I'm looking for a theme / plugin that works simillary to crowdestate.eu

I’m looking for a Wordpress theme or a Wordpress plugin that allows to create a structure that can be similar to this website:
In few words we would like to publish 10-15 real estate project and let to registered users to invest directly online on the website.
Do we have to create this from zero or do you know if exists something similar?
Thank you a lot for your help.