Sources : https://www.waterlinked.com/about

In the high-stakes push to digitize the world’s oceans, the ultimate bottleneck has always been physics. Traditional GPS and radio signals die within centimeters of hitting saltwater, leaving underwater drones and remotely operated vehicles (ROVs) navigating in the dark.

Water Linked, a Trondheim-based subsea technology specialist founded in 2013, has emerged as a disruptive architect in solving this “underwater blackout.” Led by founder and Chief Scientist Torgeir Trøite, the company has spent over a decade engineering compact, low-power acoustic positioning systems and sensor stacks designed to give autonomous underwater vehicles (AUVs) the same navigational precision enjoyed by surface vessels.

The Capital: Deep Energy and Strategic Alliances

Despite maintaining a highly disciplined, lean financial footprint with roughly $110,000 in disclosed early-stage equity and innovation grants, Water Linked boasts a heavy-hitting cap table. The company’s strategic positioning took a massive leap forward when it consolidated backing from a formidable group of industrial and investment players:

• Equinor Ventures: The corporate venture arm of the energy giant Equinor, providing vital market access to offshore energy and infrastructure pipelines.
• Investinor: A prominent sovereign venture capital firm anchoring the startup within the nation’s strategic “blue economy.”
• Regional Venture Syndicates: A robust network of domestic funds including Signum Venture, Devico Invest, Periscope, and SpareBank 1 SMN Invest.

Further elevating its strategic importance, the startup was recently selected to participate in NATO’s Defence Innovation Accelerator for the North Atlantic (DIANA). This inclusion signals that its commercial subsea tracking tech is increasingly viewed as a vital dual-use asset for Western maritime security and infrastructure protection.

Core Innovation: Breaking the Subsea Data Bottleneck

Water Linked’s value proposition is centered on shrinking traditionally bulky, expensive naval hardware into compact modules tailored for commercial robotics. The company broke into the market with its Underwater GPS (UGPS) system, which uses acoustic pulses transmitted between a surface transponder and subsea receivers to triangulate real-time coordinates for divers and ROVs.

The rest of their product portfolio serves as a comprehensive navigation and perception engine:

• Doppler Velocity Logs (DVL A50 & A125): The world’s smallest DVLs, which utilize Doppler shift principles against the seabed to let AUVs track their velocity and hold their position with dead-reckoning precision, entirely independent of outside signals.
• Acoustic Modems: Low-frequency wireless communication suites that transmit telemetry and command-and-control data through sound waves.
• Real-Time 3D Multibeam Sonar: Introduced to the market as a major upgrade for autonomous perception, generating high-fidelity visual representations of pitch-black underwater environments for obstacle avoidance and structural inspections.

Strategic Applications: From Fish Farms to Defense

By focusing on mass-manufacturable, easily integrated hardware, Water Linked has successfully diversified across multiple high-growth ocean verticals. In the offshore energy and aquaculture sectors, its sensors allow unmanned surface vehicles to monitor underwater turbines and net-pens without human intervention. In marine research and defense, its compact footprint allows small, “attritable” subsea drones to execute long-endurance charting and infrastructure monitoring missions that previously required multi-million dollar crewed vessels.

Final Thought

Water Linked represents the quiet democratization of the underwater domain. For decades, high-precision subsea navigation was the exclusive playground of heavily funded military navies and tier-one oil services conglomerates. By condensing complex acoustic physics into plug-and-play micro-sensors, Torgeir Trøite and his team are lowering the barrier to entry for the autonomous blue economy. As the subsea theater becomes increasingly congested with autonomous fleets, Water Linked’s compact tech is well-positioned to become a key operator for the connected underwater ecosystem.