How to create a compelling case study Case studies can be powerful selling tools for B2B and SaaS brands. They give you an opportunity to show what your products or services can really do, how they work, and the long-term impact that happy customers get after the work is done. Strong, compelling case studies can set you apart from the competition and help potential customers understand what to expect when working with you. As an added bonus, they can also be optimized for SEO and provide you with plenty of original data that you can leverage as an expert in your field.