Prior to the proposal due date, any firm or individual desiring to provide professional consulting services to Palm Beach County (including. A consulting proposal is a document that outlines the nature, scope, and timeline of a specific consulting project.An external consulting proposal template, like the one included in this guide, can help you get started in the proposal process. It can be completely edited and customized the way you like it best. A consulting proposal template should encompass every aspect of your value offering. Customize our templates to get proposals right and win more clients. Without any deviation means that nothing in the template is changed other than filling in names, prices, dates, etc. In the appropriate space provided therefor.