CSignum key facts
as of Oct 2026- Developer of a wireless communication system designed to provide data transmissions across the water-air boundary.
- CSignum is valued at approximately $9.8M as of Oct 2026 (last reported valuation).
- It has raised $9.5M; the latest was Later Stage VC ($8.2M) in Apr 2025.
- Notable investors include Scottish Enterprise, Raptor Group, Deep Future, British Business Investments, Archangel Fund — 13 tracked in total.
- Status: Privately Held (backing).
CSignum's last reported valuation, Apr 2025. Nothing priced has surfaced since.
- ·The complete investor list: 13 names
- ·Watch CSignum: the Monday email on marks, rounds and moves
CSignum funding rounds
No funding rounds for CSignum are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs CSignum
13+CSignum valuation
CSignum's last reported valuation was $9.8 million in Apr 2025. No priced round, secondary trade or fund mark has surfaced since.
CSignum investors
13 investors are on record for CSignum, including Scottish Enterprise, Raptor Group, Deep Future and British Business Investments.
About CSignum
Developer of a wireless communication system designed to provide data transmissions across the water-air boundary. The company's device carries data with low-frequency electromagnetic waves that pass through the water column and allow frequent and automated data transmissions of temperature, salinity, dissolved oxygen, currents, nutrients, and sea levels, enabling precision aquaculture for offshore fish farming and fish production.
- Sector
- Information Technology
- HQ
- Bathgate, United Kingdom
- Founded
- 2020
- Employees
- 28
- Website
- csignum.com/
- Ownership
- Privately Held (backing)
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