The article discusses how modern tools for management accounting can help increase the total value of a business. It explains how these tools have evolved to meet the needs of today's market conditions. In Ukraine, management accounting is often overlooked, leading to reliance on inadequate analytical data. The article introduces new tools like business value estimation to improve management accounting and support value-based management. These tools, such as e-document flow, cost-oriented controlling, and forecasting, help identify and address factors that can negatively impact a company's value.