This case study details the collaboration between Visionet, a digital technology solutions company, and Hystax, focusing on the implementation of the OptScale platform for cloud cost management. Visionet, with over 25 years of experience, manages complex IT infrastructures across public clouds like Amazon Web Services and Microsoft Azure. The partnership aims to enhance service levels, customer satisfaction, and internal workflows. OptScale provides a comprehensive solution for cloud cost transparency, enabling Visionet to consolidate billing data from multiple cloud accounts into a single dashboard. The study outlines the main challenges Visionet faced, including the complexity of managing multiple cloud accounts and the need for effective cost analysis and optimization. It also presents the features of OptScale, such as cost anomaly detection, multi-tenancy support, and accurate expense forecasting. The results indicate significant improvements in IT resource management and cost efficiency for Visionet's clients, showcasing the effectiveness of the FinOps best practices implemented through OptScale.