future film budget

set up a production company/office. imagine you have just secured your future film budget.
1. what next? working as a group research how to set up a film production company and production office
what are your legal and tax obligations?
what government subsidies are are available to pty limited companies(rather than individuals or business names)
what is your schedule for this very early preproduction period? what are the costs associated with this first part of the venture?
when do you stop working from home and move to dedicated premises? should you invest on equipments or you will hire? what is the environment impact of your production? can you take steps to reduce the productions carbon footprint?