We will tailor our service maintenance packages to suit our client’s needs and are available 24 hours a day to all of our contracted sites. We will also carry out design and installation of any size system to BS 5839. GDT are a small company and our reputation is important to us. Ask our customers. A good service by polite engineers does not happen by accident. We know cost is important too. GDT Fire Alarms Ltd have been established since 1992. We are a small company that takes pride in getting to know our customers and their needs. GDT specialise in service, Installation and maintenance of all types of Fire Alarms Systems, Emergency Lighting & Extinguishers through our highly trained professional engineers. We will tailor our service maintenance packages to suit our client’s needs and are available 24 hours a day to all of our contracted sites. We will also carry out design and installation of any size system to BS 5839.