CSignum
7 known investors
CSignum develops electromagnetic field-based communication and sensing solutions for underwater, underground, and IoT applications. The company serves industries including oil and gas exploration, manufacturing, medical, and solar sectors.
Founders & leadership
J
JonathanCEO
Investors · 7
Bessemer Venture Partners✓ verifiedRedwood City · $5M – $100M
ArchangelsEdinburgh
Raptor GroupMiami Beachvia James J. Pallotta · inferred
Deep Futurereported · 2 sourcesSeattlevia Pablos Holman · inferred
Scottish EnterprisereportedGlasgow
Also in the syndicate · 2
British Business Investment (BBI)SeaAhead’s Blue Angel Network
Funding
SEC filings, press & company announcements- Undisclosed amountSeries AApr 2025 · 2 sources
Archangels (lead), Par Equity (lead), Scottish Enterprise (lead), British Business Investment (BBI), Deep Future, Raptor Group, SeaAhead’s Blue Angel Network
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does CSignum do?
- CSignum develops electromagnetic field-based communication and sensing solutions for underwater, underground, and IoT applications. The company serves industries including oil and gas exploration, manufacturing, medical, and solar sectors.
- Who are CSignum's investors?
- CSignum's investors include Bessemer Venture Partners, Archangels, Raptor Group, Deep Future, Scottish Enterprise.