Complete Security & Electrical Services
At IST, we are a trusted and experienced electrical contracting company based in London, delivering high-quality residential and commercial solutions across the Greater London area. Known for our commitment to safety, reliability, and customer satisfaction, we pride ourselves on going the extra mile for every client.
Our team values honesty and transparency—so you’ll always know what to expect. No surprises, just expert service from fully qualified electricians and technicians.
Why Choose IST?
We believe customer satisfaction is key. Whether it’s a simple home upgrade or a complex commercial project, IST is your go-to choice for dependable electrical and security services in London.

Domestic Electrician Services
Our team handles everything from fuse board and consumer unit upgrades to complete home rewiring projects.

Commercial & Industrial Electrical Services
We deliver compliant, cost-effective solutions for commercial and industrial clients

Data Cabling Installation & IoT Systems
Data and voice cabling, fibre optic systems, network infrastructure, and home or business automation

Fire & Life Safety Systems
Install and maintain a wide range of fire alarms, smoke detectors, and emergency systems

Access Control, Door Entry & CCTV Systems
Security system installations, including CCTV, video door entry, and access control systems

Planned Preventative Maintenance Contracts
Electrical maintenance services to keep your systems running smoothly
Preventative Maintenance Plans
Regular electrical inspections and servicing help identify issues early, reducing the risk of faults, downtime, and costly repairs in the future.
Full House/Flat Re-Wires
We carry out complete rewiring for homes and flats to modernise old systems, improve safety, and meet current electrical regulations.
Lighting Design and Installation
Custom lighting solutions tailored to your space, combining energy efficiency, functionality, and style for both indoor and outdoor areas.
Consumer Unit Change and Replacement
Upgrade your old fuse box to a modern consumer unit with RCD protection for enhanced safety and compliance with current standards.
New Sockets/Switches
Installation of additional sockets or switches for improved convenience, function, and to meet the demands of modern electrical usage.
Garden Lighting Design and Installation
Transform your outdoor space with professionally designed and installed lighting to enhance ambience, security, and usability at night.
Security Lighting Installation
Boost your property’s safety with motion-activated or strategically placed security lighting to deter intruders and increase visibility.
CCTV Installation
Protect your home or business with high-definition CCTV systems that offer 24/7 surveillance, remote viewing, and peace of mind.
Door Access Systems Installation
We install secure door entry and intercom systems to manage access and improve security for residential or commercial buildings.
Appliance Installation
Safe and professional connection of electrical appliances, ensuring proper function and compliance with safety standards.
Audio and Visual Systems
Enhance your home or office with integrated audio/visual systems for entertainment, presentations, or smart control setups.
Entry Phone Installation
We fit reliable entry phone systems for flats, houses, or businesses, providing controlled access and secure communication.
Outside Lighting
Installation of weatherproof exterior lighting for driveways, patios, walkways, and other outdoor areas for added safety and charm.
Garage and Shed Power and Lighting
Extend your home’s electrical system to garages, sheds, and workshops with dedicated power and lighting installations.
Emergency Lighting
We install emergency lighting systems that activate during power outages to ensure visibility and safe evacuation routes.
Visual Inspections
Routine visual checks to identify potential hazards or wear in your electrical system, helping you stay safe and compliant.
Electrical Installation Condition Reports (EICR)
Detailed inspection and testing of your electrical system to assess its condition, identify risks, and ensure legal compliance.
Portable Appliance Testing (PAT Testing)
We test portable electrical appliances to ensure they are safe to use and meet health and safety requirements, especially for businesses and landlords.
Bathroom/Kitchen Extractor Fans
Installation of extractor fans in bathrooms and kitchens to prevent moisture build-up, reduce condensation, and improve air quality.
Recessed Spot Light Installation
Modern and stylish lighting solutions, recessed spotlights are perfect for kitchens, hallways, and living areas for a clean, minimal look.
Fire and Smoke Alarm Installation
Essential life safety systems professionally installed to detect fires early and alert occupants, in compliance with UK regulations.
Annex Offices, Garden Rooms, Studios & Ecospace Pods
We provide full electrical installations for garden offices, studios, annexes, and bespoke Ecospace units—ideal for remote work or creative spaces.
Services Overview
we specialise in delivering high-quality security, electrical, and data solutions tailored for residential, commercial, and industrial clients. Operating across London, Milton Keynes, Leicester, and surrounding areas, our team is dedicated to providing cutting-edge technology and exceptional service. Discover how our expertise can secure and enhance your property.