Skip to content 
Commercial Security System Installation, Repairs & Upgrades
Protect your business with systems that work – and keep working. No constant callouts. No admin hassle. Just reliable protection backed by 30+ years experience safeguarding local businesses.
- Trusted by Thousands of Local Businesses
- Cloud-Based & On-Site Options
- Flexible & Cost-Effective Packages
Commercial Security System Installation, Repairs & Upgrades
Protect your business with systems that work – and keep working. No constant callouts. No admin hassle. Just reliable protection backed by 30+ years experience safeguarding local businesses.
- Trusted by Thousands of Local Businesses
- Cloud-Based & On-Site Options
- Flexible & Cost-Effective Packages
Business Security Systems. Installed, Maintained & Monitored.
Since 1993, we’ve protected Oxfordshire businesses with security systems installed right first time, every time. We make security easy so you can focus on running your business. No risks, no distractions.
24-Hour Monitoring
Available
24 Hour Technician
Callout
Commercial Security Services
We handle every part of your security needs. One provider, one contact, complete accountability.
Trusted System Maintenance & Takeovers
We fix 90% of problems first time and are always there when needed. We can take over tech from all major manufacturers.
Professional Monitoring Services
Professional Monitoring Services
Cost-effective 24/7 monitoring that keeps your site safe, minimises false alarms, and ensures you get the rapid response you need.
Why Choose Chris
Lewis Group?
We focus on long-term relationships over one-off installs. That means we arrive on time, resolve issues thoroughly, and prevent problems, not just fix them.
8,000
Sites Protected
90%
First Time Fix Rate
01
False Alarms Every 6 Years
50+
Expert Engineers
8,000+
Sites
Protected
90%+
First Time
Fix Rate
01
False Alarm
Every 6 Years
98%
On-Time
Maintenance
Keeping South East England Safe for 30+ Years
From our Oxford base, we protect businesses across Oxfordshire, Buckinghamshire, Gloucestershire, London and the Home Counties. Our engineers live locally – they know the area, understand local businesses, and arrive fast when needed.
This isn’t remote support from a call centre. It’s personal service from people who know your systems, your business, and your site.
Case Studies
See how we’ve sorted fire and security for sites like yours. Reliable systems, satisfied clients.
Keeping South East England Safe for 30+ Years
From our Oxford base, we protect businesses across Oxfordshire, Buckinghamshire, Gloucestershire, London and the Home Counties. Our engineers live locally – they know the area, understand local businesses, and arrive fast when needed.
This isn’t remote support from a call centre. It’s personal service from people who know your systems, your business, and your site.
Case Studies
Considering the Switch?
You're in Good Company
Business Enquiries
Stop chasing contractors. We’ll review your setup and quote for hassle-free protection that just works.
Let's Get Your Fire & Security Sorted
Stop chasing contractors. We’ll review your setup and quote for hassle-free protection that just works.
Let's Get Your
Fire & Security Sorted
Stop chasing contractors. We’ll review your setup and quote for hassle-free protection that just works.
Latest Insights
Practical advice and industry updates to keep your business protected and compliant.
Compliance. Made Simple.
All Your Paperwork in One Place
- View all your properties, sites and systems
- Asset-level reporting on all devices
- Track maintenance, service visits and completion status
- Log new faults and maintenance requirements
Careers at Chris Lewis
Looking to join the South East’s leading Fire, Security, and Smart Home company? See our open roles and become part of a team built on innovation, excellence, and career growth.
Careers at Chris Lewis
Looking to join the South East’s leading Fire, Security, and Smart Home company? See our open roles and become part of a team built on innovation, excellence, and career growth.
