Multitenancy is a significant feature for software vendors who want to offer their customers a scalable, cost-effective, and competitive solution. It can provide substantial benefits in cost savings, maintenance, and customer experience, making it an essential element for the product strategy. Many software vendors face challenges when transferring their existing applications to a SaaS model. This is because the transition requires a significant shift in the design concept and often causes a surge of resources. Jmix brings developer teams a battle-proven architectural concept for multitenant applications with high-productivity tools. Implementing Jmix can help to overcome the difficulties of transferring existing applications to a SaaS.