The Plymouth-based startup raised the capital from backers including Lunar Ventures and AlbionVC to increase manufacturing of its C-Star robots.
"We’re making the ocean’s eyes and ears, and we need a lot of them. Seventy per cent of the planet is ocean, and we can barely see any of it in real time. That’s not a sensing problem anymore; the technology works, and it works in the worst conditions on Earth. It’s a manufacturing problem"
— Anahita Laverack, Chief Executive and Co-Founder
Atomico led the financing alongside Plural, DCVC, and the UK Sovereign AI Fund.
"By integrating Cerebras into Callosum’s platform, we’re making ultra-low-latency inference available exactly where it creates the greatest impact, enabling customers to build AI systems that simply weren’t practical before,"
Integrity Growth Partners led the $22m investment, marking the company's first external capital in nine years.
"We believed it was possible that, if we raised money too early, we might have been raising it at the wrong time, since the market had not yet recognised what was required."