GrandTech Cloud Services Inc. engages in the operation, sale, and maintenance public cloud service software, network communication, and information security products in Taiwan, Hong Kong, Macau, and Japan. It offers Armin, a multi-cloud business operations platform; and AWS solutions, such as real-time accounting systems and cloud services, as well as product services and business strategy advice. The company also provides cloud integration, and technical and management consulting services; and system architecture design, planning, sale, installation, engineering, and maintenance of software, network security products, and others. In addition, it is involved in the wholesale of electronic materials and equipment. The company was incorporated in 2017 and is headquartered in Taipei, Taiwan.