App similar to Caller ID with Backend implementaion

I want to make an app just like Truecaller and CIA (Caller Identification App) links of that apps is [login to view URL]?t=W251bGwsMSwxLDEsImNvbS50cnVlY2FsbGVyIl0. [login to view URL]?t=W251bGwsMSwxLDEsImNvbS5hZGFmZml4LmNpYS5nbGIuYW5kcm9pZCJd and the software should support for all platforms as it will be html5 based app. a)I am looking for a team who can provide me the frontend app which will be very simple as it will have less UI. b)Webservices exposed so that the data can be securely stored. c>Smart search on the Database to fetch data/records d>Security I want to have a demo if you can provide me or if you have already developed then provide me the link. Type IOS when replying . So its basically server implementation + front end , I have the domain and web hosting. Budget is constraint ... Also I want As soon as possible .