» For a publishing house, associated with the name of Leo Tolstoy see Intermediary (publisher)An intermediary's a third party that offers intermediation services between two trading parties. The intermediary acts as a conduit for goods or services offered by a supplier to a consumer. Typically the intermediary offer some added value to the transaction that may not be possible by direct trading. Common usage includes the financial services industry where financial advisers offer intermediation… (More on Intermediary)