PROTOSTAR GROUP LIMITED

Active

Registry details

Reference data exactly as held at Companies House.

Copy registry details
Registered office
Sustainable Workspaces, County Hall, 5th Floor The Riverside Building, Belvedere Road, London SE1 7PB
Accounts type
Total Exemption Full

Company activity

The 4 most recent documents filed at Companies House.

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  1. 31/03/2026

    Notification of Talal Hasan as a person with significant control on 2020-06-29

    View PDF (2 pages)
  2. 10/03/2026

    Cessation of Talal Hasan as a person with significant control on 2024-07-01

    View PDF (1 pages)
  3. 10/03/2026

    Director's details changed for Mr Talal Hasan on 2026-03-10

    View PDF (2 pages)
  4. 10/03/2026

    Director's details changed for Mrs Aurelie Marcelle Germain Schwartzmann on 2026-03-10

    View PDF (2 pages)

Accounts and confirmation statement

The two filings Companies House requires every year, and where each one stands against its deadline today.

Annual accounts

Total Exemption Full accounts

Due in 5 days

30/09/2026Filing deadline

Next accounts made up to
31/12/2025
Last accounts made up to
31/12/2024

See the full filing history

Financial performance

The latest figures PROTOSTAR GROUP LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.

Net Assets

£21.50M2024
1.63K%vs 2023

2023: £-1.41M

Total Assets

£21.91M2024
146.32%vs 2023

2023: £8.89M

Cash in Bank

£13.18M2024
362.47%vs 2023

2023: £2.85M

Total Liabilities

£401.58K2024
-96.10%vs 2023

2023: £10.30M

Employees

92024
+2vs 2023

2023: 7

Of the 4 measures with an earlier filing to compare against, 3 rose and 1 fell. Net assets moved furthest, up 1.63K% on 2023. See the full financial analysis for PROTOSTAR GROUP LIMITED.

Employees

Headcount as reported to Companies House for 2021–2024.

12021
52022
72023
92024
YearEmployeesChange
20249+2
20237+2
20225+4
20211–

Reported employee count increased from 1 in 2021 to 9 in 2024. See how headcount moved alongside the reported financials.

Credit report

It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.

Officers

12

Directors, secretaries and other appointed officers, with the period each has served.

PersonRolePeriodConnected companies
Director31/07/2020–04/07/20240
Director29/06/2020–Present4
Director25/06/2021–26/09/20210
Director26/09/2021–04/07/20240
Director25/06/2021–31/01/20240
Director31/07/2020–04/07/20240
Director06/01/2022–14/02/20220
Director31/01/2024–Present0
Director04/07/2024–Present0
Director04/07/2024–01/10/20250
Director04/07/2024–Present0
Director01/10/2025–Present0

Persons with significant control

2

Individuals or entities with significant control over the company, as declared to Companies House.

PersonPeriodConnected companies
29/06/2020–01/07/20244
29/06/2020–Present4

Filing history and recent activity

Every document on the Companies House record, newest first.

Filings on record
36
Since 08/07/2021
Last 12 months
8
+4 vs the year before
Most recent filing
31/03/2026
5 months ago

What changed in the last year

  • Officer changes (7)Latest 31/03/2026
  • Confirmation statementLatest 10/03/2026

Filing timeline

  1. 31/03/2026

    Notification of Talal Hasan as a person with significant control on 2020-06-29

    View PDF (2 pages)
  2. 10/03/2026

    Cessation of Talal Hasan as a person with significant control on 2024-07-01

    View PDF (1 pages)
  3. 10/03/2026

    Director's details changed for Mr Talal Hasan on 2026-03-10

    View PDF (2 pages)
  4. 10/03/2026

    Director's details changed for Mrs Aurelie Marcelle Germain Schwartzmann on 2026-03-10

    View PDF (2 pages)
  5. 10/03/2026

    Confirmation statement made on 2026-03-09 with updates

    View PDF (9 pages)
  6. 16/02/2026

    Change of details for Mr Talal Hasan as a person with significant control on 2025-03-10

    View PDF (2 pages)
  7. 02/10/2025

    Appointment of Mrs Aurelie Marcelle Germain Schwartzmann as a director on 2025-10-01

    View PDF (2 pages)
  8. 02/10/2025

    Termination of appointment of Greg Fleming as a director on 2025-10-01

    View PDF (1 pages)
  9. 19/09/2025

    Director's details changed for Jeroen Van Der Hoek on 2025-09-19

    View PDF (2 pages)
  10. 22/07/2025

    Total exemption full accounts made up to 2024-12-31

    View PDF (12 pages)
  11. 06/02/2025

    Resolutions

    View PDF (1 pages)
  12. 05/02/2025

    Statement of capital following an allotment of shares on 2025-01-01

    View PDF (4 pages)

Showing 12 of 36 filings

See when the next accounts and confirmation statement are due

Similar companies

52 UK companies are similar to PROTOSTAR GROUP LIMITED, sharing the same company status (Active), the same industry sector and activity group (Other research and experimental development on natural sciences and engineering) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.

52 UK companies share this business profileThe 5 above are the closest matches. See every UK company registered under Other research and experimental development on natural sciences and engineering.Browse the listing

About PROTOSTAR GROUP LIMITED

A short description of the company, written from its Companies House record.

PROTOSTAR GROUP LIMITED is a private limited company registered in the United Kingdom, based in Sustainable Workspaces, County Hall, 5th Floor The Riverside Building, Belvedere Road, London SE1 7PB. Companies House classifies its business as Other research and experimental development on natural sciences and engineering. It has been on the register for 6 years 2 months.

The register currently records it as active. Its 2024 accounts report net assets of £21.50M and 9 employees.

PROTOSTAR GROUP LIMITED: frequently asked questions

Answered from this company's own registry record and filed figures.

What does PROTOSTAR GROUP LIMITED do?

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Companies House records PROTOSTAR GROUP LIMITED under one registered business activity: Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007).

Is PROTOSTAR GROUP LIMITED still active?

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PROTOSTAR GROUP LIMITED is recorded as active on the Companies House register, and has been on it since 29/06/2020.

What are PROTOSTAR GROUP LIMITED's latest reported financials?

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The most recent accounts Okredo holds cover 2024 and report net assets of £21.50M, total assets of £21.91M, cash in bank of £13.18M and total liabilities of £401.58K.

When did PROTOSTAR GROUP LIMITED last file with Companies House?

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The most recent document on the record is dated 31/03/2026: Notification of Talal Hasan as a person with significant control on 2020-06-29, 5 months ago.

When are PROTOSTAR GROUP LIMITED's next filings due?

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On the current registry record, accounts are due by 30/09/2026.

Who runs PROTOSTAR GROUP LIMITED?

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Companies House lists 12 officers (5 currently in post) and 2 people with significant control (1 current).