PhotonStar LED Group plc is a leading British designer and manufacturer of intelligent lighting and intelligent building solutions.

Within the group are two divisions. PhotonStar LED Ltd. is an LED lighting fixtures businesses focussed on the new build market. PhotonStar technology Ltd. develops and produces the flagship technology – halcyon™ (retrofit building control & cloud based building management technology that leverages IoT to reduce operating costs for businesses); and advanced LED light engines. PhotonStar is based in Romsey, Hampshire with a manufacturing facility in Wales.