This white paper discusses the implications of open banking for corporate and small to medium enterprises (SMEs). It outlines the challenges faced by corporate banking, including the complexity of products and processes, and the lower levels of digitization compared to retail banking. The paper highlights the need for banks to provide a contextual user experience and personalized products to meet the demands of modern corporate treasurers. It presents the benefits of open banking, emphasizing how it can enhance the banking experience for SMEs by providing access to services previously reserved for larger corporates. The document details various innovative use cases and the role of fintechs in capturing market share. It also discusses the regulatory frameworks being established to promote competition and innovation in the sector. The conclusion indicates that open banking has the potential to transform the SME segment significantly, enabling a more integrated financial management experience through advanced technology and data utilization.