A method of facilitating broker mediated matching of a potential buyer of a spare part with a potential seller of the spare part, the potential seller having an inventory of spare parts for use in a manufacturing process run by the potential seller, the method comprising the following steps undertaken by the broker: (a) receiving a request for the spare part from a potential buyer, (b) enquiring with a potential seller as to the presence of the spare part in its inventory, (c) if the spare part is present, assessing whether or not the spare part is excess to the foreseeable needs of the potential seller in running the manufacturing process efficiently by the application of software that presents a series of questions for answering by the potential seller, the answers to which will reveal whether or not the spare part is excess to said needs, and (d) if the spare part is excess to said needs, providing means by which the potential seller and potential buyer will communicate with each other, whereby they may finalise details for securing the sale and transfer of the spare part.