Security system installers in London

832 security system installers across London.

• 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

• O O'Briens Electrical Bexley · Electrical · 1-9 employees

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

• O Oakray Electrical, Fire & Security Ltd Enfield · Electrical · 50-249 employees

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

• O Oakray Ltd Enfield · Heating & ventilation · 50-249 employees

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

• 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 Ogival Ltd London · Refurbishment · 10-49 employees

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

• O Ohmatic Electrical Ltd Mitcham · Electrical · 1-9 employees

  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 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 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 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 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 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 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 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 Ozzas Ltd East Tilbury · Security systems · 10-49 employees

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

• 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 P6 Planning Ltd London · Main contractor · 1-9 employees

  Expert project management, planning, and project control solutions for complex infrastructure projects across the UK. Decades of experience in high-va

• P PalmerWebb Limited Morden · Plumbing · 1-9 employees

  PalmerWebb Limited offers plumbing, heating, electrical, and property services for homeowners and businesses. With over 15 years of expertise, we focu

• P Panacea Group UK Gravesend · M&E contracting · 1-9 employees

  Panacea Group UK provides a full suite of facilities management services at affordable prices. Call us today to organise a site visit.

• P Panthera Group Ltd Uxbridge · Fencing · 10-49 employees

  Panthera Group provides comprehensive site support services including hoarding, temporary electrics, plumbing, and security systems. Committed to sust

• P PASSIVE FIRE INSPECTION LTD Potters Bar · Fire protection · 1-9 employees

  Passive Fire Inspection Ltd offers professional fire inspection services, specialising in fire door inspections and surveys to ensure compliance with

• P Pcn Constructors Ltd Ruislip · Refurbishment

  PCN Constructors LTD: Leading construction services in London, UK. Quality craftsmanship, timely delivery, and exceptional customer satisfaction. Cont

• P Peace City . World, Ltd London · Design & build · 10-49 employees

  The Global Platform for Building and Developing Peace Cities, a smart city master developer collaborating with UN, Governments, and Corporations to bu

• P Pedley Electric Ltd London · Electrical · 1-9 employees

  Trusted Nationwide Electrical Contractor specialising in domestic, commercial and maintenance. Offering expert electrical solutions for over 30 years.

• P Peerless Automation London · Security systems · 1-9 employees

  Premium audio-visual, lighting, and system integration for residential and marine environments. We design, install, and integrate intelligent systems.

• P Pemberton FM London · M&E contracting

  Pemberton FM offers comprehensive facilities management, mechanical, electrical, and building maintenance services across the UK, ensuring seamless op

• P Perfect Integration London · M&E contracting · 10-49 employees

  Multi-award-winning integrated technology provider specialising in AV, home cinema, lighting and shading systems for luxury residential and high-end c

• P Perfect Living Services London · Refurbishment

  Perfect Living connects UK and Texas property services, Dubai-based websites and AI automation, and Perfect Living OS for service businesses.

• P Pestology Ltd London · Drainage · 10-49 employees

  Pestology specialises in permanent rat and mouse proofing, using exclusion techniques to prevent infestations. Serving London and the South East.

• P Phoenix Bespoke Solutions Ltd London · Fire protection · 1-9 employees

  Phoenix Bespoke Solutions are a multi-discipline company specialising in Electrical, Fire, Intruder, CCTV, Door Entry & Access Control Systems

• P Pivot365 Dartford · Security systems · 10-49 employees

  Pivot365 are the Signage Safety Experts, providing superior brand signage inspection, installation, repair, and maintenance across retail, banking, au

• P PJC Locksmith and Security London · Security systems · 1-9 employees

  PJC Locksmith and Security offers high-standard locksmith services, specializing in non-destructive entry, UPVC repairs, and mobile key cutting. They

• P Pjh Safety Ltd London · Fire protection · 1-9 employees

  PJH Safety offers accredited health and safety training and consultancy services, including mental health first aid, fire marshal training, and site i

• P PL Trading Uxbridge · Steel fabrication · 1-9 employees

  PL Trading Ltd, a gate company in Harrow, specialising in wrought iron gates, railings, balustrades, and security grilles. Call now for high-quality m

• P Plb Maintenance And Supply Services Ltd Ilford · Refurbishment · 1-9 employees

  With over five years of industry experience, we deliver top-quality cleaning and maintenance solutions tailored to your needs. From office cleaning to

• P PLT Group London · Heating & ventilation · 10-49 employees

  Specialising in comprehensive facilities, roofing, drainage and mechanical services in the Kent, The South East and beyond.

• P Plumbing & Electrical Ltd Office 134 · Electrical · 1-9 employees

  Plumbing & Electrical Ltd is a electrical company based in Office 134, registered at Companies House in 2022.

• P Polarity Electrics London London · Electrical · 1-9 employees

  AI-powered electrical inspections, instant quotes and digital certification across London & the South East. Book an inspection or get an instant quote

• P Polish Builders 4u Ltd Croydon · Refurbishment

  Affordable and desirable construction company in London offering a wide range of construction work for residential and commercial projects. Call us fo

• P Polyteck Building Services Ltd London · M&E contracting · 50-249 employees

  Polyteck Building Services is a London-based company offering integrated solutions in building services, maintenance, and refurbishment, focusing on m

• P Porr UK Ltd Uxbridge · Main contractor · 10-49 employees

  PORR AG is one of Europe's leading construction companies, offering a full range of services from design and engineering to civil engineering and buil

• P Portclean Services Solutions Ltd London · Refurbishment · 10-49 employees

  Providing Cleaning Services For Over 15 years. Top Accreditations & +30 cleaners. Based In Clapham, Serving All London & Greater London.

• P Povey Little Services Ltd Sidcup · Electrical · 1-9 employees

  Povey Little accountants and business strategists in Kent.

• P Power Electrical Services LDN London · Electrical · 1-9 employees

  Power Electrical Services LDN are Enfield based Electricians serving all of London and surrounding areas. Providing domestic, commercial and industria

• P POWER ON Electricians LTD London · Electrical · 1-9 employees

  POWER ON Electricians LTD offer a full range of domestic and commercial electrical services across the UK. Services include testing, rewiring, EV char

• P Powercor Maintenance Ltd Weybridge · Electrical

  Powercor Maintenance Ltd is a electrical company based in Weybridge, registered at Companies House in 2022.

• P Powerlux Property Maintenance Ltd Romford · Electrical

  Powerlux Property Maintenance Ltd is a electrical company based in Romford, registered at Companies House in 2025.

• P Powerup Electrical Solutions Ltd London · Electrical · 1-9 employees

  PowerUp Electrical provides comprehensive electrical services for residential and commercial clients, including installation, maintenance, emergency r