Call Now
Website
Call
Business Details
29 Years
experience
Emergency
services
Trusted 24/7 Keyholding and Alarm Response Services in London
Security Keyholding has been a trusted provider of keyholding and alarm response services for over 28 years, serving schools, businesses, and landlords across London. Our operations are accredited by the Security Industry Authority (SIA) and National Security Inspectorate (NSI), ensuring compliance with rigorous industry standards. We adhere to BS EN ISO 9001:2015 quality management systems and maintain strict staff vetting procedures, including DBS checks and financial assessments.

Our team of fully trained, SIA-licensed officers provides 24/7 rapid response to intruder alarms, fire alarms, and emergency situations. We offer tailored security solutions, including vacant property inspections, school patrols, and contractor access management, while maintaining the London Living Wage commitment. Our services are competitively priced with flexible coverage options for both short-term and long-term needs.
Services
Keyholding Services Alarm Response Mobile Security Patrols Vacant Property Inspections Contractor Access Management Tenant Lock-Out Solutions School Security Patrols Business Lock-Down Services Sub-Contractor Services Emergency Escalation Support
Details
  • Year established: 1997
Highlights and features
  • 28 years of specialist security experience in London
  • SIA and NSI approved contractor status
  • 24/7 rapid response availability
  • Competitive pricing with flexible service options
  • 95% customer satisfaction rate
Associations and certifications
  • Security Industry Authority (SIA)
  • National Security Inspectorate (NSI)
  • SafeContractor
  • CHAS
  • BS EN ISO 9001:2015
What people say
24/7 availability Professional staff Competitive pricing Quick response times Secure services
Services
Keyholding Services
Secure key storage and management service for commercial properties. Keys stored in sealed pouches within secure facilities with biometric access controls. Full audit trail maintained for all key handling activities. Service includes regular customer information reviews and immediate response for emergency access requirements.
Alarm Response
24/7 rapid response to intruder and fire alarms. Direct communication with emergency services and on-site investigation by licensed officers. Detailed e-reports provided for all incidents. Specialised procedures for confirmed intrusions, false alarms, and fire safety checks.
Mobile Security Patrols
Customisable internal and external security patrols for schools and businesses. Frequency and duration adjusted according to threat levels. Includes physical security checks, system status verification, and maintenance of premises. Patrol schedules available 7 days a week with detailed reporting.
Vacant Property Inspections
Regular inspections of unoccupied commercial and residential properties. Comprehensive checks for security breaches, structural damage, and utility issues. Water systems flushed to prevent legionella. Detailed photographic reports emailed within 24 hours with monthly time-stamped records.
Contractor Access Management
Secure management of out-of-hours contractor access. Key collection and return procedures with full accountability. Supervised access for scheduled or emergency works. Integrated with customer alarm systems and emergency escalation protocols.
People
John Mayes
Director
Founded Security Keyholding in 1997 with extensive security industry experience. Leads operations across London with focus on quality standards and customer satisfaction. Committed to staff development and community safety initiatives.
Questions
What security services do you offer?
We provide keyholding, alarm response, mobile security patrols, vacant property inspections, and contractor access management services across London.
How does your alarm response system work?
Our 24/7 monitoring centre coordinates with emergency services and dispatches trained officers to investigate alarms, providing detailed e-reports for all incidents.
Which areas do you cover?
We serve all London boroughs including Bromley, Dartford, East London, South East, South West, and Central London postcodes.
Are your staff properly qualified?
All officers are SIA licensed, DBS checked, and trained to BS 7858:2019 standards with regular professional development.
What emergency services do you provide?
We offer 24/7 rapid response for intruder alarms, fire alarms, and emergency access requirements with immediate escalation procedures.