You need a full project proposal with financials. It should be shown to be profitable in economic terms. I add operational ease to these needs as difficult new ventures have doubtful success outcomes.
I have done multicrore development projects for Unilever plantations when I was witb them. I have project proposals on power sector carbon saving for Australian client who (I was told) wanted this for Australian government. I have done other commercial (not just academic for some degree requirements) proposals recently for an Australian client. I can send you copy of one of th latest for your evaluation of my ability. I have also done academic proposals in addition.
The quality of my work is evident as I get repeated work from my UK and Australian clients and they have increased my remuneration on their own for my quality of work more often compelted before time rather than just promptly.
As I have just started testing Frrelance,com I this is my first project in this site. But I hope, the above evidences are enough to prove my competence in doing project proposal works.