Skip to content
High Tech Series D Founded 2014

FullDepth

Manufacturer of industrial underwater drones and specialized aquatic inspection equipment. These remotely operated vehicles perform visual inspections, structural measurements, and water sampling in various aquatic environments. The equipment includes modular attachments such as sonar systems, cameras, laser measurement tools, and cleaning devices. Technical support, operator training, and maintenance services are…

📍 Tsukuba, Japan · Professional Service Robots,

Funding snapshot

Last roundSeries D
Amount$61M
Date10 December 2025
Total raised$64M

About

Manufacturer of industrial underwater drones and specialized aquatic inspection equipment. These remotely operated vehicles perform visual inspections, structural measurements, and water sampling in various aquatic environments. The equipment includes modular attachments such as sonar systems, cameras, laser measurement tools, and cleaning devices. Technical support, operator training, and maintenance services are provided to assist with the deployment and operation of these underwater systems. Founded in 2014, headquartered in Tsukuba, Japan. The company has raised $63.8M at the Series D stage backed by investors including Mitsui Sumitomo Insurance Venture Capital, Beyond Next Ventures, Drone Fund, Sumitomo Mitsui Financial Group, Mitsui Sumitomo Insurance. Operating in High Tech > Professional Service Robots, Aerospace.

Business model

Professional Service Robots > Maritime > Automated Underwater Vehicles,

Maritime Tech > Innovative Marine Vehicles > Unmanned

Institutional investors

Mitsui Sumitomo Insurance Venture Capital Beyond Next Ventures Drone Fund Sumitomo Mitsui Financial Group Mitsui Sumitomo Insurance Aozora Future Venture capital ZENRIN FUTURE PARTNERS JMTC Freebit Investment

Latest coverage

No articles yet.

Raising like FullDepth?

Analyze your pitch deck before your next raise.

Analyze My Deck →