Business Proposals use to expand our business with new bonds and relationships. This also a document but differ from a business plan. This should address specific problem, then need to suggest better solution which explain you’re the best to solve this matter. Generally, organization uses this type of business proposal when you are introducing new product or service to the perspective client. Accordingly, this document usees in complex sales processes. Major types of business proposal in use namely Formal Proposal, Unsolicited Proposal, Solicited Proposal and supplemental proposal etc.