Within LIFE RIPARIAS, there is a need for one or more field management registration systems that is fit for a variety of actors and species. Such a system should capture sufficient data to allow the evaluation of the cost-effectiveness of management actions and to perform the reporting to the EU for the Regulation. This project deliverable is a business analysis to explore and describe management registration systems of both LIFE RIPARIAS partners and other actors active in IAS management (regions, provinces, local authorities, NGOs). Based on this, potential solutions are qualitatively suggested. The analysis consists out of the following parts: Part I gives an overview of the different field management registration tools currently used within the LIFE RIPARIAS study area. Part II defines the needs of field managers towards registration of IAS. Part III compares field management registration software that are available on the market. Part IV explores the barriers to sharing data and investigates potential ... : This work was funded under the European Commission LIFE programme (LIFE19 NAT/BE/000953). ...