, and professional electrica

• O ONE-STOP APPLIANCE REPAIRS Caerphilly · Electrical

  One Stop Appliance Repairs offers reliable appliance repairs in Cardiff, Caerphilly, and Newport. Authorised repair agents for Domestic & General and

• O Onecall Solutions Ltd Surrey · Kitchen fitting

  Friendly home improvement company in Surrey & London. Services include kitchens, bathrooms, plumbing, electrical, carpentry, tiling, flooring, and dec

• 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 Onix Systems Hertfordshire · Electrical

  Onix Systems Ltd specialises in electrical safety inspections (EICR), testing, and EV charger installations for homes and businesses. Contact us on 01

• O Onkar Builders Slough · Main contractor

  Onkar Builders Ltd offers quality building, renovation, electrical, and heating/AC services across London and surrounding counties. Satisfaction guara

• 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 Contractors Ltd Nottingham · Main contractor · 1-9 employees

  Ontime Contractors Limited is a construction company operating across the UK, offering a wide range of services from new builds to renovations. They f

• O ONTIME ECO ENERGY SOLUTIONS LTD Manchester · Heating & ventilation

  Ontime energy solutions is a reputable engineering company providing comprehensive services to residential clients. With expertise in heating, cooling

• O Ontime Electrical Romford · Electrical

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

• O Ontop Electrical Ltd Nottingham · Electrical

  Ontop Electrical provides high-end bespoke electrical solutions for private, commercial and industrial clients across Nottinghamshire, Derbyshire and

• O Onyx Solutions Ipswich · M&E contracting

  Onyx Solutions Ltd is a trusted provider of building and facilities services, delivering high-quality solutions across the region. Part of the EPPH Gr

• O Onyx Vans Horsham · Design & build

  Onyx Vans is a specialist manufacturer of adventure campervans, built on the MAN TGE platform in West Sussex. Explore the range and book a discovery c

• O Opal Access Group Newcastle Upon Tyne · Rail infrastructure · 1-9 employees

  Opal Access Limited delivers facilities management, maintenance, rope access, commercial cleaning, security, workwear, rail and renewables services ac

• 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 Opalux Group Ltd Gloucester · Electrical

  Opalux Group provides expert electrical, mechanical and construction services across Gloucestershire and The Cotswolds.

• O Opel Electrical Services Ltd Congleton · Electrical

  Opel Electrical Services Ltd offers quality electrical services nationwide, specializing in fire alarm design and installations, domestic and commerci

• O Open Circuit Solutions Ltd Gosport · Electrical

  Reliable electrician in Gosport & Hampshire. Specialists in rewires, EV charger installation, fuse board upgrades and electrical fault finding.

• O Open Plan Renovation Colchester · Refurbishment

  Discover top-tier Open Plan Renovations with Open Plan Renovation Ltd in Colchester. Specializing in home extensions, loft conversions, and comprehens

• O Openfix Ltd Newcastle-Under-Lyme · Heating & ventilation

  OpenFix offers comprehensive home and boiler cover with unlimited repairs, fast response, and a price match guarantee. Rated 5 Stars by Defaqto.

• O OpenRegistry West Bromwich · Electrical

  OpenRegistry provides live company filings from government registries, including profiles, directors, shareholders, and filings. Connect your AI clien

• 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 Optical Lighting Ltd Edinburgh · Electrical

  Professional electricians providing a wide range of electrical and lighting services to domestic, commercial & industrial customers in Edinburgh, Glas

• O OPTIMA ELECTRICAL SERVICES LIMITED Paignton · Electrical

  NICEIC-approved electricians providing electrical testing, EICR inspections, and PAT testing for commercial & industrial clients.

• 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 Optimise Your Energy Ltd Newcastle Upon Tyne · Electrical

  Optimise Your Energy Ltd is a new company focused on energy solutions.

• O Optimum Electrics Ltd Peterborough · Electrical

  Optimum Electrics is a leading UK solar and electrical company based in Peterborough, providing hassle-free solar and electrical services for commerci

• 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 Optimus Facilities Ltd Liverpool · M&E contracting

  Optimus Facilities: Your Building Services & Engineering Partner. Specialising in mechanical & electrical systems design and installation across the N

• 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 Opulous Innovation Ltd. Colchester · Electrical

  London-based electricians offering retail maintenance, luxury fit-outs, and a wide range of electrical services including air conditioning, CCTV, EV c

• O Opus Building Services Ltd Boldon · M&E contracting · 50-249 employees

  OPUS Building Services Ltd is a leading contractor of mechanical, electrical and building services across a wide range of sectors throughout the UK. F