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Callsign Ltd

Callsign Ltd is an active company incorporated on 8 June 2010 with the registered office located in London, City of London. Callsign Ltd was registered 15 years ago.
Status
Active
Active since 14 years ago
Company No
07277719
Private limited company
Age
15 years
Incorporated 8 June 2010
Size
Medium
Turnover is under £54M
Under 250 employees
Confirmation
Submitted
Dated 8 June 2025 (3 months ago)
Next confirmation dated 8 June 2026
Due by 22 June 2026 (9 months remaining)
Last change occurred 2 months ago
Accounts
Due Soon
For period 1 Jul ⟶ 30 Jun 2024 (1 year)
Accounts type is Full
Next accounts for period 31 December 2024
Due by 30 September 2025 (23 days remaining)
Learn more about Callsign Ltd
Contact
Address
Chancery House Chancery Lane
5/05
London
WC2A 1QS
England
Address changed on 23 Nov 2023 (1 year 9 months ago)
Previous address was 1 Bartholomew Close London EC1A 7BL England
Telephone
Unreported
Email
Unreported
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People
Officers
2
Shareholders
1
Controllers (PSC)
1
Dr Zia Hayat
Director • British • Lives in United Arab Emirates • Born in Jun 1982
Mr. Garth William Ritchie
Director • Director/Partner • South African • Lives in England • Born in Jul 1968
PSC
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Shareholders, PSCs & Group Structure
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Mutual Companies
Arqit Quantum INC
Mr. Garth William Ritchie is a mutual person.
Active
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Financials
Net Assets, Total Assets & Total Liabilities (2015–2024)
Period Ended
30 Jun 2024
For period 30 Jun ⟶ 30 Jun 2024
Traded for 12 months
Cash in Bank
£980K
Decreased by £3.47M (-78%)
Turnover
£21.13M
Increased by £2.08M (+11%)
Employees
60
Decreased by 51 (-46%)
Total Assets
£3.93M
Decreased by £5.39M (-58%)
Total Liabilities
-£49.12M
Increased by £9.75M (+25%)
Net Assets
-£45.19M
Decreased by £15.14M (+50%)
Debt Ratio (%)
1249%
Increased by 826.64% (+196%)
See 10 Year Full Financials
Latest Activity
Confirmation Submitted
2 Months Ago on 18 Jun 2025
Full Accounts Submitted
5 Months Ago on 2 Apr 2025
Accounting Period Shortened
6 Months Ago on 25 Feb 2025
Charge Satisfied
7 Months Ago on 23 Jan 2025
Full Accounts Submitted
1 Year 1 Month Ago on 6 Aug 2024
Confirmation Submitted
1 Year 2 Months Ago on 24 Jun 2024
Registered Address Changed
1 Year 9 Months Ago on 23 Nov 2023
Patrick Imbach Resigned
2 Years Ago on 1 Sep 2023
Dr Zia Hayat Appointed
2 Years Ago on 31 Aug 2023
Confirmation Submitted
2 Years 2 Months Ago on 13 Jun 2023
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Documents
Confirmation statement made on 8 June 2025 with updates
Submitted on 18 Jun 2025
Full accounts made up to 30 June 2024
Submitted on 2 Apr 2025
Previous accounting period shortened from 29 June 2025 to 31 December 2024
Submitted on 25 Feb 2025
Satisfaction of charge 072777190004 in full
Submitted on 23 Jan 2025
Full accounts made up to 30 June 2023
Submitted on 6 Aug 2024
Confirmation statement made on 8 June 2024 with updates
Submitted on 24 Jun 2024
Registered office address changed from 1 Bartholomew Close London EC1A 7BL England to Chancery House Chancery Lane 5/05 London WC2A 1QS on 23 November 2023
Submitted on 23 Nov 2023
Termination of appointment of Patrick Imbach as a director on 1 September 2023
Submitted on 7 Sep 2023
Appointment of Dr Zia Hayat as a director on 31 August 2023
Submitted on 7 Sep 2023
Statement of capital following an allotment of shares on 30 June 2023
Submitted on 31 Jul 2023
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Repayment History
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