Best Alarm System for a Small Business: What to Buy and Why
By the DC Fire & Security engineering team — installing and maintaining fire and security systems since 2010. Updated June 2026.
Quick answer
Most small businesses should buy a Grade 2 system (Texecom Premier Elite or Hikvision AX Pro hybrid) with app control, professionally installed and certificated — £800–£2,500 fitted. Add ARC monitoring (£150–£400/year) if the premises stand empty overnight or your insurer requires response. Check your policy wording first: it frequently specifies grade, installer certification and monitoring level for you.
Start with the insurance wording, not the hardware
Commercial policies routinely carry alarm conditions: 'EN 50131 Grade 2 system installed and maintained by an NSI or SSAIB approved company, with keyholder response' — or stronger for higher-risk trades. Buying before reading that sentence is how businesses end up purchasing twice. The wording dictates grade, certification (the installer's, verifiable on the SSAIB/NSI registers), monitoring level and maintenance contract. No stated condition? Then design to risk: stock value, cash, location, claims history — and tell your insurer what you've fitted, because discounts follow certificates.
The specification that fits most small premises
- Grade 2 panel (Texecom Premier Elite hybrid or AX Pro wireless): contacts on entrances, PIRs covering stock/till/office, panic button where cash is handled
- App control with named users — staff arm/disarm on their own codes/fobs, and the log shows who, when (late-to-set alerts catch the classic 'last one out forgot')
- External sounder visible from the street — deterrence is part of the product
- ARC monitoring where the building sleeps alone: keyholder response £150–£400/yr; police response (URN) for higher risk from £300–£600/yr with dual-path signalling
- Annual maintenance: condition of URNs, insurer compliance, and the certificate refresh
- CCTV integration worth doing at the same visit: alarm event + camera clip is what convinces police and insurers
Costs by scenario, fitted
Small shop/office, wireless Grade 2, bells-only + app: £800–£1,500. Same with keyholder monitoring: add £150–£400/yr. Unit with stockroom and roller doors, wired/hybrid Grade 2 monitored: £1,500–£2,500 + monitoring. High-value stock (e-cigs, tools, pharma, cash) where insurers push Grade 3 with confirmed police response: £2,500–£5,000+ and £300–£600+/yr. Every figure consistent with our full cost guide; every quote we issue itemises devices and names the grade so your insurer can say yes in one email.
Frequently Asked Questions
Bells-only or monitored for a small business?
Can staff have individual alarm codes?
What's a panic button and do we need one?
How fast can you install before our insurance renewal?
Need help from a professional installer?
We install and maintain fire and security systems across Bedfordshire, Hertfordshire and London — with fixed written quotes, a 36-month warranty, and certification your insurer will accept.
Request a free survey
Free site visit · No obligation · Response within 24 hours