Your first requirement deals with feasiblity study and impact analysis on products which are built on top of SharePoint. I have 5+ years of experience in SharePoint integration and providing RFP's, POC's, implementation, deployment guides and governance documents .
Few of the products I have worked:
1) SharePoint - Documentum integration using First Doc SPX
2) SharePoint - SAP integraion using Sitrion
3) SharePoint reporting using Cardiolog
4) Sharepoint administration using DocAve AvePoint
Based on the requirements, timelines can be negotiable.