MSS Data AB is a leading provider of simple and efficient accounting systems for small and medium-sized businesses and organizations. Established in 1985, MSS Data has a rich history of developing innovative solutions in the PC environment. With their flagship product, Bokhållaren, they introduced a comprehensive administrative system in 1986, comprising modules such as Bookkeeping, Orders, Inventory, Invoicing, and Customer/Supplier Ledger.

Bokhållaren is distributed and sold through various channels across Sweden. MSS Data has also developed MSS-Bilverkstad, an administrative system specially designed for independent car repair shops. MSS Data AB is a spinoff from the venture capital company Traction AB and is affiliated with other development companies like Management Materials Pilot AB, Advox AB, Kompetenslag1 AB, Traction AB, and more.

With over 2100 licenses delivered since the late 80s, MSS Data continues to serve nearly 300 customers, offering them reliable and efficient solutions to meet their accounting needs