Accel Group Holdings Limited, an investment holding company, provides electrical and mechanical engineering services in Hong Kong. It engages in the supply, installation, and maintenance of mechanical ventilation and air-conditioning systems; drainage and water supply systems; swimming pool and fountain systems; and electrical and control systems, as well as smart electrical control solutions. The company also produces and sells disinfection spray equipment and accessories. In addition, it is involved in trading of construction materials; and recycling business. The company was founded in 2000 and is headquartered in Tsuen Wan, Hong Kong. Accel Group Holdings Limited is a subsidiary of Lightspeed Limited.