Security System Experts Serving Beaconsfield

Security systems for Beaconsfield homes and businesses – installed and maintained by NSI Gold engineers. Looking for a quote? Complete the form below or call us directly on 01865 782 444.

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Security System Experts
Serving Beaconsfield

Security systems for Beaconsfield homes and businesses – installed and maintained by NSI Gold engineers. Looking for a quote? Complete the form below or call us directly on 01865 692 687.

Keeping Homes & Businesses Safe & Secure Across Buckinghamshire

Chris Lewis Group has protected Buckinghamshire properties for over 30 years through expertly installed security systems. Our NSI Gold-accredited team delivers intruder alarms, access control, CCTV installations, and monitoring services.

With a 90%+ first-time fix rate and complete maintenance support, we offer protection your business can count on – with fewer upgrades, faster support and better long-term value.

Speak to an expert

Our Security System Services

We handle every part of your home or business security needs. One provider, one contact, complete accountability.

Security Systems for Businesses

Protect your business with reliable systems built to last. Whether you're securing an office, retail space or school, our expert engineers minimise disruption during installation whilst maximising your long-term security.

Security Systems for Your Home

Protect what matters most with discreet, professional-grade systems designed for high-value properties. From sophisticated burglar alarms to automatic gates and CCTV systems, our tech keeps you and yours safe.

Trusted System Maintenance & Takeovers

We fix 90% of problems first time and are always there when needed. Have a security system already in place that we didn’t install? Not a problem. We can take over systems using technology from all major manufacturers.

Professional Monitoring Services

24/7 monitoring by professionals who know what to look for. If something happens, they check it’s genuine, then call you or the police straight away.
A man monitoring a CCTV system

Professional Monitoring Services

24/7 monitoring by professionals who know what to look for. If something happens, they check it’s genuine, then call you or the police straight away.

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.

90%

First Time
Fix Rate

33+

Years Securing South Bucks

10-Year

Warranties Available

01

False Alarm
Every 6 Years

90%

First Time
Fix Rate

33+

Years Securing South Bucks

10-Year

Warranties
Available

01

False Alarm
Every 6 Years

Keeping South East England Safe for 30+ Years

Operating from our Oxfordshire base, we serve Beaconsfield with local engineers who cover the area regularly. When something needs attention quickly, we’re nearby. For planned servicing, we schedule around you – not our route planning. You work with engineers who know the local patch, delivering consistent service without the delays of regional coverage.

Case Studies

See how we’ve sorted security for sites and homes like yours.

security camera

Keeping South East England Safe for 30+ Years

Operating from our Oxfordshire base, we serve Beaconsfield with local engineers who cover the area regularly. When something needs attention quickly, we’re nearby. For planned servicing, we schedule around you – not our route planning. You work with engineers who know the local patch, delivering consistent service without the delays of regional coverage.

Case Studies

See how we’ve sorted security for sites and homes like yours.

Request a Call Back

Looking for a quick response? Complete the form below and a member of our team will get back to you in the next few hours.

FAQs

Quick answers to common questions about security systems.

Basic alarm systems start around £1,500 for small properties, whilst integrated systems with CCTV and access control range from £5,000 to £30,000+. Final cost depends on site size and required features.

We install and maintain systems using technology from Verkada, Texecom, Avigilon, Paxton, Hikvision and most other major security brands. We can also take over existing systems regardless of who installed them.

Yes. We maintain security systems with proactive servicing that prevents faults. Our false alarm rate is 6x lower than industry average, meaning fewer callouts.

Yes. We offer up to 10-year warranties on new installations. This covers equipment failures and workmanship – not damage or misuse.

Yes. We take over systems from other installers and work with all major manufacturers. We fix 90%+ of problems on the first visit.

Yes. We install to NSI Gold standards, which meets most insurance requirements. We’ll confirm your insurer’s specific requirements before installation.

Yes. Integrated systems mean one login, one app, and complete visibility. Your alarm can trigger CCTV recording, or access control can disable alarms automatically.

Basic alarm installations take 1-2 days. Integrated systems with CCTV and access control take 3-5 days depending on site complexity. We’ll give exact timings after the survey.