A Software to compare Data

Hello, I need a software which can compare 2 different sourced data, Basics of the application is, - to parse data from csv files (but virtual field macthing is requed - like user can select first columb for product or brand) - a matching algoritim will match data (I will provide detail process steps in coding phase) - a reporting tool for results Can you send me about cost and your process for this kind software. Best Regards, Ashish, Please contact me as soon as possible.