Agresso is a mid-market enterprise resource planning (ERP) company and one of the top five providers of ERP solutions for Professional Services and Public Sector organisations. Agresso Business World has a unique design that makes adapting to change easy, without external help – so users never outgrow the system. Agresso is part of the Unit 4 Agresso group, based in the Netherlands, with 3,500 staff across 19 countries.