Information Soken Co., Ltd. is a Japanese IT services company that supports businesses throughout the lifecycle of their core systems, from consulting and design to development, operation, and ongoing improvement. It works with clients to address operational challenges and provides solutions tailored to their needs, drawing on experience across legacy systems, cloud technologies, and AI applications. Its services include systems consulting, contract development, systems maintenance and operations, and infrastructure support. The company also helps organizations build secure, efficient, and scalable environments using cloud platforms such as AWS and Azure.

For the hospitality industry, Information Soken offers FlexIN, a self-check-in system designed to make guest arrival convenient and cost-effective, and FlexReport, a cleaning management system for accommodation facilities. Its package and tool solutions support electronic data interchange and connections between business systems, including implementation assistance for data integration products and no-code data transformation tools. The company also provides security implementation services.