Opacc has been developing its own enterprise software platform in Switzerland since 1988. The core of the platform is Opacc OXAS, which provides all digital enterprise resources such as data, documents, functions, integrations, etc., centrally. On this basis, homogeneous, powerful and standardized applications are available: Opacc E RP, Opacc ERP MobileOffice (service, sales), Opacc Enterprise CRM and Opacc Enterprise Shop. Implementation and support of all applications is provided directly by Opacc. The guaranteed upgradeability to new versions has received multiple top ratings from ERP users in Switzerland, Germany and Austria. Opacc employs about 175 people in Rothenburg/LU, Münchenstein/BL and Nürnberg/DE.