App and website development

looking for an expert app and web development team for stock market-related content and process. We have a website and app.

details are here

Old website: https://streetgains.in/
Old App: https://play.google.com/store/apps/details?id=com.streetgains

New website: http://dev.streetgains.in/web/ ( Small corrections, UI/UX consultation required)
on this new website - we need a new app that should start from the scratch

The present app in React Native