Do not hesitate to contact us with any query.

National Hotlines:

0800 917 1441
0151 920 6912

Office Fax:

0844 589 6912

Please click here

Alternatively, use our contact form to get in touch. All installations that originate from a website enquiry will result in a 5% deduction on the installation charge.

Mr G.J. Williams & Mrs A.E. Williams T/A Crosby Intruder Alarms.

Office Opening Hours:

We are open Monday – Friday from 09:00 hours to 17:00 hours.*

If you call out of office hours an answer phone will be on, please leave a message and a contact telephone number and a member of our team will get back to you on the next working day.

If your call is an emergency please call the emergency numbers that are stated on our answer phone. Please note a call out charge will be charged for non-maintained customers if you require an engineer to visit.

*Please note the office will be closed on Bank Holidays and over the Christmas and New Year break.


20 Endbutt Lane,
Crosby, Liverpool, L23 OTR