TRUSTED TRADER anglilicism by reliable trading agent, person or company that on behalf of a third party makes trade negotiations in another country, export or import . Today the concept has been extended because there are companies that are dedicated to finding professionals, technicians, craftsmen and anything, that are reliable, even in the same city of the plaintiff. The responsibility for being reliable puts her in another company that seeks for example, the best electrician, plumber or ceramicist in the place.