I have over 16 years experience with crystal reports development. I have created, converted, and updated reports based on multiple database structures to include MS SQL Server, Oracle, MySQL, MS Access, MS Excel, and DBF files. I have deep experience with data reporting using sub-reports, crosstabs, grouping, summaries, variables, and all other Crystal functions and capabilities. I'm very familiar and experienced with updating or converting existing reports to various versions of Crystal Reports to be used as stand alone reports or within an application.
I have vast experience with all Crystal Reports versions (8.5, 9.0, XI, 2008, 2011, 2013, 2016)and also have most versions installed in my development environment. If you can provide a copy of any existing report files (saved with data if possible), the report requirements, and identified changes needed I can give you an accurate estimate of time to complete the reports. Any type of marked up template as an example report would also be useful as well.
From your description you need to consult on your project that you are evaluating. I would love to help you in this reporting project, and I am available immediately to work with you.