A system and method for creating, executing and managing processes of cross-enterprise businesses using nano server architecture, is disclosed herein. A process store tool (e.g., a graphical interface visual tool) at the end-user (such as, a business entity or an individual process developer) provides an open, flexible workflow engine for supporting the creation and enforcement of at least one business process with respect to the end user. A cluster having at least one nano server (also referred as ‘lean server’) configured within a data centre for storing, executing and managing processes with respect to the end user within the cloud environment. The nano servers of the cluster are the micro app servers with a small memory foot print consuming minimal resources. The nano servers are multi-threaded processes which houses the services that is consumed by the end user.