SiS Ltd provide 24/7 service to alarm and security systems. Even if you are a new customer to us we can repair all types of Alarm system, CCTV, Fire alarm etc and provide replacement parts.

When you book a repair with us

    • Provide us with information regarding current system installed. I.E Manufacture and model number/name.
    • We offer a specific time in most occasions for your booking of an engineer to attend.
    • Any parts we replace come with 1 years minimum Guarantee.

Maintenance Cover

We offer maintenance cover for systems we have installed as well as existing systems company. (Subject to service history)

All Maintenance contracts are subject to your system being to a minimum standard which we will ascertain by booking you in and an engineer checking your system.

All systems we have installed come with Comprehensive Maintenance cover as standard. ( Parts, Labour, Callouts, Servicing and Technical support cover )

Systems taken over from previous security company receive Basic Maintenance cover. (Labour, Callouts, Servicing and Technical support cover)


With security system maintenance and repair from SiS Ltd you can be assured of complete peace of mind.

Call us today on 0800 996 1740

To book an appointment to see one of our consultants. It’s free and there’s no obligation.
Book Appointment