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Protonera Ltd

Protonera Ltd is an active company incorporated on 26 April 2023 with the registered office located in London, Greater London. Protonera Ltd was registered 2 years 7 months ago.
Status
Active
Active since incorporation
Company No
14830471
Private limited company
Age
2 years 7 months
Incorporated 26 April 2023
Size
Micro
Turnover is under £1M
Balance sheet is under £500,000
Under 10 employees
Confirmation
Submitted
Dated 8 May 2025 (7 months ago)
Next confirmation dated 8 May 2026
Due by 22 May 2026 (5 months remaining)
Last change occurred 7 months ago
Accounts
Submitted
For period 26 Apr30 Apr 2024 (1 year)
Accounts type is Total Exemption Full
Next accounts for period 30 April 2025
Due by 31 January 2026 (1 month remaining)
Address
Scale Space
58 Wood Lane
London
W12 7RZ
England
Address changed on 11 Nov 2025 (28 days ago)
Previous address was 13 Staffordshire Street Cambridge CB1 2nd England
Telephone
Unreported
Email
Unreported
Website
Unreported
People
Officers
2
Shareholders
5
Controllers (PSC)
2
PSC • Director • Chinese • Lives in England • Born in Jan 1998 • Engineer
PSC • Director • Austrian • Lives in England • Born in Dec 1979 • Professor
Shareholders, PSCs & Group Structure
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Mutual Companies
No mutual companies found
Financials
Net Assets, Total Assets & Total Liabilities (2024–2024)
Period Ended
30 Apr 2024
For period 30 Apr30 Apr 2024
Traded for 12 months
Cash in Bank
£47.92K
Turnover
Unreported
Employees
3
Total Assets
£63.1K
Total Liabilities
-£99.67K
Net Assets
-£36.57K
Debt Ratio (%)
158%
Latest Activity
Registered Address Changed
28 Days Ago on 11 Nov 2025
Confirmation Submitted
7 Months Ago on 8 May 2025
Full Accounts Submitted
1 Year 2 Months Ago on 23 Sep 2024
Professor Erwin Reisner (PSC) Details Changed
1 Year 3 Months Ago on 5 Sep 2024
Professor Erwin Reisner Details Changed
1 Year 3 Months Ago on 5 Sep 2024
Chengzhi Guo (PSC) Details Changed
1 Year 3 Months Ago on 5 Sep 2024
Chengzhi Guo Details Changed
1 Year 3 Months Ago on 5 Sep 2024
Confirmation Submitted
1 Year 7 Months Ago on 9 May 2024
Professor Erwin Reisner Appointed
1 Year 10 Months Ago on 21 Jan 2024
Erwin Reisner (PSC) Appointed
1 Year 10 Months Ago on 21 Jan 2024
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Documents
Registered office address changed from 13 Staffordshire Street Cambridge CB1 2nd England to Scale Space 58 Wood Lane London W12 7RZ on 11 November 2025
Submitted on 11 Nov 2025
Confirmation statement made on 8 May 2025 with updates
Submitted on 8 May 2025
Total exemption full accounts made up to 30 April 2024
Submitted on 23 Sep 2024
Director's details changed for Chengzhi Guo on 5 September 2024
Submitted on 5 Sep 2024
Change of details for Chengzhi Guo as a person with significant control on 5 September 2024
Submitted on 5 Sep 2024
Director's details changed for Professor Erwin Reisner on 5 September 2024
Submitted on 5 Sep 2024
Change of details for Professor Erwin Reisner as a person with significant control on 5 September 2024
Submitted on 5 Sep 2024
Second filing of a statement of capital following an allotment of shares on 22 June 2024
Submitted on 11 Jul 2024
Second filing of a statement of capital following an allotment of shares on 21 June 2024
Submitted on 9 Jul 2024
Statement of capital following an allotment of shares on 21 June 2024
Submitted on 23 Jun 2024
Repayment History
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