In the modern business environment, where uncertainty and change are everyday, proper planning and management play a key role in achieving business goals. This paper focuses on the analysis of the planning function within management, with a special emphasis on CIAK Group, one of the leading companies in the region specializing in the distribution of auto parts and ecological waste management. Through an in-depth interview with the deputy regional manager of the CIAK Group, the paper explores concrete examples of the implementation of the planning function, including the opening of a new branch in Sinj. This process includes multiple aspects, such as market analysis, logistical preparations and identification of key resources needed for success. It also emphasizes the importance of strategic, tactical and operational planning in ensuring sustainable growth and adaptation to changing market conditions. Finally, the paper underlines the importance of continuous human resource planning as a key element for achieving higher levels of productivity and employee satisfaction, which further contributes to the success of the organization. In the context of CIAK Group, efficient planning enables the company to cope with challenges and make the most of new opportunities that appear on the market.