SIGMA OS SOFTWARE LTD

Active

Registry details

Reference data exactly as held at Companies House.

Copy registry details
Registered office
Fox Court, Sigmaos, Suite 1.06, 14 Gray’S Inn Road, London WC1X 8HN
Accounts type
Total Exemption Full

Company activity

The 4 most recent documents filed at Companies House.

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  1. 23/06/2026

    Previous accounting period extended from 2025-12-31 to 2026-04-30

    View PDF (1 pages)
  2. 02/03/2026

    14/02/26 Statement of Capital gbp 3

    View PDF (4 pages)
  3. 28/03/2025

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

    View PDF (8 pages)
  4. 28/02/2025

    Change of details for Mr Mahyad Ghassemibouyaghchi as a person with significant control on 2024-02-15

    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

On schedule

31/01/2027Filing deadline

Next accounts made up to
30/04/2026
Last accounts made up to
31/12/2024

Confirmation statement

Confirms the registry record is up to date

On schedule

28/02/2027Filing deadline

Next statement date
14/02/2027
Last statement dated
14/02/2026

See the full filing history

Financial performance

The latest figures SIGMA OS SOFTWARE LTD filed. Okredo holds filed accounts data for 2022–2024; the year-by-year record is on the financials page.

Net Assets

£-2.46M2024
-55.13%vs 2023

2023: £-1.58M

Total Assets

£168.66K2024
-28.60%vs 2023

2023: £236.22K

Cash in Bank

£45.06K2024
-52.16%vs 2023

2023: £94.17K

Total Liabilities

£2.63M2024
46.12%vs 2023

2023: £1.80M

Employees

42024
-1vs 2023

2023: 5

Of the 4 measures with an earlier filing to compare against, 1 rose and 3 fell. Net assets moved furthest, down 55.13% on 2023. See the full financial analysis for SIGMA OS SOFTWARE LTD.

Employees

Headcount as reported to Companies House for 2022–2024.

42022
52023
42024
YearEmployeesChange
20244-1
20235+1
20224–

Reported employee count was unchanged at 4 between 2022 and 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

3

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

PersonRolePeriodConnected companies
Director13/07/2021–Present5
Director13/07/2021–Present4
Director15/02/2021–Present1

Persons with significant control

3

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

PersonPeriodConnected companies
13/07/2021–Present5
13/07/2021–Present4
15/02/2021–Present1

Filing history and recent activity

Every document on the Companies House record, newest first.

Filings on record
19
Since 14/02/2023
Last 12 months
2
-4 vs the year before
Most recent filing
23/06/2026
3 months ago

What changed in the last year

  • Share capitalLatest 02/03/2026

Filing timeline

  1. 23/06/2026

    Previous accounting period extended from 2025-12-31 to 2026-04-30

    View PDF (1 pages)
  2. 02/03/2026

    14/02/26 Statement of Capital gbp 3

    View PDF (4 pages)
  3. 28/03/2025

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

    View PDF (8 pages)
  4. 28/02/2025

    Change of details for Mr Mahyad Ghassemibouyaghchi as a person with significant control on 2024-02-15

    View PDF (2 pages)
  5. 28/02/2025

    Confirmation statement made on 2025-02-14 with updates

    View PDF (4 pages)
  6. 27/02/2025

    Change of details for Mr Mahyad Ghassemibouyaghchi as a person with significant control on 2024-02-15

    View PDF (2 pages)
  7. 27/02/2025

    Director's details changed for Mr Mahyad Ghassemibouyaghchi on 2024-02-15

    View PDF (2 pages)
  8. 27/02/2025

    Director's details changed for Mr Mahyad Ghassemibouyaghchi on 2024-02-15

    View PDF (2 pages)
  9. 22/08/2024

    Current accounting period shortened from 2025-02-28 to 2024-12-31

    View PDF (1 pages)
  10. 16/08/2024

    Total exemption full accounts made up to 2024-02-29

    View PDF (8 pages)
  11. 08/08/2024

    Registered office address changed from Suite 1.06, Fox Court 14 Gray’S Inn Road London WC1X 8HN England to Fox Court Sigmaos, Suite 1.06, 14 Gray’S Inn Road London WC1X 8HN on 2024-08-08

    View PDF (1 pages)
  12. 13/03/2024

    Registered office address changed from Abbey House Sigmaos Inc. 74-76 Saint John St London EC1M 4DT England to 14 Gray’S Inn Road Suite 1.06, Fox Court, 14 Gray's Inn Road London WC1X 8HN on 2024-03-13

    View PDF (1 pages)

Showing 12 of 19 filings

See when the next accounts and confirmation statement are due

Similar companies

273 UK companies are similar to SIGMA OS SOFTWARE LTD, sharing the same company status (Active), the same industry sector and activity group (Other software publishing) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.

273 UK companies share this business profileThe 5 above are the closest matches. See every UK company registered under Other software publishing.Browse the listing

About SIGMA OS SOFTWARE LTD

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

SIGMA OS SOFTWARE LTD is a private limited company registered in the United Kingdom, based in Fox Court, Sigmaos, Suite 1.06, 14 Gray’S Inn Road, London WC1X 8HN. Companies House classifies its business as Other software publishing. It has been on the register for 5 years 7 months.

The register currently records it as active. Its 2024 accounts report net assets of £-2.46M and 4 employees.

SIGMA OS SOFTWARE LTD: frequently asked questions

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

Companies House records SIGMA OS SOFTWARE LTD under one registered business activity: Other software publishing (58.29 - SIC 2007).

SIGMA OS SOFTWARE LTD is recorded as active on the Companies House register, and has been on it since 15/02/2021.

The most recent accounts Okredo holds cover 2024 and report net assets of £-2.46M, total assets of £168.66K, cash in bank of £45.06K and total liabilities of £2.63M.

The most recent document on the record is dated 23/06/2026: Previous accounting period extended from 2025-12-31 to 2026-04-30, 3 months ago.

On the current registry record, accounts are due by 31/01/2027 and the next confirmation statement is due by 28/02/2027.

Companies House lists 3 officers and 3 people with significant control.