About Bit4

BIT4 Fire and Security has been established for over 10 years, we are a family run business based in the heart of the East Midlands in Calverton, Nottingham, serving Nottingham, Derby, Leicester and beyond.  The company’s ethos is honesty, value and service. We like to focus on the relationship between you and ourselves. To us you are not just another invoice number or client number. We aim to work with you, on the work you need doing.

We offer a one stop shop for installations, contract maintenance and emergency response of Fire Alarms, Intruder Alarms, Burglar Alarms, Access Control Systems, CCTV Systems, Electrical work and IT system management.

BIT4 is certified and approved to offer electrical services in domestic, commercial, and industrial environments. Our work is closely monitored by NAPIT (a UKAS accredited organisation committed to consumer safety) who ensure that the work we do is to a high standard and meets all electrical and building regulations.

Bit4 Fire and Security is certified and approved to offer CCTV, Intruder Alarms and Door Access control systems, to the relevant British and European standards. As we are monitored by the SSAIB, we are authorised to provide service and maintenance on systems with Police Response.

If you are looking for a service provider that is customer focused and relationship driven, then please give one of my team a call. We are more than happy to help you.


Luke Shaw

Managing Director.



Use an accredited company for Fire and Security Services

Bit4 are accredited by the SSAIB (Security Systems and Alarms Inspection Board) to offer intruder alarmscctv and access control systems. When choosing a company in Nottingham or the East Midlands for your security systems it is important to choose an accredited company.

SSAIB only certificate companies that can demonstrate technical and managerial competence through an inspection of the processes and procedures they operate.

“Highly recommended. Called them at 5 pm to enquire if they could fix an alarm going off – gave me 2 options – that night or the next morning. I chose that night – work completed by 8 pm. Very efficient, reliable and professional”