Barter Transactions: Barter is the one-on-one exchange of a service or product with other country, vendor or person. This is differentiated as a one-on-one trading system. In organized trading or barter companies, one trade their service or product for trade credits (that is, a form of currency in that specific community) and can then extract service or product from the pool of accessible products and services which the community offers. Frequently, there are trade brokers who assist in finding what you are wanting, and salespeople which will enroll vendors that propose what you seek.