HENNGE KK develops and distributes enterprise security and software solutions. The company is headquartered in Shibuya-Ku, Tokyo-To. The company went IPO on 2019-10-08. The HENNGE One business develops HENNGE One, which reduces security risks without compromising the convenience of cloud services for companies that introduce cloud services to improve business efficiency. The Professional Services and Others business develops email delivery package software that delivers large volumes of email securely at high speed. The Customers Mail Cloud is a cloud-based email delivery service that delivers large volumes of email at high speed to mobile phones, personal computers (PCs), and smartphones.