Series A31 March 2025

Phlux Technology secures £9m Series A funding from BGF to scale production and expand product lines.

BGF led the Series A round with participation from existing backers including Octopus Ventures, Northern Gritstone, and Foresight.

£9.0MSeries A

Phlux Technology develops high-performance infrared sensors based on novel semiconductor materials originating from academic research. The firm supplies global markets across optical communications and sensing applications.

Phlux Technology has secured £9m in a Series A financing round led by BGF. The raise included participation from returning investors Octopus Ventures, Northern Gritstone, and Foresight. The capital will be directed towards scaling the headcount, increasing manufacturing output, and bringing two new product ranges to market for optical communications and sensing systems.

From the founder

"This funding comes at a pivotal moment as demand for high-speed optical communication systems is growing enormously. By developing world-class, high-performance infrared sensors, we are enabling industries to push the boundaries of connectivity, efficiency, and security by removing a technology bottleneck that has persisted for over 20 years."

Ben White

CEO at Phlux Technology

Investor perspective

"Phlux has developed a game-changing technology in a sector that’s long overdue for disruption. With strong academic roots, early commercial traction, and a compelling roadmap, the team is well-positioned to lead in infrared sensing. Backed by BGF’s deep tech investment experience, we’re excited to support Phlux in scaling globally across the sensing and telecommunications markets."

Luke Rajah

Partner, BGF