Cloning of an add - in in Excel

Would like to clone a sample excel add-in project (VSTO). 100% code and the installation script delivered to make it distributable. There are web based licensing components which need to be cloned as well. Specifics will be provided to shortlisted bidders ( who include samples/references of their work) Turnaround time is three to four weeks from commencement. Payment is on 100% successful completion and running of add in bug free for at least a month - NO MILESTONES