Renewaball, based in Amsterdam, shows strong potential with its innovative approach to manufacturing sustainable tennis and padel balls. By focusing on circular production processes, the company reduces environmental waste and resource depletion, addressing a critical issue in the sports industry. Their B2B model allows them to partner with clubs and organizations prioritizing sustainability. Supported by Rubio Impact Ventures, Renewaball is well-positioned to capitalize on growing demand for eco-friendly products and sustainable practices in sports tech.