Business Details
42 Years
experience
Emergency
services
Trusted Security Solutions Since 1984
Established in 1984, Crosby Intruder Alarms has grown into one of Merseyside's leading independent security alarm companies. Our family-owned business combines over four decades of industry expertise with a commitment to quality, offering nationwide installation and support. We specialise in state-of-the-art security solutions including intruder alarms, CCTV systems, fire alarms, and access control, all installed by our uniformed, police-checked technicians. Our engineers hold City & Guilds qualifications or FESS Trailblazer apprenticeships, ensuring technical excellence and ongoing professional development.As an SSAIB-registered firm with UKAS accreditation, we maintain the highest industry standards while providing tailored security solutions for both domestic and commercial clients. Our dedication to product testing and innovation ensures only the most reliable equipment is used, with a 40-year track record of customer satisfaction and industry leadership.
Services
Intruder Alarms
CCTV Systems
Fire Alarms
Access Control
Nurse Call Systems
Smokecloak Solutions
Public Address Systems
Emergency Lighting
Home Automation
Monitoring Services
Details
- Year established: 1984
Highlights and features
- 40 years of specialist security experience since 1984
- SSAIB registered with UKAS accreditation
- Uniformed, police-checked technicians with City & Guilds qualifications
- Nationwide installation and support network
- Comprehensive product testing before customer deployment
Associations and certifications
- SSAIB
- UKAS
What people say
Excellent service
Highly recommended
First class service
Professional and reputable
Prompt and efficient
Services
Intruder Alarms
Advanced intrusion detection systems with audible deterrents and remote monitoring options. Installed by police-checked technicians using quality brands like HKC and Orisec. Systems include smart phone integration and 24/7 monitoring through approved alarm receiving centres.
CCTV Systems
High-resolution closed-circuit television systems for property security. Featuring IP technology and remote viewing capabilities. Installed using quality brands with options for both domestic and commercial applications, including multi-camera installations and cloud monitoring.
Fire Alarms
Comprehensive fire detection systems with smoke and heat sensors. Installed by qualified engineers using brands like C-Tec and Apollo. Systems meet current British standards with options for both residential and commercial properties including emergency lighting integration.
Access Control
Electronic access management systems preventing unauthorised entry. Featuring keycard and biometric solutions from brands like Paxton and PAC. Systems integrate with existing security infrastructure and include audit trail capabilities for commercial applications.
Nurse Call Systems
Wireless emergency call systems for healthcare environments. Supplying and installing Aid-Call branded systems with wireless technology. Solutions include staff locating systems and integration with building management systems for care homes and medical facilities.
People
Roy Williams
Co-Founder
Co-founder of Crosby Intruder Alarms with over 30 years in the security industry. Pioneered quality installation standards and trained numerous apprentices. Passed away in 2020 but left lasting legacy in company values.
Ann Williams
Co-Founder
Co-founder with over 30 years industry experience. Maintained company's commitment to quality and customer service. Key figure in developing business from small enterprise to national security provider.
Gareth Williams
Partner
Third-generation security professional with 15 years experience. Transitioned from apprentice to business partner. Specialises in IT development and system integration while maintaining family business values.
Questions
What security services do you offer?
We provide intruder alarms, CCTV systems, fire alarms, access control, nurse call systems, and emergency lighting solutions for both domestic and commercial properties.
Are your engineers qualified?
All engineers are police-checked, DBS vetted, and hold City & Guilds qualifications or FESS Trailblazer apprenticeships with regular manufacturer training updates.
Do you offer nationwide service?
Yes, while based in Liverpool we provide installations and support throughout the UK with a network of approved technicians.
What monitoring options are available?
We offer 24/7 monitored systems through approved alarm receiving centres with options for self-monitoring via smartphone apps and police response call-outs.
How do you handle emergency repairs?
Maintained customers receive four-hour response times with emergency call-outs available for urgent security issues outside standard office hours.
What accreditations do you hold?
We are SSAIB registered with UKAS accreditation, ensuring compliance with industry standards and quality installation practices across all our security solutions.
