A&I System Co., Ltd. (A&I) is a solution service provider company. The company is principally engaged in providing system development, consulting and solutions services for financial institutions, government agencies, and other customers across a wide range of industries. Its principal services include business solutions, such as knowledge management, corporate information portal, and ERP solutions; industrial solutions such as human resource business, financial businesses and others; IT infrastructure solutions, such as internet data center, networking, and others; system development services; consulting services for financial sector such as computerization plans and practical information strategies. A&I operates as a subsidiary of LAC Holdings. It is headquartered in Tokyo, Japan.