Our Services
WSD delivers every fire safety and electrical specialism in-house, across the UK. Each service is staffed by our own engineers, designed and installed to current British Standards, and supported by planned maintenance contracts where required. Pick the service you’re interested in below, or contact us to talk through a multi-service project.

Fire Safety Servicing & Maintenance
Planned, proactive maintenance for fire alarms, emergency lighting, sprinklers, gas suppression, trace heating and fire extinguishers. UK-wide, all in-house.
Emergency Lighting Installation, Testing & Maintenance
BS 5266-compliant emergency lighting design, install, testing and maintenance. Self-contained LED, central battery, addressable. UK-wide.
Linear Heat Detection Systems
Linear heat detection cable systems for cable trays, tunnels, conveyors, car parks and industrial environments. BS 5839, designed and installed in-house.
Fault Finding & Diagnostics for Fire & Life Safety Systems
Specialist fault finding and diagnostics across fire alarm, emergency lighting, gas suppression, VESDA, sprinkler and trace heating control systems.
VESDA Aspirating Smoke Detection Systems
VESDA aspirating smoke detection design, installation, commissioning and maintenance. In-house pipework design. LPS 1014 and BS 5839 compliant.
Fire Alarm System Installation, Design & Commissioning
BS 5839-compliant fire alarm systems designed, installed, commissioned and maintained by our own engineers. Commercial and industrial across the UK.
Sprinkler Zone Check Systems
Flow-switch and zone valve test systems for compliant sprinkler zone monitoring.
Gas Suppression & Fire Suppression Systems
Gas and clean-agent fire suppression systems for data centres, server rooms, switch rooms and critical infrastructure. Novec 1230, FM-200, inert gas, CO2.
Pre-Action & Deluge Systems
The electrical side of pre-action and deluge fire suppression systems. Detection, control panels, cause-and-effect, integration. Tyco, Viking, Reliable, Victaulic.
Frost Protection Health Checks
Pre-winter audits of trace heating, insulation and frost-stat circuits before it matters.
Electric Trace Heating Systems
Self-regulating trace heating and insulation for sprinkler tanks, pipework and pump rooms.
Full Life Safety Monitoring
Centralised signal monitoring for sprinkler, wet riser and life safety systems. Local panel, remote diagnostics, integrated with the wider fire strategy.
Pump Wiring & Control Circuits for Sprinkler & Wet Riser Systems
Electrical containment, wiring and control circuits for sprinkler and wet riser pump systems. Plant room electrical install, designed and built in-house.
Commercial Water Leak Detection Systems
Commercial water leak detection systems for data centres, server rooms, plant rooms and critical infrastructure. TTK, TraceTek, Aquilar, RLE. UK-wide.
Get In Touch
Contact usAccreditations and standards
BAFE, NICEIC, FIA, BSI and SafeContractor. £5m public liability, £10m employers liability, £1m professional indemnity, £5m product liability.


Not sure which service you need?
We will arrange a site survey, scope the system inventory, and quote against what you actually need – no menu of upsells, no commitment until you have seen the proposal.