Key facts
- CSignum’s last known valuation is $9.8M (Apr 2025).
- 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).
- ·The complete investor list — 13 names
- ·Watchlist + deal alerts for CSignum
- ·The full record, as it builds
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.
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)
CSignum doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in CSignum shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on CSignum in its N-PORT filings yet. We sweep new filings monthly.