Security system installers in the UK

4002 security system installers listed from the UK register.

• O Olver Electrical Contractors Ltd Callington · Electrical · 1-9 employees

  Olver Electrical Contractors Limited offer a broad range of electrical services to our increasing client base throughout the South West of England.

• O Olympian Fire Cheadle · Fire protection

  Olympian Fire: Fire Alarm, Life Safety & Security Systems Design, Installation & Maintenance. Established 1991, UK leading independent life safety sys

• O Olympos Electrics Ltd Sheffield · Electrical

  Olympos Electrics Ltd is a electrical company based in Sheffield, registered at Companies House in 2022.

• O Omega Electrical Contractors (Crt) Ltd Evesham · Electrical · 1-9 employees

  Leading electrical contractor in the Midlands, offering outstanding service at competitive prices. Certified technicians for residential and commercia

• O OMEGA SECURITY SYSTEMS LIMITED Bradford · Security systems · 10-49 employees

  Omega Security Systems is a fire and security systems provider based in Yorkshire, offering nationwide coverage. Specialising in design, installation,

• O OMH Electrical Coggeshall · Electrical · 1-9 employees

  OMH Electrical provides comprehensive electrical services for domestic, commercial, and industrial clients across Essex, Suffolk, Cambridgeshire & Lon

• O Omni3 Limited Horsham · Solar PV · 1-9 employees

  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 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 Onestop Safety Solutions Glasgow · Scaffolding

  Onestop Safety Solutions design, manufacture and install bespoke work at height safety systems and fall protection solutions across the UK.

• O Onix Systems Hertfordshire · Electrical · 1-9 employees

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

• O Ontop Electrical Ltd Nottingham · Electrical · 1-9 employees

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

• O Onvila Ltd Ilford · Security systems

  Onvila Ltd provides expert security services, K9 support, commercial cleaning, end-of-tenancy, deep cleaning, and post-construction cleaning in Ilford

• 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 Contracts Ltd Solihull · Security systems

  Opal Contracts Ltd is a West Midlands based supplier and installer of quality innovative blinds, curtain tracks and security systems, serving the comm

• 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 · 1-9 employees

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

• O Open Protocol Technology Kingswinford · Fire protection · 1-9 employees

  Open Protocol Technology Ltd specialises in the supply, installation and servicing of Fire and Security Systems, and offers Hydrostatic Testing of gas

• O Openfix Ltd Newcastle-Under-Lyme · Heating & ventilation · 1-9 employees

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

• O Openings Direct Ltd Grantham · Security systems · 1-9 employees

  Openings Direct offers expert installation and service for automatic gates and garage doors, with over 30 years of experience. Serving Grantham and be

• 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 Optimise Your Energy Ltd Newcastle Upon Tyne · Electrical · 1-9 employees

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

• 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 Opulous Innovation Ltd. Colchester · Electrical · 1-9 employees

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

• O Opus Pro Audio Ltd Burnley · Electrical · 1-9 employees

  Opus Pro Audio provides site surveys, design, installations, spare parts, and maintenance contracts for sound and lighting systems. They serve various

• O Oracle Electrical Biggleswade · Electrical · 1-9 employees

  Oracle Electrical offers bespoke domestic, commercial, and industrial electrical solutions, including design, installation, and maintenance. Based in

• O ORBITAL ELECTRICAL SOLUTIONS LIMITED Rye · Electrical · 1-9 employees

  Orbital Electrical Solutions Domestic and Commercial Electricians have an enviable reputation for the quality of our work, attention to details and co

• O Orestone Basingstoke · Fire protection · 10-49 employees

  Orestone - a safer, smarter future - A Highly Accredited Integrator of Fire, Evacuation, Assisted Living & Safety Systems.

• O Origin Renewable Solutions Ltd Ambleside · Electrical · 1-9 employees

  Origin Renewable Solutions Ltd is a electrical company based in Ambleside, registered at Companies House in 2023.

• O Orio Electrical Services Ltd Shoreham-By-Sea · Electrical

  Orio Electrical Services are experts in electrical installation for homes and businesses across the South East. Services include solar PV, EV charging

• O Orion Retail Installations Ltd Barwell · Electrical · 1-9 employees

  ORION RETAIL INSTALLATIONS LIMITED is a company registered in the UK. The website is currently unavailable.

• O Orton & Wenlock Ltd Colchester · Electrical · 10-49 employees

  Orton & Wenlock Ltd is a electrical company based in Colchester, registered at Companies House in 2011.

• O Orus Technical Services Ltd Hemel Hempstead · Security systems

  ORUS Technical Services provides integrated security and electrical solutions, including fire protection, CCTV, access control, intruder alarms, and e

• O Osprey Electrical And Av Ltd Ashford · Electrical · 1-9 employees

  Osprey Electrical offers comprehensive domestic, commercial, and industrial electrical services, including design, installation, testing, CCTV, home t

• O Otero Door Specialists Tonbridge · Windows & doors · 1-9 employees

  Trusted specialists in roller shutters, aluminium doors & door closers. Quality service & installation across Kent.

• O Otisbum Ltd Sunderland · Main contractor · 1-9 employees

  Otisbum Engineering & Construction Company Ltd offers high-quality building, renovation, maintenance, and engineering solutions for residential, comme

• 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 OUTBOX STORAGE London · Security systems · 1-9 employees

  Outbox Underground Cycle Garage: the most secure domestic cycle storage on the market. Convenient, exclusive, secure, discreet.

• O Outersight (UK) Ltd Plymouth · Security systems · 1-9 employees

  Specialist remote CCTV, wildlife observation and research, and harsh environment CCTV solutions. Bringing the outside in with innovative technical sol

• O OVER ENERGY LTD London · Electrical · 1-9 employees

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

• O Overton Electrical Services Ltd Mansfield · Electrical · 10-49 employees

  Overton Electrical Services Ltd provides a complete spectrum of electrical services to commercial and industrial customers. Established in 1990.

• O Overton Fire & Security Ltd Mansfield · Security systems

  Overton Fire and Security Services provide a complete spectrum of fire and security services to domestic, commercial and industrial customers.

• O Ovi Construction Ltd Romford · Civil engineering · 1-9 employees

  OVI Construction Company Limited is a Nigerian-based multidisciplinary construction and engineering company delivering end-to-end infrastructure solut

• O Owain Pritchard Ltd Wrexham · Security systems · 1-9 employees

  Owain Pritchard is a multi-discipline business in Wrexham, North Wales, offering quality service and craftsmanship across domestic, commercial, and in

• O Owen & Palmer Ltd Bangor · Electrical · 10-49 employees

  Leading industrial electrical contractor servicing North & Mid Wales, managing installations, construction and facilities for complete solutions and a

• O Owen Construction Consultancy Ltd Orpington · Main contractor

  Construction Health & Safety Consultants offering services in London, Kent & Essex. Experienced consultants ensure safe and compliant projects.

• O Owen the Locksmith Brighton · Security systems · 1-9 employees

  Owen the Locksmith - trusted, fast-response West Sussex locksmiths with 16+ years' experience in lock fitting, lock repairs, lockouts & uPVC door repa

• O Owl Access Ltd Brighouse · Security systems

  Owl Access Ltd are family-run gate automation specialists. We install, automate, and maintain secure residential and commercial electric gates.

• O Owl Eye Group Colchester · Concrete works

  Owl Eye Group offers professional residential and commercial cleaning services across the UK. We provide tailored solutions for homes, offices, school

• O Owl Projects Electrical Ltd Stockport · Electrical

  Owl Projects Electrical Ltd is a electrical company based in Stockport, registered at Companies House in 2025.