business proposal guide lines from wiki

[Darnell Peters]

Informally solicited business proposal

1. A description of the seller's capabilities or products
2. A discussion of key issues
3. A description of the buyer's specifications and how they will be met
4. The cost of the offering
5. A schedule for delivery of the products or services
6. Proof of prior experience i.e. Testimonials from previous customers, Descriptions of previous projects^[3]