CSignum

CSignum Raises £6M Series A to extend wireless IoT communications beneath the surface

22nd April, 2025

Chris Davis

Writer

CSignum Raises £6M Series A to extend wireless IoT communications beneath the surface

What does CSignum do?

CSignum develops and delivers EM-2 solutions that use patented wireless communication technology to transmit data through challenging environments such as water, ice, soil, rock, and concrete. This technology is used for applications including water quality monitoring, under-ship monitoring, and security for underwater infrastructure.

How much did they raise?

The company raised £6M in a Series A funding round led by Archangels, Par Equity, and Scottish Enterprise, with additional participation from British Business Investment, Raptor Group, Deep Future, SeaAhead Blue Angel Network, and individual US investors.

What are their plans for the money?

CSignum intends to use the funds to expand its global presence and accelerate product development, addressing the growing demand for real-time, reliable data transmission in underwater and underground settings.

What have they achieved so far?

The company has successfully deployed its patented electromagnetic field signalling (EMFS) technology and offers the CSignum Cloud service to complement its wireless systems, marking significant progress in its mission to revolutionize IoT communications in challenging environments.

Key Contacts

Jonathan Reeves
Chief Executive Officer
Mark Rhodes
Chief Technology Officer
Graeme Boyce
COO

Company Links

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