An effective proposal letter helps to achieve many things if framed properly. It helps in increasing customer base, closing a deal, earning more revenue, etc. Are you worried about how to properly frame a proposal letter template, so we have come up with sample proposal templates that are easily available and help to kick start your project as these are fully reliable? We also provide insights on how to pitch your idea to a client, department, etc. We have all this available in various file formats like MS word, Apple pages, Indesign, and Google docs.