CMS Project Management system

I need someone to develop a project program management system on Trello the system needs to manage three or four different suppliers who are designing building tendering a number of different building projects. based on the following user requirements System needs to operate based on existing agreed process(s) roles, responsibilities, deliverables and stage gates System must be visible to all stakeholders so they can view and update as required. All projects must be viewable by all stakeholders on one Kanban type board showing where in the process they are as well as status and SLA compliance At the highest level Each project will be self-contained and represented as a ‘card/ticket’ on the Kanban board Stakeholders who are responsible for the deliverables are to be held responsible and accountable for updating the system and ensuring hand over of all deliverables to the next in the process The System must retain all documentation, correspondences, photos, BoQ, drawings and any other related project documentation as an audit check System must be capable of carrying correspondence traffic, emails etc so all project info is in one place (one version of the truth) System must be capable of syncing with each stakeholders calendar /task list so alarms can be set System must be capable of measuring and reporting on SLA compliance System must be capable of sending alerts to financial person for billing (CMS only) at appropriate stage gates Reporting must be configurable and then as automated as possible