Commercial electrical services We provide electrical services for companies in the South East within the commercial sector. Redman Howard offer a fast professional service, see below for commercial electrical services covered. Our specialist commercial areas include:Block management maintenanceNew installationsUpgradesComputer network/data cablingFire alarm installation & testingEmergency lighting installation & testingExternal flood lightingMaintenance & support contractingExtra sockets and lights DomesticRead more about our domestic work. IndustrialRead more about out industrial work.