QL-TEKNIK LIMITED is an indigenous Nigerian company (formerly Quarts Solar Energy Systems) incorporated in 2000, now part of Multibase Group. Its headquarters is located at Plot 20 Umar Tela Street, Cadastral Zone 815, Sector Centre A, Jahi, Abuja, and the company works across infrastructure, renewable energy, technology, procurement and installation services. It is listed in NITDA’s directory of licensed IT providers (serial 832).