The Unison Membership System (Unison) is a comprehensive, effective and user-friendly system for the management of membership organisations such as industrial and employer associations, trade unions and clubs.

The software is a suite of fully integrated modules that provide a complete and flexible solution for the management and administration and maintenance of member registries along with facilities to quickly and efficiently monitor the financial status of members, member activities, member correspondence, training accreditation and course management and event management.