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Business Details
33 Years
experience
Emergency
services
Trusted Fire & Security Services in Castle Cary
Established in 1993, MJS Fire & Security has built a reputation for delivering tailored fire and security solutions across the South West. Our team of certified technicians specialises in designing, installing, and maintaining advanced systems including fire alarms, intruder alarms, HD CCTV, and access control for residential and commercial clients. Holding SSAIB certification since 1994, we adhere to rigorous industry standards while prioritising local, personal service. With 31 years of operational history, we combine technical expertise with a commitment to 24/7 emergency support, serving areas including Somerset, Dorset, Wiltshire, Devon, Bristol, and Gloucestershire.

Our investment in cutting-edge technology, such as remote monitoring and HD digital CCTV, ensures clients receive future-proof security solutions. Regular system audits and compliance with BS8243:2010 and BAFE SP203-1 standards demonstrate our dedication to quality. We maintain transparency through clear pricing, no hidden fees, and comprehensive consultations to address individual security needs.
Services
Fire Alarms Intruder Alarms Security Cameras Access Control Lock fitting Safes Maintenance Contracts Remote Signalling Emergency Lighting
Details
  • Year established: 1993
Highlights and features
  • We have 31 years of specialist experience in fire and security systems
  • Our installations comply with BS8243:2010 and BAFE SP203-1 standards
  • 24-hour emergency response with 4-hour attendance guarantee
  • SSAIB-certified since 1994 for quality assurance
  • Local expertise covering Somerset, Dorset, Wiltshire and surrounding areas
Associations and certifications
  • SSAIB
  • BAFE
What people say
5 star service No hard selling Care taken with wiring House cleaner after work Delighted with upgraded system
Services
Fire Alarms
We design and install commercial and residential fire alarm systems compliant with BS8243:2010 standards. Our solutions include wireless options, emergency lighting, and maintenance contracts. Systems integrate with remote monitoring for continuous protection. With over 30 years of experience, we ensure compliance with current fire safety regulations while providing tailored solutions for each property's unique requirements.
Intruder Alarms
Our intruder alarm systems combine traditional and wireless technologies with 24/7 monitoring capabilities. Installations meet ACPO Policy and European Standard BS EN 50131 requirements. We offer pet-friendly motion detectors and smartphone integration via the Connect App. All systems include optional remote signalling through BT GSM Redcare or DualCom for enhanced security and rapid response.
Security Cameras
We provide HD CCTV installations with superior image quality compared to analogue systems. Options include covert cameras, IP installations, and pan-tilt-zoom (PTZ) models. Remote viewing via mobile apps allows real-time monitoring from anywhere. Our systems incorporate motion detection alerts and comply with data protection regulations, ensuring both security and legal compliance for residential and commercial properties.
Access Control
Our access control solutions range from standalone fingerprint scanners to multi-point smartcard systems for commercial environments. We install biometric readers and proximity card systems that integrate with existing security infrastructure. Residential systems offer smartcard entry solutions while maintaining audit trails of access events. All installations meet industry security standards for commercial and private properties.
Maintenance Contracts
We offer comprehensive maintenance plans covering fire alarms, intruder systems, CCTV, and access control. Contracts include 24/7 emergency response with 4-hour engineer attendance. Remote monitoring through Alarm Receiving Centres ensures system functionality. Regular inspections maintain compliance with insurance requirements and industry standards, with engineers using onboard computers to access service histories during visits.
People
Mark Stenner
Founder & Managing Director
Mark established MJS Fire & Security in 1993, bringing over 30 years of security industry experience. He oversees operations from Castle Cary, maintaining the company's commitment to personal service while embracing technological advancements like HD CCTV and remote monitoring systems.
Questions
What areas do you cover?
We serve Somerset, Dorset, Wiltshire, Devon, Bristol, Hampshire, and Gloucestershire from our Castle Cary base.
Are you SSAIB certified?
Yes, we've held SSAIB certification since 1994, meeting strict industry standards for security installations.
Do you offer emergency services?
We provide 24/7 emergency cover with engineer attendance within 4 hours for maintained systems.
Can you service existing systems?
Yes, we support most security systems including BT GSM Redcare and DualCom remote signalling options.
What payment methods do you accept?
Please contact us directly for payment options as this information isn't specified in our documentation.
Do you offer monitoring services?
We provide 24-hour alarm monitoring through certified Alarm Receiving Centres for multiple system types.