Intruder Alarm Systems
Graded. Monitored.
Always On
Precisely specified intruder alarm systems for commercial premises across London and the South East. Grade 2 to Grade 4, smart app control and 24/7 monitored response.
System Grades
The Right Grade for
Your Risk Profile
Grade 2 Systems
The most common grade for commercial premises — cost-effective, highly capable and suitable for the majority of offices, retail units and light industrial properties.
Grade 3 Systems
Enhanced security for higher-risk premises with increased levels of concealment, tamper resistance and detection sophistication — recommended for premises with significant asset value.
Grade 4 Systems
Maximum security for the highest-risk environments. Grade 4 systems provide the most advanced level of protection — specified for banking, government and high-value commercial sites.
Our Approach
Specified for Your Site
Not Over-Engineered
Smart App Control
Set, unset and manage your alarm system remotely from your smartphone. Receive instant notifications and access event logs from anywhere in the world.
24/7 ARC Monitoring
Round-the-clock monitoring by our Alarm Receiving Centre — with police response where required. Your site is watched over every second, every day.
Independent Specialists
We are not tied to any single manufacturer. Every system is specified based on your exact risk profile, building type and security requirements.
What's Included
A Complete Intruder Protection Solution
Protect Your Premises
Start With a Free Survey
Our specialists will assess your site, advise on the right grade of system and provide a clear, competitive proposal.
Intruder Alarm Installation Across London
Commercial intruder alarm installation London. Grade 2, Grade 3 and Grade 4 monitored alarm systems for offices, retail, warehouses and residential buildings. SSAIB Standards. Covering EC1, EC2, WC1, E1, E14, SE1, SW1, N1, NW1. Serving City of London, Canary Wharf, Westminster, Islington, Hackney, Tower Hamlets, Southwark, Battersea, Lambeth.
Sysco Fire & Security provides intruder alarm systems across all London boroughs including: City of London EC1 EC2 EC3 EC4, Westminster SW1 WC1 WC2, Canary Wharf E14, Southwark SE1, Tower Hamlets E1, Islington N1, Hackney E8, Shoreditch E1, Clerkenwell EC1, Battersea SW8, Vauxhall SW8, Brixton SW2, Clapham SW4, Hammersmith W6, Notting Hill W11, Paddington W2, Marylebone W1, Mayfair W1, Greenwich SE10, Lewisham SE13, Deptford SE8, Stratford E15, Walthamstow E17, Leytonstone E11, Ilford IG1, Wembley HA9, Harrow HA1, Edgware HA8, Barnet EN5, Enfield EN1, Tottenham N17, Wood Green N22, Finsbury Park N4, Holloway N7 and all surrounding areas. Beyond London, Sysco also provides commercial installations across Hertfordshire (St Albans, Watford, Hemel Hempstead), Essex (Chelmsford, Brentwood, Harlow), Surrey (Guildford, Woking, Croydon, Sutton) and Kent (Dartford, Gravesend, Bromley). Hotel clients served include properties in the Hilton, Marriott and Holiday Inn portfolios across these areas.
Related Services
CCTV Systems
Advanced IP CCTV with active deterrence, facial recognition and remote monitoring.
Access Control & Intercoms
Paxton-approved access control and video intercom systems for commercial premises.
Monitoring & Maintenance
24/7 ARC monitoring and annual maintenance contracts for all security systems.