# O'BRIEN SECURITY SYSTEMS LIMITED (05278266)

> O'BRIEN SECURITY SYSTEMS LIMITED is an active private limited company (company number 05278266) incorporated on 4 November 2004, registered in Swansea. Its registered activity is other construction installation (SIC 43290). Latest micro accounts cover the period ending 31 December 2024, showing net assets of £7,950, with 5 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 18% on the prior period (£9,741).

- Status: Active
- Incorporated: 2004-11-04
- Registered office: Swansea, SA2 9BZ
- SIC 43290: Other construction installation
- Next accounts due: 2026-09-30
- Confirmation statement due: 2026-11-18
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 160 comparable companies in Swansea (median £2,848, upper quartile £25k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £7,950 | — | — | £11k | — | — | 5 |
| 2023-12-31 | £9,741 | — | — | £36k | — | — | 5 |

current ratio 0.94; size band micro.

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

- Net assets above zero: Net assets £7,950 at 31 December 2024
- Current assets below creditors within one year: Current ratio 0.94
- Incorporated five or more years ago: Incorporated 4 November 2004
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Mr Gareth Owain O'Brien — owns 75–100% of shares, since 2016-11-04

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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/05278266
HTML: https://firmoscan.com/company/05278266-o-brien-security-systems-limited