Security Installations

Security Installations

Door Access

SEI have vast experience in access control systems and door entry security systems and we’re happy to recommend a suitable system from the many we regularly install.

Whether you wish to stop unwanted intruders slipping through your reception area unnoticed, or maybe you wish to restrict access to certain areas of a building, along with our specialist supplier we will be happy to advise the best product to suit your particular circumstances.

For timekeeping and payroll purposes, we have the product you need. Our access control systems/ door entry security systems can be push button, keypad coded, swipe card or operated using an electronic fob and scaled from single installations to major building systems incorporating multiple doors/ apartments.

Audio Entry Systems are a cost effective method of allowing you to identify your caller before you open the door to them.

Video Entry Systems are similar to Audio Entry Systems except you can see the identity of your caller before you open the door to them.

Card Entry Systems are an ideal way of controlling access in and around your building. Systems range from standalone to multiple readers controlled by a PC. Cards can be programmed to only allow access into authorised areas. Coded Entry Keypads are a cost effective method of allowing access through a single door. Codes can be periodically changed to enhance your security.

DDA Systems door entry panels and systems are designed to meet the requirements of the Disability Discrimination Act (DDA). Whatever your needs, from large security access control systems to minor door entry systems, SEI offer the highest standards of care and equipment, giving you peace of mind for security.


SEI have been installing, supporting and maintaining business CCTV and other security systems in the UK for over twenty years. In that time, CCTV surveillance systems have become increasingly sophisticated and been adopted as a core technology for security, access management and staff protection.

Today CCTV surveillance systems are protecting businesses across almost every industry sector. Each had uniquely designed to suit the particular businesses security requirements, premises and activities. Each not only providing internal and external security but also helping organisations to protect themselves against increasing incidence of health and safety claims from employees, clients and the public.