Profile: D & A Systems Ltd. provides electrical and specialist services to industry & commerce. We offer a diverse range of engineering services which include electrical engineering services, electrical testing and inspection, high voltage maintenance, quality power management and CCTV & access control systems. Our electrical engineering services include project management, design & build projects. We specialize in the design, installation, testing, commissioning, and maintenance of packaged substations, distribution systems, earthing systems, cabling containment systems, mains & power distribution, lightning protection and fire alarm systems.