Hall & Kay is the UK’s largest fully accredited independent Integrated Security and Fire Suppression company with over 300 staff and 500+ approved subcontractors spread throughout the regions and across EMEA, we bring advanced product technology, the highest standard of professional expertise and service to the core of our business and our one team approach enables us to achieve engineering excellence every time. We work closely with new and existing clients to manage all aspects of a project, including design, management, installation, commissioning, staff training, and ongoing service and maintenance.

Our team of installation engineers are trained to the highest standards, and supported by specialist service, maintenance and technical support engineers who are on hand 24 hours a day, 365 days a year. Offering accurate remote diagnosis and rapid response to all queries.

The business was acquired by Hall & Kay in 2018 as our focus aligns with their ethos of customer satisfactions.

At Hall & Kay Security Engineering we are consultants, designers, installers and maintainers of all forms of Integrated Security and protection systems and we always work in accordance with the highest industry standards as set out by the police, fire and rescue services, and insurance providers.

At Hall & Kay Security Engineering we are brand independent and we will only ever advise on the very best systems and equipment to match your needs.

Our company philosophy is to utilise high quality components in our designs, that are tailored to a client’s specific requirements, and which are underpinned by the latest developments in Security engineering technology.

Delivering high quality service and reliable results every time, Hall & Kay Security Engineering will keep your business safe and secure.

We are proud to recognise the service of our Armed Forces, and have signed the Armed Forces Covenant.  We are also a Forces Friendly Employer and have the Bronze Award from the Defence Employer Recognition Scheme.


                                                                                                                                                                                                 Quality service since 1878

What We Do


All of our design is managed in house so can be carried out from our offices as well as on site for specific projects. Read more…


Hall & Kay provide security systems to a range of clients from residential to commercial.

  • Retail
  • Industrial
  • Commercial
  • Residential
  • Educational
  • Data Centres

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Hall and Kay provide a range of maintenance contracts which reflect the requirements of each installation. Read more…

HK Security London

Services Include…

  • CCTV
  • Access Control
  • Biometrics
  • Intercoms (Video & Audio Entry)
  • Intruder Detection & Monitoring
  • Control Room Design & Build
  • Integrated solutions & PSIMs
  • Video Analytics
  • Thermal Imaging
  • Barriers Blockers & Physical
  • Safes & Locks
  • Security Audit & Risk Assessment
  • Keyholding & Response
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