Formed in 1990, Neptune is now a leading company in underwater transducer technology, offering one of the world’s largest and most comprehensive range of undersea defence and commercial transducers. Based in the UK, our research and manufacturing operation is located on a 25-acre site in East Yorkshire. With a 60,000 square metre trials lake and a floating calibration laboratory, the site provides an extensive range of facilities supporting every aspect of acoustic transducer development from modelling and design to final product acceptance.