Alphacomm Systems
Telecoms
Company · Bathgate
CSignum
CSignum is a telecoms company based in Bathgate, incorporated in Scotland in 2020 (SC666714), with 3 funding rounds on the record.
What they do
“Revolutionising underwater communications with electromagnetic technology for seamless data integration between surface & submerged devices.”
In its own words, on csignum.com
In plain speak
They develop technology that lets devices above and below water share data with each other using electromagnetic signals.
In the news
Funding rounds
Grants
Latest from CSignum
Timeline
- directorJohn Frederick Henry, Dr Nicholls appointed Director
- news‘Pivotal moment’ as Scottish underwater monitoring scale-up secures £2.6 million
- from the companyCSignum secures £2.6 million to accelerate underwater and through-ground monitoring of critical infrastructure
- fundingFunding, £2.6m from Archangels
- from the companyCSignum selected as a partner for £13.8m MariSens project to test how artificial intelligence, data sensors and drones can make ports safer and smarter
- from the companyCSignum’s teams will be available to share their learnings from recent deployments of their wireless continuous water quality monitoring system at the SWIG events during March
- from the companyCSignum Launches Through-Ice Wireless Monitoring
- from the companyCSignum Showcases Reliable Data Harvesting in the World’s Harshest Environments at IFAT 2026
- fundingSeries A, £6m from Archangels
- directorEwan Lindsey McLellan appointed Director
- newsCSignum secures £6 million funding
- fundingSeries A, £6m from Archangels, Par Equity, Scottish Enterprise
Use this data
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Record completeness 70 of 100; not yet held: filed accounts, three years of accounts, turnover, open roles.
On the record
Bathgate firm CSignum secured £2.6m investment.
Licensed to sponsor visas (Skilled Worker)
A director resigned
A director appointed
New shares issued on 24 August 2026 (form SH01, filed 26 August 2026)
Total exemption full accounts filed for the year to 31 December 2025
Total exemption full accounts filed for the year to 31 December 2024
A director appointed
A director resigned
New shares issued on 15 April 2025 (form SH01, filed 22 April 2025)
New shares issued on 9 May 2024 (form SH01, filed 10 May 2024)
A director appointed
Total exemption full accounts filed for the year to 31 December 2023
New shares issued on 17 October 2023 (form SH01, filed 25 October 2023)
New shares issued on 11 May 2023 (form SH01, filed 26 July 2023)
Total exemption full accounts filed for the year to 31 December 2022
New shares issued on 31 December 2022 (form SH01, filed 13 January 2023)
Total exemption full accounts filed for the year to 31 December 2021
Total exemption full accounts filed for the year to 31 December 2020
Incorporated at Companies House
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