The core activity of the company "Bürodienste Christine GmbH" is the provision of services related to real estate and SME accounting, as well as SAP-REFX. Specifically, this includes: Real estate management: property accounting, heating and ancillary cost accounting, process improvement, data implementation; SAP-REFX: ensuring high data consistency and availability, further development of data management, creation and provision of reports, representation of interests in IT projects; SMEs: financial accounting, accounts receivable, accounts payable, office organization, data collection and maintenance; SAP-PS and SAP-FI: support in the implementation and use of these systems.