TSS Prime

TSS Prime builds Prime, a flexible enterprise resource planning (ERP) software system. Its Prime Seurakunta module is designed for parishes, covering internal work planning, information management, service and mobile use, and integration with the Kirkkohallitus (Church Board) systems through Kirkkoverkko. The company also offers Prime for other public-sector and private organisations, covering resource booking, invoicing, ERP functions and electronic service channels such as appointment booking.

Its customers are parishes and public-sector organisations, along with private and third-party sector organisations from various industries that use Prime for resource booking and resource management.

TSS Prime Oy is registered in Helsinki, Finland, and was founded on 30 November 2020. The company describes itself as a Finnish software company focused on information systems for parishes and the public sector. The website lists recent training and events, including a Seurakuntaforum 2026 event in Hämeenlinna.

Product: Prime, a modular ERP and resource management software with parish and public-sector editions, mobile use and electronic service channels.