Seed Capital Moves Toward Maritime Autonomy

Rekise Marine has raised $9.7 million in seed funding, giving the Bengaluru-based marine robotics startup a larger capital base for autonomous vessels rather than a general software expansion.

Accel and NKSquared led the seed round.

NKSquared is the investment firm of Zerodha co-founder Nikhil Kamath.

The investor group also included Sameer Brij Verma and Sandeep Singhal, Industrial47, Singularity AMC, the company’s founders and several family offices.

The financing is tied to specific technical work.

Rekise plans to use the money to complete sea trials for Jalkapi, its autonomous submarine, and to deepen its in-house autonomy software.

The company also plans to hire engineers for robotics and AI/ML work, along with embedded systems, platform integration and naval architecture roles.

The funding is therefore relevant to defense and maritime technology because the company is not separating vessel design from the control software that makes autonomy usable at sea.

The source does not state a commercial valuation or a procurement award linked to the round, so the near-term signal is capability-building rather than completed defense adoption.

A Full-Stack Vessel Approach

Rekise was founded in 2017 by naval architect Maitrai Maka.

Its core argument is that future maritime power will depend on low-cost autonomous systems, and its operating model follows that thesis: the startup develops autonomous surface and underwater vessels through in-house vessel design, systems integration and autonomy software.

The company says its software platform can support multiple vessel classes, from small man-portable vessels to extra-large submarines, with limited reconfiguration across platforms.

That matters here because a single autonomy layer is more valuable if it can move across surface and subsurface designs instead of being rebuilt for each hull.

Rekise also builds and integrates vessels in-house while working with India’s shipyards, including Goa Shipyard Limited and GRSE Limited.

The model places vessel architecture, sensor choices, systems integration and autonomy software inside one engineering loop, which is important for a company trying to prove that low-cost autonomous maritime systems can work beyond a single prototype.

Jalkapi Is The Strategic Test

The product line already spans surface and underwater systems.

Jaldoot is described as an autonomous surface vessel that has already been delivered to customers.

Swadheen is an autonomous survey vessel that has completed fully autonomous open-sea trials.

A man-portable autonomous underwater vehicle is currently in trials.

Jalkapi is the premium product in the portfolio and is described as an autonomous submarine for the Indian Navy.

That makes the coming sea-trial work the clearest operational milestone for the funding round.

If Rekise can move Jalkapi from development into credible sea performance, the company’s full-stack claim will have stronger evidence than a laboratory autonomy demonstration.

The same product list also shows why surface vessels, survey vessels and underwater platforms have to be read together rather than as separate startup experiments.

The Constraint Is Hardware, Sensors And Team Depth

Maitrai Maka and Rear Admiral Shekhar Mital (Retd), Rekise Marine’s co-founder and executive director, linked autonomy quality to the sensors and hardware feeding the vessel.

Their statement points to a practical constraint in maritime robotics: autonomy cannot be judged only by algorithms when the platform must operate in harsh sea conditions.

Nikhil Kamath framed maritime autonomy as a capability India needs to own, citing the country’s history of building warships and submarines and its engineering talent.

That investor framing does not prove procurement success, but it explains why a seed-stage marine robotics company can attract capital when its roadmap is tied to autonomous ships, submarines, naval systems engineering and in-house platform integration.