Csignum Ltd

SC666714 · Active · incorporated 6 years, 2 months ago · Bathgate

Deeptech Deep Tech Hardware IoT Series B+

CSignum develops wireless communication technology for transmitting data underwater, breaking barriers between air and water environments.

https://www.csignum.com/

Csignum Ltd is a private limited company registered at Companies House under number SC666714, incorporated on 8 July 2020, with a registered office in Bathgate, West Lothian. Its current status on the register is active. Its filed nature of business is other research and experimental development on natural sciences and engineering (SIC 72190). Sonde has indexed 64 filings for this company, including 2 funding rounds. Its most recent round closed in April 2025, raising £6.4m.

£17.3m
Total raised
2
Funding rounds
90
Shareholders on register
64
Filings tracked · 17d ago

Funding rounds

Round Closed Raised Price per share
Round 2 Apr 2025 £6.4m £0.264
Round 1 Oct 2023 £10.8m £10.00

Company information

Company number
SC666714
Company type
Private limited company
Status
Active
Incorporated
8 July 2020
Registered office
Bathgate, West Lothian, Scotland
Nature of business
72190 — Other research and experimental development on natural sciences and engineering

Recent filings

  • Memorandum and Articles 26 Aug 2026
  • Confirmation Statement 16 Jul 2026
  • Change of Director's Details ×3 26 May 2026
  • Change of Registered Office 26 May 2026
  • Accounts 13 Apr 2026
  • Particulars of a Charge 29 Dec 2025
  • Change of Director's Details 15 Nov 2025
  • Confirmation Statement 5 Jul 2025
  • Termination of Director 8 Jun 2025
  • Appointment of Director 8 Jun 2025

Showing the 12 most recent of 64 filings.

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