020 8621 6000 Log a call Email home who we are what we do product areas news events get in touch Amazon key for business Read more Home building security systems tv and media maintenance services welcome to Interphone Interphone Limited is a security systems and building technology integrator providing design, installation and maintenance services for multi-unit residential estates and commercial property. With more than 60 years of experience, Interphone is ideally-placed to overcome the unique challenges faced by managing agents, house builders, property developers, construction contractors, facilities managers and residents, delivering upgrades and complete installations for retrofit and new build developments. Having established long-standing relationships within the development, property management, and specifier communities, our solutions have been fitted in many large and prestigious buildings across the UK. Interphone delivers upgrades and complete installations for retrofit and new build developments and also provides advanced home automation, AV and entertainment systems through its dedicated division Ingeny. Latest News and Events Interphone teams up with amazon key for business Interphone teams up with amazon key for business to streamline amazon deliveries to commercial residential properties Read More Interphone celebrates 60th anniversary Interphone, the security systems and building technology integrator for multi-unit residential estates and commercial property, is celebrating its... Read More CPD Health & Safety and Fire Safety Awareness Training Seminar Supported by specialist consultants Safety Delivery Limited, join us at our practical learning session to help understand the legal aspects involved heath and fire safety. Read More building security systems tv and media maintenance services Copyright © 2021 All Rights Reserved Interphone Limited. Site by Digital Island Interphone Limited 12 – 22 Herga Road, Harrow, Middlesex, HA3 5AS | T: 020 8621 6000 | F: 020 8621 6100 Registered in England No. 00692333 Registered Office: 5th Floor, Leconfield House, Curzon Street, London, W1J 5JA privacy statement cookie statement sales@interphone.co.uk