Frequently Asked Questions​

About OnCall

10 FAQs

Can you just send me an email?

Last Updated: 16 April 2026

Yes, we can send you an email with an estimate, but you’ll need to give us an idea of what you want first… We can provide advice on what home security solution will best fit your needs over the phone, we can visit your property and provide a professional survey, or you can use our...

Where is On Call based?

Last Updated: 1 September 2025

Our main office is based in Wolverhampton in the West Midlands, but we also have offices in the North and South of England.

How many installation engineers do you have?

Last Updated: 30 April 2026

We have over 30+ engineers who fit alarms and 8 professional advisers who visit customers to provide surveys and advice.

Do you cover my area?

Last Updated: 30 April 2026

We cover the whole of the UK mainland with a large team of experienced engineers, so the likelihood is that we’ll have an assessor or an installation engineer close-by. We have over 20,000 customers across the UK who already have Home Security systems fitted and supported by us, and our technical support services are national,...

Are your staff friendly?

Last Updated: 30 April 2026

All our staff are super friendly and appreciate we have lots of customers who know exactly what they want, many who would like some advice and inevitably more people than we’d like who are upset and need some reassurance. We provide an easy to understand product range and super responsive service team to take care...

Is your system designed by On Call?

Last Updated: 30 April 2026

Yes, our latest system is designed by us based on years of experience to offer the easiest user features and the best reliability. We also introduce new technologies as soon as they are proven to work well and offer easy to organise upgrades whenever this happens.

How many customers do you have?

Last Updated: 30 April 2026

We have over 20,000 customers who have systems fitted by us and supported by us, with a large number of both alarm systems and CCTV, however our flexible systems also support smoke detectors and different camera options.

What systems do you offer?

Last Updated: 30 April 2026

We offer home security systems (alarm systems that also include internal and external Wi-Fi cameras) and standalone CCTV systems to the domestic mainland UK market. We tend not to serve commercial customers as they require different types of cameras and control hardware with integration into other systems such as access control for large numbers of...

How soon can a system be installed?

Last Updated: 30 April 2026

The quick answer is that we have a large number of installation engineers covering the whole of mainland UK and modern wireless systems don’t require holes to be drilled in walls or floorboards to be taken up anymore, so are relatively quick to fit.As soon as you have completed your order we’ll book your installation....

Do you cover the whole of the UK?

Last Updated: 30 April 2026

We currently cover the whole of the UK mainland; however, we do have plans to extend our services.

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