Security system installers working in commercial

3526 UK security system installers working in the commercial sector.

• N NS ELECTRICAL MAINTENANCE SERVICES LTD London · Electrical

  NS Electrical Maintenance Service Ltd offers 24/7 professional electrical and security services across Greater London for residential and commercial c

• N Nsn Corporation Ltd London · Security systems

  NSN Corporation offers managed staffing solutions including Concierge, Security, Dual Management, Recruitment, Handyman, and Cleaning services. Establ

• N Ntl Electrical Services Ltd Scarborough · Electrical

  Expert electrical services in Scarborough for homes & businesses. NTL Electrical provides installation, testing, fire & security services.

• N NTR Clocking Systems Loddington · Electrical

  Northampton Time Recorders offers a wide range of clocking systems, including biometric and electronic machines, and a huge selection of clock cards f

• N Nuel Castro Ltd Woodley · Security systems

  Nuel Castro Ltd is a UK-based multi-service company specialising in security services, pet care & canine services, professional cleaning, and construc

• N Nuttall Electrical Services Ltd Gainsborough · Electrical

  Nuttall Electrical provides comprehensive domestic, commercial, and industrial electrical services across the UK. Specializing in installations, repai

• N Nuttall Energy Liverpool · Electrical

  Nuttall Energy offers electrical, solar panel, and EV charger solutions in the North West. NICEIC-accredited, they focus on quality, sustainability, a

• N Nuuhaus Ltd Middlesbrough · Security systems · 1-9 employees

  Nuuhaus provides KNX-based smart home and building automation products, including smart panels, thermostats, lighting actuators, and intercom systems

• N Nuway Audio Visual Ltd Hull · Electrical · 10-49 employees

  Nuway AV install & service Audio Visual & electronic systems for blue chip multinationals, local authorities, public facilities and commercial venture

• N NW AUTOMATIC DOORS LIMITED Mochdre, · Curtain walling

  NW Automatic Doors: Commercial door & shutter repairs, installation & PPM across North Wales. In-house engineers, 24/7 emergency support, 5.0★ Google

• N NW Cleaning and Maintenance Ltd London · Refurbishment

  NW Cleaning & Maintenance Ltd provides expert cleaning and maintenance services in London. Specializing in residential and commercial properties, we e

• N NW Electrical Installations Ltd Colwyn Bay · Electrical · 1-9 employees

  Electrical contractors covering the North Wales coast, based in Conwy. No job too small or too big for NW Electrical Installations Ltd.

• N Nwl Electrics Ltd Liverpool · Electrical

  Friendly family-run business offering skilled local electricians for electrical problems big or small across the North West.

• O O'Briens Electrical Bexley · Electrical

  NICEIC approved electrical contractors based in Bexley, working throughout London and the South East. Offering commercial and domestic electrical serv

• O O'Connor Electrical Derby · Electrical · 10-49 employees

  Electrical, Fire, and Security services in the Midlands, Derbyshire, Staffordshire. Electric Vehicle Chargepoints, Data, CCTV and Door Access

• O Oadby & Wigston Electrical Ltd Wigston · Electrical

  Expert electrical solutions for domestic, commercial, and industrial properties in Leicester. NAPIT registered and fully insured.

• O Oakford Integration Ltd Devizes · Electrical

  Oakford Integration provides smart, sustainable infrastructure including solar energy, EV charging, automation, security, and data solutions for resid

• 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 Oakridge Building Contractors Ltd Swindon · Refurbishment · 1-9 employees

  Commercial and private building specialists in Swindon and surrounding areas. Offering a complete building solution across commercial sectors includin

• O Oaks Electrical Cullompton · Electrical

  Experienced and trusted electricians covering the South West. We carry out all aspects of electrical work for domestic & commercial/industrial.

• O Obd Electrical Ltd Warrington · Electrical

  OBD Electrical is a Warrington-based electrical solutions partner serving Warrington and Cheshire. Known for reliability and competence with a 9.97 Tr

• 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 Ocean Technical Safety Services Ltd Falmouth · Steel fabrication

  Ocean Technical Safety Services delivers professional workplace safety training, compliance, and inspection solutions to keep your workforce protected

• O Ockelton Electrical Contractors Ltd Beverley · Electrical

  Ockelton Electrical are local electricians in Hull & East Yorkshire. Specialising in domestic, commercial and renewable energy solutions like Solar Pa

• O Ocon Fire & Security Ltd Milford Haven · Fire protection · 10-49 employees

  Ocon Fire & Security Ltd offers professional safety and security services including design, installation, and maintenance for businesses across the UK

• O Office Electrix Ltd Middlesbrough · Electrical · 1-9 employees

  Office Electrix are a highly professional and dynamic business with over 30 years of combined expertise in the electrical industry. Our mission is sim

• O OGF ELECTRICAL LTD Banbury · Electrical

  OGF Electrical offers professional, certified electrician services in Banbury and North Oxfordshire. Specializing in full rewires, consumer unit upgra

• O Ogival Ltd London · Refurbishment

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

• O OHM SMART LTD Accrington · Electrical

  Ohm Smart offers bespoke smart home and automation solutions, including lighting, AV, security, and network systems, designed to enhance convenience,

• 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 Ohmega Group Batley · Electrical · 1-9 employees

  Ohmega Group is a Mechanical and Electrical contractor delivering complete services for Industrial, Commercial and Modular sectors. Specialising in El

• O Ohmnium Electricians Barnet · Electrical

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

• O Oil Tank Change Newmarket · Utilities

  Need an oil tank? Our certified experts provide fast, safe, and affordable oil tank replacement services. Get your free quote today!

• O Oldham Bros Ltd. Liverpool · Demolition · 1-9 employees

  Oldham Bros Ltd are trusted demolition contractors in Merseyside with over 75 years' experience. Specialists in demolition, site clearance, recycling,

• O Oliver Fox Glasgow · Fire protection

  Oliver Fox provides 24/7 specialist biohazard, trauma, crime scene, hoarding, and emergency cleaning across the UK & Ireland. Fast, discreet, certifie

• O Oliver Integrated Hamilton · Electrical · 1-9 employees

  Oliver Integrated Ltd offers expert electrical, fire protection, and security system services. Established in 1994, we provide certified solutions wit

• 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 Omega Electrical Contractors (Crt) Ltd Evesham · Electrical

  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

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

• 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 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

  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

  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