Gigasun AB (publ) is dedicated to the financing, ownership, and operational management of rooftop solar energy installations throughout China. The company has successfully deployed systems totaling 57.5 megawatts (MW) of capacity, catering to a diverse clientele of both private enterprises and public sector organizations. Formerly recognized as Advanced Soltech Sweden AB (publ), the company officially rebranded to Gigasun AB (publ) in February 2024. Founded in 2014, its corporate base remains in Stockholm, Sweden.