Client and Mobile Client Apps for Development - repost

Hello, My company, Circle SZA Solution are looking for an avid engineer to develop a client based software which is similar like the function of this client; [login to view URL] We are using WEBDAV currently. We want the software to be able to run exactly the same function like the above said client, running in multi OS platforms and also can be compatible to be used in mobile client apps as well. You can build in together for mobile compatibility which can be run on Android, BlackBerry and others. Reason said that is because we want to have our own branding as we are running own software with that client. As such, we want to put in our company logo, product name and our wordings. As we are looking for serious contender, please bid precisely and do compare with the given link: [login to view URL] to compare and to ensure its compatible. As the owner later, we wanna have the source code and also the .exe files together in your package. Looking forward for reliable and sensible bidders. Thank You!