Networking Installation & Data Cabling in London
All solutions in London and surrounding areas
Welcome to Comm-si, your trusted experts in networking installation and data cable installation across London and the UK. Established in 1999, we bring over two decades of experience to each project, delivering reliable structured cabling services solutions through our team of qualified engineers.
Committed to offering unbiased advice and competitive pricing, we are certified installers for leading brands like Brand-Rex, Nexans, Excel, and Ultima, ensuring every job meets the highest standards. Though based in London, we proudly serve clients nationwide, bringing seamless networking solutions to both commercial and residential spaces.
Ready to upgrade? Contact us to discuss your needs and learn more about our free site surveys!
Network Cabling in London and Surrounding Areas
Data Network Cabling
Fibre Optic Cabling
We install both single-mode and multi-mode fibres to give you lightning-fast data transfer speeds, helping to future-proof your network infrastructure. From the initial design to the final setup, we provide a seamless, end-to-end solution tailored to meet your needs.
FREE SITE SURVEYS AVAILABLE
Wi-Fi Installations
Our Wi-Fi installations deliver secure, high-performance connectivity with expertly placed access points, routers, and firewalls. Using advanced Ekahau heatmaps, we map out the best spots for coverage, ensuring seamless, reliable Wi-Fi for your home or business.
CCTV Security Cameras
We specialise in IP CCTV security cameras for both commercial and residential spaces, offering comprehensive coverage tailored to your needs. Starting with a full risk analysis, we design custom CCTV systems that eliminate blind spots and fit seamlessly into your space.
Why Choose Comm-Si?
- Exceptional Customer Service – We prioritise your needs, working within tight time frames while ensuring optimal performance.
- Highly Qualified Engineers – Our team is fully trained, ECS-certified, DBS-checked, and asbestos-aware for safe, reliable installations.
- Independent and Unbiased Advice – As an independent provider, we recommend the best products from top brands, giving you the most effective data cable installations.
- Rigorous Testing for Reliability – Every data point is Fluke-tested to ensure consistent, high-quality performance.
- Decades of Experience – With over 25 years in Networking Installation and structured cabling services, we bring unparalleled expertise to each project.
Our Customers
