Osponso is an all-in-one sponsorship management platform whose mission is to help project owners (sport/culture event organisers, clubs, local authorities, high-level athletes, marketing agencies, etc.) to optimize their sponsorship revenues. This solution allows you to : - build and structure your sponsorship programme (definition of counterparts and partnership levels) - share your offer with prospects in a modern and efficient way - collaboratively manage the implementation of counterparts with your team members and your partners - report in real time on the commitments made in the sponsorship contract The web application is multilingual and is aimed at both solo project leaders (high-level sportsmen and women, ambassadors, content producers (podcasts), etc.) as well as to organisations running several projects simultaneously.