Build Business listing app (2000+) Fast frontend, no lag. Node. Js, react, database (Andriod+IOS)

I need a business listing app in my area which lets the user click to message the business direclty or via link takes them to the business Website. There is 2000+ business thats to be listed on the app and to be hosted with a database. 50gb of storage. It has to have popup adds with those companies specials etc which is also linked to their adress via google maps