Car Alarms Leigh-on-sea, Southend - Welcome to the Leigh-on-sea Car Alarms Directory listing recommended car alarm installers in Leigh-on-sea. It lists those who offer car security systems and car alarms in Leigh-on-sea, Southend. Do you have a Leigh-on-sea car alarm business? If so, why not advertise it on the Leigh-on-sea Business Directory - IT'S FREE.