Controlling describes a business management instrument that includes the planning, management, and monitoring of business processes. Various methods and techniques are used in controlling, such as:

• cost accounting,
• financial analysis,
• ratio analysis and
• process analysis.

Its goal is to optimize the performance and efficiency of a company and to be able to make decisions based on data, ultimately increasing profitability. Controlling plays an important role in companies of all sizes and industries and serves to secure long-term success.