About Trinity
Turnkey fire and security solutions
As the UK’s leading specialist in comprehensive fire detection, life safety and security solutions, we take pride in making buildings safer, helping organisations manage their safety with confidence and protecting communities.
Since 1997, we’ve grown to become a premier provider of integrated safety and security services. Our customer support teams operate from over 10 regional offices across the UK and our annual revenue exceeds £60M.
Our greatest achievement? Successfully protecting thousands of properties and people across the UK.
Key milestones:
The Experts Who Understand Your Safety & Security Challenges
We know managing fire and security systems can be overwhelming. If you’re juggling multiple contractors, dealing with inconsistent reporting, and trying to keep track of various certificates and deadlines, you’re not alone. These challenges are exactly why we’ve developed our comprehensive, single-partner approach.
Using our extensive knowledge we design, tailored solutions, to source, supply and install products from our trusted partners. We also provide a full aftercare and maintenance service to ensure full compliance.
At Trinity, we believe in more than just meeting standards – we’re revolutionising how fire and security systems are designed, installed and maintained.
Our People
What sets Trinity apart? It’s our people. With highly qualified engineers and a dedicated support team behind them, we deliver consistent, reliable service across the UK.
As part of PTSG – one of Europe’s leading providers of specialist services to the construction and FM sectors – we can supply every aspect of your fire, security and building needs.
Our engineers are DBS-checked, professionally qualified, and backed by dedicated project managers who stay with you from start to finish. In the background, our office team takes care of everything from admin to technical support, ensuring your experience is smooth from day one.
Professional, uniformed and respectful, our people work with care and courtesy. We keep you informed every step of the way, minimise disruption to your operations, and always wear clear identification and branded uniforms – so you know exactly who’s on site and what they’re there to do.
Technology & Approach
- Innovative Solutions: Our approach combines cutting-edge technology with practical application. We understand every site has unique requirements, so we design bespoke solutions that provide optimal protection while meeting all regulatory standards.
- Customer-Focused Service: We’ve invested in building a customer-focused approach that delivers services in a way that’s both supportive and simple. We understand safety and security can be complex, so we strive to make our services as straightforward and hassle-free as possible.
- Comprehensive Reporting: All our services are backed by detailed documentation. We provide clear, easy-tounderstand reporting that truly reflects your safety and security status, ensuring you have the information needed to maintain compliance and make informed decisions.
- Quality and Accreditations: We pride ourselves to deliver the highest quality of workmanship in order to meet the highest standards and best practices. Our wealth of third party endorsements are your assurance that we meet the highest possible standards.
Services
Your turnkey fire and security solutions partner our core services include:

Fire Detection & Life Safety
Fire Detection Systems, Voice Alarm Systems, Emergency Lighting, Disabled Refuge Systems & Fire Suppression Systems

Security Solutions
Access Control, CCTV Systems, Intruder Detection, Integrated Security Systems & Remote Monitoring Solutions
Growth & Partnerships
As part of PTSG with our nationwide network, we provide rapid response times, local knowledge and national resources across the UK.
We’ve developed long standing relationships with leading fire and security manufacturers, which means we’re able to offer our customers the highest level of technical expertise available in today’s marketplace.
We strive to produce new and innovative technical solutions for the ever changing requirements of the modern world.
“Trinity are a pleasure to manage contractually and their account management impeccable. Nothing is ever too much for them to take a look at and nothing gets left for the ‘too hard to resolve’ pile. I would personally recommend the services of Trinity to any company looking for Fire protection”
Facilities Manager, Heathrow Airport Terminal 3
Project Experience
AVIATION & INFRASTRUCTURE
COMMERCIAL
DEFENCE
Distribution
EDUCATION
FACILITIES MANAGEMENT
Finance & Banking
HEALTHCARE
HERITAGE
HOTEL & LEISURE
INDUSTRIAL
PUBLIC SECTOR
RESIDENTIAL
RETAIL & SHOPPING CENTRE
Stadia
Student Accommodation
We believe in delivering more than just fire and security systems
For Our Clients
- Clear, upfront pricing with no hidden costs
- Efficient processes that save you time and money
- Regular updates and transparent communication
- Expert advice when you need it
For Our Communities
- Local employment opportunities
- Comprehensive apprenticeship programmes
- Active community engagement
- Environmental responsibility
For Our Environment
- Waste reduction initiatives
- Responsible resource management
- Sustainable working practices
- Continuous improvement in environmental performance
Making Safety & Security Simple
Let us simplify your fire and security requirements with our all-in-one solution. We’ll handle everything from initial design to ongoing maintenance, giving you peace of mind and more time to focus on what matters most to your organisation.
Contact our team today to discover how we can transform your approach to fire detection, life safety, and security. One partner, one system, complete peace of mind.