A consulting proposal is a document that outlines everything that you, as a consultant, would deliver for a potential project or client. Contact information is one of the most important elements to include in your consulting proposal.Get everything you need to know about writing a consulting proposal, including templates and examples to guarantee your success. Download consulting proposal templates for marketing, business, IT, and human resources. Includes real-world examples. A consulting proposal template should encompass every aspect of your value offering. Customize our templates to get proposals right and win more clients.