The ISO 9001 2015 standard suggests that many types of processes may be necessary to satisfy its requirements including:
One of the main intents (and results) of employing well-constructed processes is to unify the working of the organization across vertical functions (also called “silos”). These may not always have the end goal of customer satisfaction as an internal priority. By exposing and documenting specific end-to-end process interaction, a higher order result can be achieved by proper management techniques (i.e. training, measurement, incentives/rewards, etc.)
