John Trubshaw was a distinguished London clock dealer active in the late 17th century. Apprenticed to Robert Halstead and admitted to the Clockmakers’ Company in 1686, Trubshaw became known for supplying high-quality clocks to discerning clients. Although many clocks bore his name, he was primarily a respected dealer—sourcing finely made movements and elegant cases from leading craftsmen of his era. Operating during a time of rapid horological innovation, Trubshaw’s reputation rested on his discerning eye for excellence and his commitment to customer satisfaction, making him a trusted figure in London’s vibrant clock trade.