Subject of investigation – management of information and knowledge in the organization JSC „Rūta“. Purpose of work – identification of the usefulness of knowledge and information system for organization‘s management solutions and preparation of the model of the management process. The following tasks have to be solved in order to achieve the purpose of work: • to explain the essence and usefulness of information; • to analyze the usefulness of information and knowledge to the management decision making in the organization; • to prepare the model of the organization information and knowledge management. Methods of investigation. The methods of systematic analysis and synthesis, logical analysis, comparing of results, grouping, graphic portrayal, expert evaluation of the necessity and usefulness of information needs and usefulness, simulation were used to get theoretical results and investigate selected problem. Concepts of information and knowledge are described and analyzed in the work as well as their influence to the activities of the organization. Information system of JSC „Rūta“ is investigated in the work. After the survey of employees and analysis of theoretical material the model of marketing information and knowledge management is created.