Sonardyne is a marine technology company specialising in underwater systems for offshore energy, maritime defence and ocean science. It designs, manufactures, services and supports subsea equipment used for navigation, positioning, communications, monitoring and data gathering. Its portfolio includes acoustic, inertial, optical and sonar technologies, as well as systems for marine robotics, asset integrity monitoring, mooring and release, and bespoke engineering. The company also provides repair, preventative maintenance and sensor calibration through global service centres, helping customers improve reliability, safety and performance in demanding subsea operations.