Video Editing Business website, i need help!

But i want to start a small online business where clients can make a account and have there own interface, where they can upload content directly to me(video footage) where i can download it edit the footage then upload it to there dashboard where they can take

the finished project.

If there is any services that provide what i need even if they cost money please link them.

and i made a 3000iq diagram to show kinda what i mean.