A business development unit will seek to expand a company in the following ways: Understanding and observing their consumers, developing key alliances to support future company development, and examining their current markets and potential expansion possibilities. Business development services are critical because they can help entrepreneurs run their businesses more effectively. When used properly, they can act as a facilitator of access to finance and an alternative form of “collateral” in situations where tangible collateral is required. The following are the top five most essential business development services.