How to Write an Absolutely Irresistible Business Proposal

http://www.wikihow.com/Write-an-Absolutely-Irresistible-Business-Proposal
Find out about your potential partner by talking to them, reading their mission statement and researching them – as well as learning how they make decisions. This will reveal the "buttons" that you’ll need to press as you describe the benefits of the partnership (ie. more profits, something new to offer their clients, giving their business a new edge on competition, etc.).