Protect your business with an intruder alarm system engineered for compliance, continuity, and control. T H WHITE have been delivering NSI Gold-accredited commercial alarms across Wiltshire, Gloucestershire, and Bristol for more than 40 years. Designed for SMEs, facility managers and multi-site operations, our professionally installed security solutions are fully insurance compliant and tailored to your business. Book a free site survey to see how we can help you today.
Fully Integrated, Turnkey Intruder Alarm Systems
We offer turnkey security solutions to business across Wiltshire, Gloucestershire and Bristol. Our services include:
- Design
- Installation
- Commissioning
- System monitoring
- Servicing
- Reactive callout support
All security systems installed by us use only the best, tried and tested products that make use of the latest technologies. Our chosen suppliers, Ajax, Honeywell and Texecom, are security industry leaders that we have chosen carefully based on our extensive experience because they offer the best products available.
Why EFS? Commercial Security Built for Your Business Priorities
Accredited & Insurance Compliant
Insurers now expect NSI/SSAIB-certified systems. We ensure your alarm installation meets all relevant British Standards – reducing liability, enabling policy compliance, and often lowering premiums.
Trusted by SMEs & Property Professionals
From independent retailers to multi-site landlords, our clients choose us for our local expertise, professional installations, and long-term reliability. We’re not a national call centre, we’re on the ground, nearby, and quick to respond.
Integrated Security, Simplified Management
Combine intruder alarms with access control, fire detection, CCTV, and 24/7 remote monitoring, all managed through one provider, under one SLA. Ideal for time-strapped facility managers and growing enterprises.
Demonstrable ROI
Our systems help mitigate risk, prevent downtime, and ensure regulatory compliance. We’ll help you make the case for business buy-in with a bespoke proposal backed by cost-benefit analysis and long-term service value.
Who We Help
T H WHITE are the local security partner of choice and we’re renowned for our expertise and exceptional service levels. We’re proud to help a range of clients, including:
SME Business Owners
Running a small or medium-sized business? You’ve already got enough to manage. EFS helps protect your assets, people, and premises with alarm systems designed for:
- Retail, offices, warehouses, and workshops
- Insurer-compliant installations with monitoring options
- Future-ready expansion for growing sites or staff counts
With over 23,000 SMEs in Wiltshire alone, demand is surging for commercial-grade intruder alarms, especially as insurance providers tighten compliance requirements. Some of the most common triggers for install we see are:
Facilities & Property Managers
Managing a portfolio? You need scalable, streamlined security systems across every property. We assist you with:
- Centralised monitoring for multiple sites
- Consistent system standards across locations
- Customised SLAs and compliance reporting tools
Whether you oversee residential developments, industrial parks, or commercial properties, our intruder alarm systems integrate seamlessly with your operational framework and free your team to focus on what matters.
We Support:
- Property management firms
- Housing associations
- Commercial landlords
- Institutional facilities teams
Know the Risks
Insurance premiums are on the rise, driven by increasing crime and greater risk. Crime levels are increasing and, in places like Wiltshire and the surrounding areas where property values are high, this represents a real concern. In Bristol alone there is an average of almost 135 crimes per 1000 residents and statistics like these cost businesses real money, especially those that aren’t taking the proper precautions,
Did you know that, Post-COVID, 43% of businesses report increased concern about physical security? Insurance requirements now influence over 65% of all alarm system installs, making certified, professionally managed solutions the new standard. Don’t get left behind, call us today and make sure your security is up to scratch.
How We Work
At T H WHITE, we know how difficult it is to run a business. Security shouldn’t need to be a daily concern, so we’ve made our installation process simple:
- Consultation & Site Survey
Every system begins with a risk-based assessment and discussion of insurance obligations.
- Professional, Disruption-Free Install
Our local, fully accredited engineers complete your bespoke system installation to British Standards.
- Ongoing Maintenance & Support
We provide ongoing after sales support, including SLAs tailored to business needs, local call-out coverage and remote diagnostics.
Upgrade Your Security Today
Is your business or property in need of a new intruder alarm installation? Start with a no-obligation consultation. We’ll map your risks, compliance needs, and operational goals, then recommend a system that works now and scales for the future.
FAQs
What type of intruder alarm system is best for my business? It depends on your premises, insurance requirements, and operational needs. We offer tailored solutions including motion sensors, perimeter alarms, and integrated systems with CCTV and access control.
Are your intruder alarm systems insurance compliant? Yes. All systems are installed to NSI Gold standards and comply with insurer requirements under BS EN 50131. We’ll ensure your alarm meets specific policy conditions.
Do you provide monitoring and maintenance? Absolutely. We offer 24/7 alarm monitoring with rapid response options, plus ongoing service plans to keep your system compliant and operational.
Can you install intruder alarms across multiple sites? Yes. We specialise in scalable solutions for facilities managers and multi-site operators, with centralised monitoring and consistent installation standards.
How quickly can you install a commercial intruder alarm? After an initial site survey, we can typically complete installation within 5–10 working days, depending on complexity. Emergency response is available for urgent risk situations.
What areas do you cover? We operate across Wiltshire, Gloucestershire, and Bristol, with local engineers based throughout the region for fast service and support.
How much does a business intruder alarm system cost? Costs vary by site size and system complexity. We provide free quotes with detailed breakdowns, including potential insurance savings and ROI projections.
