What is CSignum?
Founded in 2020 and headquartered in the United Kingdom, CSignum specializes in enabling the transmission of data through the water-air boundary, water column, seabed, and subsea structures using its proprietary HydroFi technology. This innovative approach addresses a critical need in underwater and marine communications, offering a unique solution for data transfer in challenging environments. The company's focus on this niche market suggests a strategic intent to become a leader in subsea wireless communication.
How much funding has CSignum raised?
CSignum has raised a total of $8M across 1 funding round:
Series A
$8M
Series A (2025): $8M with participation from Archangel Ventures, Scottish Enterprise, British Business Investments, Deep Future, SeaAhead, Raptor Group Holdings, and Par Equity
Key Investors in CSignum
Archangel Ventures
Archangel Ventures is a technology-focused investment firm based in London, United Kingdom, known for backing a variety of ventures and commercial businesses.
Scottish Enterprise
Scottish Enterprise is the national economic development agency of Scotland, headquartered in Glasgow, dedicated to fostering business growth and innovation across the country.
British Business Investments
British Business Investments is a government-owned economic bank focused on providing financial support and investment schemes to UK businesses, particularly startups and smaller enterprises.
What's next for CSignum?
The recent major strategic investment indicates strong market confidence in CSignum's HydroFi technology and its potential for widespread adoption. This capital will likely fuel further research and development, expansion of operational capabilities, and strategic partnerships to scale its market reach. As CSignum moves forward, its focus will be on leveraging this financial backing to solidify its position as a key player in the underwater communications industry, potentially exploring new applications and markets for its groundbreaking technology.
See full CSignum company page
