CSignum makes wireless communications technology that lets IoT sensors transmit data from underwater and underground infrastructure without conventional cable runs.
PV
PXN Ventures
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Hardware · Jan 1, 2026
- Rounds participated in
- 5
- Confirmed lead rounds
- 2 2 roles undisclosed
- New companies
- 5 First participation on record · 0 follow-on
- Funding in participating rounds
- $41.8M 5 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
5 in this selectionCSignum
£2.6MFollow-on funding
ParticipantSCI Semiconductor
SCI Semiconductor develops ICENI, a family of microcontrollers that enforce memory safety and software compartmentalisation in hardware. Embedded-systems developers can build security-critical devices on the chips; hardware-enforced capability boundaries isolate components and constrain what code can access if a software flaw is exploited.
£5MFunding round
LeadAdvanced Electric Machines Group
Advanced Electric Machines designs and manufactures electric motors that avoid permanent magnets and rare-earth materials for transport and industrial powertrains.
£16MFunding round
LeadImperagen
Uses quantum physics simulation and AI to engineer high-performance enzymes for pharma and industrial markets
£5MSeed
Role not disclosedQuantcore
Designs superconducting quantum hardware and sensors for computing and sovereign supply chains
£2.5MSeed
Role not disclosed