Business analysis is the set of tasks, knowledge, and techniques required to identify business needs and determine solutions to business problems. Solutions often include systems development component, but may also consist of process improvement or organizational change.Practical custom software development experience shows that the key to the successful project is well specified requirements and system design documentation. (wikipedia)
PNN proposes special business analyses service dedicated to make well defined software requirements specification and software design description.
The proposed service could be combined with software development or be realized as an independent solution.