Expert Systems Holdings Limited, an investment holding company, provides information technology (IT) infrastructure solutions, IT infrastructure management services, and develops artificial intelligence (AI) products and services. It offers infrastructure and cloud products, such as system/server/storage, next gen/HCI, high performance computing, software defined data center, middleware, and application software products; cyber security and networking products, including data and cloud security, endpoint security, and networking products; application modernization products comprising AI, container orchestration, and DevOps products; and laptop/PC/workstation, printing/imaging, thin client, and mobility products. The company also provides IT life cycle; digital transformation; infrastructure solutions, such as capacity planning, virtualization, and backup and recovery; project management and deployment; maintenance and support; and consulting and application management services. In addition, it offers IT hardware maintenance, helpdesk, IT outsourcing and workflow automation services. The company serves corporate and institutional customers in Mainland China, Hong Kong, Macau, Singapore, and internationally. Expert Systems Holdings Limited was incorporated in 1985 and is headquartered in Kwun Tong, Hong Kong.