In the article we describe various methodologies considered for company performance assessment – such as Sustainability Assessment of Food and Agriculture systems (SAFA) by the Food and Agriculture Organization (FAO) and other standardized reporting frameworks. We analyse and consider common characteristics of the used performance indicators. We further examine different properties of the defined key performance indicators and additional performance indicators in order to propose a data model for a generic information system. The proposed data model aims to be reusable for different performance assessment methodologies. We introduce several abstractions of the assessment methodologies on the level of performance indicators and report outputs. It is important to allow the organization to use the same data in several different reports and simplify and speed-up the reporting process. The resulting core data model of the information system is described in the article, along with a brief description of the implemented prototype system.