Since the foundation of the ocean survey technology in 1999, UST21 has been growing as a global company leading the international standards of the ocean data beyond South Korea through developing new technologies.

We're your go-to experts, pushing the boundaries of underwater technology. Our dedicated team of enthusiasts develops solutions that revolutionize the way we explore beneath the water's surface.  By combining data collection and analysis, we help our clients build and run their assets safely, sustainably, and efficiently.

UST21

Org chart

Teams

Offices