OTAQ plc, together with its subsidiaries, designs, develops, provides, and supports marine technology products for aquaculture, and offshore oil and gas industries in the United Kingdom and rest of Europe, Chile, Asia, North America, and internationally. It offers acoustic systems to deter seals and sea lions in a range of underwater situations; rents and sells underwater measurement and leak detection devices; and manufactures, markets, and supplies underwater communication. The company markets, manufactures, and sells geo tracking devices. In addition, it provides subsea leak and cement returns detection systems; underwater lasers for measurement, survey, and inspection; and underwater connectivity hubs. Further, the company engages in fish farm security related activities. OTAQ plc is based in Lancaster, the United Kingdom.