CSignum: Venture Capital Funding History
CSignum
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News from CSignum
CSignum
23 Sept 2026
CSignum unlocks £2.6m in funding from investors to provide underwater and underground wireless communications
CSignum provides wireless communications for environments beneath the surface of water, ice and ground, using Electromagnetic Field Signalling to move data through media that block conventional signals. Its EM2 product portfolio connects sensors at submerged and buried sites for customers in utilities, maritime, offshore energy and environmental monitoring.
CSignum
22 Apr 2025
CSignum secures £6m Series A led by Archangels and Par Equity to scale underwater wireless IoT comms
CSignum develops wireless communication technology that transmits data from underwater and underground sensors, enabling real-time monitoring in environments where conventional signals cannot operate.
CSignum
- Telecoms
- Edinburgh, United Kingdom
- £8.6m
- csignum.com
- Update Information
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