FullDepth is a Japanese industrial underwater drone manufacturer founded in 2014 that builds and sells domestically produced remotely operated vehicles (ROVs). In addition to hardware, the company offers underwater measurement and data analytics services to support infrastructure maintenance, offshore wind power, and other marine industries. Its platform aims to digitalize submerged assets by capturing and analyzing high-precision data, tackling Japan’s pressing need for efficient and safe underwater inspections. The firm seeks to alleviate labor shortages and safety risks associated with manual diving operations. Current priorities include boosting its data collection and analytics capabilities and widening the scope of its service offerings. With fresh capital, FullDepth will accelerate R&D on AI-driven autonomous underwater vehicles (AUVs) to enable automated, wide-area surveys. No revenue, customer, or other operating metrics were disclosed in the announcement.

Total raised

$6M

Funding rounds

1

Latest round

Series D

Latest activity

Dec 2025