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Business Details
47 Years
experience
Emergency
services
Trusted Security and Fire Safety Solutions in Portsmouth
Established in 1979, Holt Alarms has built a reputation as a trusted provider of comprehensive fire safety and security solutions across the South Coast of the UK. Our family-run business specialises in designing, installing, and maintaining intruder alarms, fire alarms, CCTV systems, access control, and emergency lighting for domestic, commercial, and industrial clients. With over 40 years of industry experience, our fully qualified engineers deliver impartial advice and tailored systems to meet individual security needs, supported by 24/7 monitoring services and NSI Gold-accredited standards.

We prioritise client satisfaction through free site surveys, competitive pricing, and ongoing maintenance contracts, ensuring systems remain compliant and effective. Our commitment to quality is reinforced by partnerships with leading manufacturers and adherence to BS 7858 standards for staff vetting, providing clients with reliable, future-proof security solutions.
Services
Intruder Alarms Fire Alarms CCTV Systems Access Control Emergency Lighting
Details
  • Year established: 1979
Highlights and features
  • We have over 40 years of experience in security system design and installation.
  • Our engineers are fully qualified and DBS-checked under BS 7858 standards.
  • We offer 24/7 monitored alarm and fire systems with police response options.
  • Free site surveys and impartial advice tailored to your specific requirements.
  • NSI Gold-accredited services ensuring compliance with industry-leading standards.
Associations and certifications
  • NSI Gold
  • NICEIC
  • ECA
  • ELECSA
Services
Intruder Alarms
We design, install, and maintain fully wireless intruder alarm systems tailored to your security needs. Our NSI Gold-accredited engineers provide impartial advice and police-response options. Systems integrate with digital communication technologies for reliable 24/7 protection.
Fire Alarms
Our fire alarm systems include manual and automatic detection solutions with optical/ionisation/heat detectors. We offer free fire safety surveys and install conventional or addressable systems compliant with current legislation for commercial and domestic properties.
CCTV Systems
We supply and install high-performance digital CCTV systems with remote viewing capabilities. Our systems include covert and multi-camera setups, supported by 24/7 monitoring and cloud storage options for enhanced security and real-time access.
Access Control
Our access control solutions include card swipe, biometric, and keypad systems integrated with alarm systems. We provide standalone and networked options for secure entry management in commercial environments with time-stamped access logs.
Emergency Lighting
We design and maintain emergency lighting systems ensuring safe evacuation during power outages. Our services include monthly flick tests, annual 3-hour battery drain tests, and compliance certification for commercial premises.
Questions
What areas do you cover for security installations?
We cover Hampshire, West Sussex, Dorset, and surrounding areas for all our fire and security system services.
Do you offer free security surveys?
Yes, we provide free, no-obligation site surveys and quotations for all our security and fire alarm systems.
Are your engineers qualified and vetted?
All our engineers are fully qualified and DBS-checked under BS 7858 standards for security clearance.
Can you monitor alarm systems 24/7?
Yes, we offer 24/7 monitoring through an NSI Gold Alarm Receiving Centre with police response options.
What accreditations do you hold?
We are accredited by NSI Gold, NICEIC, ECA, and ELECSA for electrical and security system compliance.
Do you provide maintenance contracts?
Yes, we offer scheduled maintenance contracts for all installed fire, security, and electrical systems to ensure ongoing compliance.