Underwater Technology is a specialist directory and information resource focused on subsea systems, marine robotics, surveying, and aquaculture. It connects users with 271 suppliers across 28 countries and 34 capabilities, covering the companies that design, build, operate, maintain, and support equipment used underwater. Its directory includes equipment manufacturers, vehicle and robotics developers, survey contractors, subsea intervention and diving services, vessel operators, systems integrators, software providers, rental firms, engineering consultancies, testing facilities, training providers, research institutes, and distributors.

The site helps visitors explore suppliers by company type, segment, and map, making it easier to identify organizations and capabilities across the subsea sector. Its technical coverage explains how underwater technologies and operations work, with topics including AUVs and ROVs, subsea positioning, seabed mapping, deep-sea exploration, and aquaculture systems. Articles address developments such as electric work-class and resident ROVs, as well as the practical use of artificial intelligence in deep-sea work. Underwater Technology serves industry professionals and other readers seeking both a structured view of the supplier landscape and accessible technical insight.