Business Details
42 Years
experience
Emergency
services
Your Trusted Partner for Security Solutions in Liverpool
Established in 1984, Crosby Intruder Alarms has grown into one of Merseyside's leading independent security alarm companies, serving clients nationwide. Our commitment to quality is reflected in our use of premium products and meticulous installation practices, ensuring reliable protection for domestic and commercial properties. As a family-owned business, we combine decades of industry experience with a personal touch, offering tailored security solutions backed by professional expertise. Our team comprises DBS-checked, qualified engineers who adhere to the highest standards of workmanship and customer service.Recognised as an SSAIB-registered firm with UKAS accreditation, we provide peace of mind through comprehensive security systems, including intruder alarms, CCTV, fire detection, and emergency lighting. With a legacy of innovation and customer-centric service, we continue to deliver trusted security solutions that evolve with technological advancements and client needs.
Services
Intruder Alarms
CCTV Systems
Fire Alarms
Access Control
Nurse Call Systems
Smokecloak
Public Address Systems
Emergency Lighting
Home Automation
Data Cabling
Details
- Year established: 1984
Highlights and features
- 40 years of experience in security solutions since 1984
- Family-owned with a personal, customer-focused approach
- SSAIB-registered and UKAS-accredited for quality assurance
- DBS-checked, qualified engineers with technical expertise
- 24/7 monitoring services for uninterrupted protection
Associations and certifications
- SSAIB
- UKAS
What people say
Excellent service
Professional and reputable
Knowledgeable and helpful
Prompt and efficient
Highly recommended
Services
Intruder Alarms
Advanced intruder alarm systems deter unauthorised access to homes and businesses. Installed by uniformed, police-vetted technicians using quality brands. Systems comply with British Standards, offering customised protection with optional 24/7 monitoring for immediate response.
CCTV Systems
High-definition CCTV systems provide visual deterrence and evidence capture. Installed with branded equipment, our solutions include IP technology for remote viewing. Designed for small businesses to large-scale commercial properties, ensuring comprehensive security coverage.
Fire Alarms
Reliable fire alarm systems installed by qualified engineers. Features include smoke and heat detectors compliant with current regulations. Regular maintenance ensures optimal performance, safeguarding occupants and property against fire risks.
Nurse Call Systems
Wireless nurse call systems for healthcare facilities, ensuring rapid response to patient needs. Supplied and maintained using Aid-Call branded products. Ideal for hospitals, care homes, and assisted living environments with seamless integration and reliability.
Emergency Lighting
Emergency lighting solutions guarantee safe evacuation during power failures. Installed to meet regulatory requirements, these systems illuminate escape routes and critical areas. Regular testing ensures compliance and operational readiness for commercial properties.
People
Gareth J. Williams
Partner
Gareth joined the family business in 2008 as an apprentice, progressing to partner after Roy Williams' passing. He oversees operations and IT development, continuing his father's legacy in training apprentices at North West Training Council.
Ann E. Williams
Co-Founder
Ann co-founded Crosby Intruder Alarms in 1984, building a reputation for quality installations. With over 30 years in the industry, she remains pivotal in maintaining the company's commitment to excellence and customer satisfaction.
Questions
What security services do you offer for residential properties?
We provide intruder alarms, CCTV, fire alarms, and emergency lighting tailored for homes. Systems include optional 24/7 monitoring and remote access via smartphone apps.
Are your engineers qualified and vetted?
All engineers are DBS-checked, qualified to City & Guilds standards, and undergo regular manufacturer training. Many hold FESS Trailblazer apprenticeships and technical certifications.
Do you provide nationwide coverage?
Yes, while based in Liverpool, we install and maintain systems across the UK, supporting national contracts for commercial clients and individual homeowners.
What accreditations do you hold?
We are SSAIB-registered and UKAS-accredited, ensuring compliance with industry standards. This guarantees quality installations and adherence to British safety regulations.
Can you repair existing security systems?
Yes, we offer third-party repair services for systems installed by other companies, including diagnostics and maintenance for both domestic and commercial clients.
