Case studies are one of the most effective marketing tools you can have at your disposal and for good reason. Instead of just talking about what your product or service does, case studies allow you to show potential clients why your product or service is useful and the positive experiences your past clients have had. When done right, a good case study is visual, engaging, and weaves a captivating narrative that embodies the value of your business. Below are some helpful brochure and flyer templates for creating impressive case study in PSD & InDesign file format to make your reader feel that you are an expert in their industry, understand their needs, and that your product or service makes their job easier.