CSignum
Latest round
- Series A
Last raised
- Sep 2026
Total raised
- $12M
Investors
- 7
About CSignum
Founded in 2020 in UK, CSignum Ltd. focuses on advanced wireless communication technologies. As of October 2026, Jonathan Reeves is the CEO of the company. In September 2026, CSignum Ltd. CSignum specializes in advanced wireless communication technologies, primarily through its proprietary EM-2 platform, which utilizes low frequency electromagnetic fields for data transmission. This innovative solution enables seamless communication across various environments, including underwater and underground applications, transmitting data from the seabed to the shore, from ship hulls to decks, and through rock and soil. The technology effectively addresses limitations of acoustic systems, enhancing data transfer reliability. CSignum caters to diverse sectors such as environmental monitoring, aquaculture, hydropower, and defense, targeting clients involved in critical infrastructure and Internet of Underwater Things (IoUT) applications globally, including North America, Europe, and parts of Asia. CSignum operates a B2B business model, structuring its revenue streams through partnerships and direct sales of its EM-2 solutions and related services. The company engages clients across multiple industries, offering tailored solutions for underwater data collection and monitoring. Revenue is generated through the sale of these flagship products, with clients typically entering into service agreements that include ongoing support and maintenance. This transaction structure allows for both one-time purchases and subscription-based services, facilitating long-term relationships with clients who require consistent updates and enhancements, with specific pricing plans defined in negotiated contracts.
Who invested in CSignum
7 investors across 2 rounds
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Questions about CSignum
Who invested in CSignum?
CSignum has 7 investors on record across 2 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has CSignum raised?
CSignum has raised 2 venture rounds. Sign up free to see how much each round raised and the total.
When did CSignum last raise money?
CSignum's most recent round on record is a Series A, in Sep 2026.
What does CSignum do?
Founded in 2020 in UK, CSignum Ltd.
Where is CSignum headquartered?
CSignum is headquartered in Bathgate, UK.
Which VCs invest in companies like CSignum?
Among active investors with capital left to deploy, Balderton Capital, Partech Partners, Seedcamp and Felix Capital back telecoms companies at CSignum's stage. Their profiles are linked below.
VCs backing telecoms startups at Series A
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