Cloud Computing has led companies to rely on remote services instead of build-up their own datacenters. Nowadays many companies are switching to multi-cloud environments to be able to apply a methodological and technical approach to use various cloud based services in a coherent and integrated modality. However, the bigger is the company, the harder it is to control cloud costs. An innovative approach that can solve this problem is FinOps: a methodology which introduces financial practices and experts into Development and Operational teams. This thesis work will focus on researching the limitations of FinOps in its current state, developing new proactive and reactive processes that can extend the FinOps practices into the Infrastructure as Code (IaC) approach.