Why do we need closed loop in sales process? Continuous improvement is a well-known metaphor for sales effectiveness, but implementation in B2B sales has not been done due to the lack of a structured approach. Now this structure IoC stack is established, and, consequently, B2B companies (from self-employed to large corporates) as well as related service providers (=consultants) and technology vendors (CRM) can adapt it in daily business. Closed loop is a strategic and long standing competitive advantage for B2B companies... Enabled by rapid development of Artificial Intelligence (AI) and Business Intelligence (BI) tools, Internet of Competition can be seen as a glue between quality and sales methods. Especially focus on Win Rate and usage of Lean Six Sigma methods to institutionalise data driven sales optimisation bring the best outcome with substantial potential for growth. Instead of being opposite forces, they start to complement each other, providing thus additional value to..