Interphone has an unrivalled understanding of building security and automation technologies, providing design, installation and maintenance services for the commercial residential marketplace. Interphone's management and control solutions combine a wide range of building systems including access control, CCTV, gates and barriers, distributed television, fire and emergency detection, LED lighting, door entry, concierge and property management.

Unitrust Protection Services is able to supply a one-stop security service for all types of security requirements. Its main service provision is manned guarding to corporate entities including some of the largest pharmaceutical companies in the UK. We also provide services to hotels, embassies, private estates, property management companies, telecommunication companies, chartered royal societies, and AGM's.

ZimCos Ltd provides installation and maintenance of CCTV, access control security equipments.