# SUB 51 OPERATIONS LTD (13275721)

> SUB 51 OPERATIONS LTD is an active private limited company (company number 13275721) incorporated on 18 March 2021, registered in London. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 March 2025, showing net assets of £3,429 and cash of £29k, with 1 employee on average. Net assets rose 107% on the prior period (−£47k).

- Status: Active
- Incorporated: 2021-03-18
- Registered office: London, EC2A 4DJ
- SIC 62012: Business and domestic software development
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-04-01
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the upper half of 15,170 comparable companies in London (median £702, upper quartile £27k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £3,429 | £29k | £1,366 | — | — | — | 1 |
| 2024-03-31 | −£47k | £209k | £10k | — | — | — | 1 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £3,429 at 31 March 2025
- Net assets up 10% or more on the prior period: +107.3% vs prior period
- Incorporated five or more years ago: Incorporated 18 March 2021

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Sub 51 Holdings Ltd (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2024-03-27

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/13275721
HTML: https://firmoscan.com/company/13275721-sub-51-operations-ltd