Hiworks is a social network service for business to better communication and cooperation within an organization. It provides a set of great communication tools such Email, BBS, Messenger, and Electronic Approval. You can also access to Contact, Calendar, Electronic bill, and Web Hard. Everything you need to better your organization is in one place, Hiworks. Sign Up Today. With Hiworks Messenger, you can engage in conversation with your colleagues and friends on mobile. Carry on a conversation