Lesi Group Limited provides mobile advertising solutions services in the People’s Republic of China. It offers mobile advertising services, such as mobile marketing planning, traffic acquisition, ad delivery and optimization, campaign management, and ad distribution to customers for marketing of their brands, products, and services on media platforms, which includes search engine platforms, short video platforms, and social media platforms. The company was formerly known as Lesi Technology Holdings Limited. Lesi Group Limited was founded in 2015 and is headquartered in Beijing, the People’s Republic of China. The company operates as a subsidiary of Ka Lok Holdings Limited.