Protecting people. Safeguarding property. Staying compliant.
Fire safety isn’t optional. From passive fire protection to fire door surveys and strategy remediation, this highly regulated sector sits at the centre of every commercial and industrial project – whether it’s a school, a logistics hub, a high-rise, or a healthcare site.
This guide profiles 50 of the UK’s most respected fire safety and passive fire contractors in 2025. These are the firms delivering fire stopping, compartmentation, fire boarding, and commercial fire compliance services to keep buildings operational and occupiers protected.
Whether you’re a facilities manager, principal contractor, or compliance lead, these are the names to know.
🔥 Passive Fire Protection & Fire Compliance Specialists
1. Harmony Fire
A nationwide group delivering fire stopping, cladding remediation, and passive fire packages across commercial, residential, and healthcare sectors.
2. Avrenim Group
Trusted by NHS Trusts, councils, and asset owners for fire door installations, compartmentation, and compliance upgrades.
3. Octa Group
Specialists in passive fire protection, fire stopping, and third-party accredited compliance works.
4. Decibel Fire & Security Ltd
BAFE-registered fire protection firm handling alarms, passive systems, and safety compliance packages.
5. Pro Sentry Ltd
Fire safety contractor for schools, public buildings, and commercial offices, with strong fire door expertise.
6. Passive Fire Safety Solutions Ltd
Well-established national contractor delivering passive fire and penetration sealing services at scale.
7. Octego Ltd
Fire safety partner for logistics, warehousing, and industrial units across the South East.
8. DSSL Group Ltd
Public sector fire and security contractor delivering large-scale compliance works.
9. Bartech Fire Safety Systems Ltd
End-to-end fire safety provider with strong track record in detection systems and passive protection.
10. Octain Fire Protection
London-based specialists in structural fire protection and commercial fit-out projects.
🔒 Fire Doors, Compartmentation & Cladding Remediation
11. Fortem
Well-known national property services contractor delivering fire strategy remediation and social housing compliance.
12. OpenView Security Solutions
Fire door, alarm, and passive works contractor with presence across public sector and FM clients.
13. BuildTherm Services Ltd
Experts in cladding replacement and external wall fire performance upgrades.
14. Ventro Group
Leading provider of passive fire protection and fire risk remediation across the UK.
15. Mears Group
FM provider delivering fire safety works in housing and community buildings nationwide.
16. SCCI Alphatrack
Fire alarm and safety systems contractor with added fire stopping and fire door expertise.
17. Adaston
Third-party accredited contractor delivering passive fire and door sets across residential and commercial projects.
18. STI Firestop
Global manufacturer with a UK presence offering certified fire stopping solutions.
19. SECO Fire & Security
Fire safety and security systems firm trusted by retail parks, developers, and local authorities.
20. PFP Specialists Ltd
Fire boarding and compartmentation specialists supporting Tier 1 contractors and FM providers.
🏢 Large-Scale Contractors & National Specialists
21. ISG Ltd
Delivers fire compliance and remediation works as part of wider construction and fit-out contracts.
22. NG Bailey
M&E contractor with a dedicated fire safety and building compliance division.
23. Bowmer + Kirkland
Main contractor delivering compliant passive fire installations via specialist supply chain partners.
24. Kier Group
National contractor with internal capacity for passive fire strategy upgrades and compliance support.
25. Equans UK & Ireland
Delivers FM-led fire safety upgrades, alarm systems, and passive compartmentation in live environments.
🔍 Fire Risk Assessment, Testing & Consultancy
26. FR Consulting
Independent fire safety consultants supporting design, FRA, and strategy implementation.
27. Firesafe Services Ltd
Offers FRA, fire stopping inspection, and specialist support for regulatory compliance.
28. Zeroignition
Fire performance consultancy with focus on material testing, cladding fire safety, and innovation.
29. IFC Group
Specialist consultancy offering fire engineering, inspections, and testing for buildings of all types.
30. London Fire Associates
FRA and fire strategy support with specific expertise in London commercial and residential assets.
🏗️ Regional Contractors Supporting Commercial & Industrial Clients (31 – 50)
These firms support a wide range of commercial projects.
- Anelec Group Ltd
- STOIC Roofing Ltd
- Neom Projects Ltd
- Avrenim
- Pro Sentry Ltd
- Harmony Fire
- Octa Fire
- Octego Ltd
- Passive Fire Safety Solutions Ltd
- Decibel Fire & Security Ltd
- First Choice Equipment Ltd (Resolve)
- DSSL Group Ltd
- T4 Engineering Group Ltd
- Medway Insulations Ltd
- CM Electrical London
- RSK Environment Ltd
- Ashworth Demolition Ltd
- Green Plant Ltd
- Barassie Engineering Systems Ltd
- Fire Door Specialists Ltd
Supporting Fire Compliance on Site
Fire safety contractors face tight deadlines and live-site risks – especially when working in schools, hospitals, and occupied buildings. The right site welfare setup is essential.
euroloo supports fire safety projects with:
✅ Modern, zero-emission ecowelfare units
✅ Low-emission sanitation for city or remote sites
✅ Emergency call-out support across England
Our team was proud to assist the London Fire Brigade in the early hours during the Grenfell Tower tragedy, providing emergency toilets and sanitation on site – when it mattered most.
Need Low-Emission Welfare for a Fire Safety Project?
Whether you need fast setup on a remediation job or long-term welfare support for passive fire works, our solar-powered welfare units and nationwide coverage are trusted by the UK’s leading contractors.
🔗 Explore ecowelfare unit hire →
