Protect What Matters Most.
Fire & security systems designed, installed and maintained by Guernsey's trusted specialists. 50+ years of combined experience — one local partner for complete peace of mind.
Trusted by Guernsey's homes, businesses
and public organisations
Whatever you need to protect, we tailor systems to your risk, regulations and operations.
Homeowners
Protecting families and property with discreet, reliable systems.
Businesses
Security, compliance and operational continuity in one partner.
Developers
Full design and installation packages from drawings to handover.
Facilities Managers
Planned maintenance and compliance support across portfolios.
Housing Associations
Life safety and security tailored to residential estates.
Public Sector
Reliable long-term protection for schools, councils and care.
From first survey to lifetime support
A single trusted partner across the full lifecycle of your fire and security systems.
Fully engineered fire & security solutions
From a single domestic alarm to a fully integrated commercial estate — we design and install systems that perform.
Local engineers.
Lifetime partners.
We're not a national contractor with a Guernsey number — we're islanders. Our team brings deep technical experience across residential, commercial and industrial systems, and a relationship-led approach you'll feel from day one.
Protect your property.Stay compliant.
Building owners, employers and landlords carry serious legal responsibilities for life safety. We help you meet them — and prove it.
Fire regulations
Systems designed and maintained to BS 5839, BS 5306 and current Guernsey legislation.
Building safety
Risk-led design that integrates with your fire strategy and evacuation plan.
Insurance requirements
Documentation, certification and service history insurers expect to see.
Ongoing obligations
Planned servicing, log books and audit-ready evidence year after year.
Protection that lasts beyond installation
A fire and security system is only as good as its last service. Our maintenance plans keep you safe, compliant and ready for inspection.
What people say about Penta
"Penta were quick, thorough and clearly knew what they were doing. The whole installation was painless."
"We needed a compliance-led partner for a commercial fit-out. Gavin and the team delivered exactly that."
"Excellent service from survey to handover — and they actually pick up the phone when we need them."
Fire & security across Guernsey
As a Guernsey-based fire and security company, we work across every parish — from St Peter Port and St Sampson to the Vale, Castel, St Andrew, St Martin, Forest, Torteval and St Saviour. Whether you need fire alarms in Guernsey, CCTV installation, access control or annual fire extinguisher servicing, our engineers are minutes away.
We support landlords, retailers, hospitality venues, finance houses, contractors and homeowners with practical, regulation compliant systems. We can also extend our services to Alderney, Sark and Herm on request.
Need Fire & Security Specialists You Can Rely On?
Protect your property, occupants and business with expert guidance from Penta Fire & Security. We'll survey your site, scope the right system and quote with no obligation.