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Other construction installation · Swansea
O'brien Security Systems
O'brien Security Systems Limited
Private limited company registered in Swansea, classed under “Other construction installation”.
Headline figures
FY to Dec 2025 · Company only
Turnover
For subscribers
Profit after tax
—
Not filed: small-company exemption
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
What the numbers say
2 findings from the figures, in plain English
Written by rules from the figures on this page. Not a forecast or a credit opinion.
History
| £ | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Profit after tax | — | ||||
| Turnover | |||||
| Net assets | |||||
| Cash | |||||
| Employees |
Every figure for all 5 years
“—” means we did not find the figure in a source; it is never filled with an estimate.
Balance sheet and ratios
From the filed balance sheets · £
| Balance sheet | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Fixed assets | ||||
| Current assets | ||||
| Creditors due within a year | ||||
| Net current assets | ||||
| Net assets | ||||
| Ratios | ||||
| Current ratioCurrent assets for every £1 owed within a year | ||||
| Creditors to assetsEverything owed to creditors as a share of fixed plus current assets | ||||
5 balance-sheet lines and 2 ratios, every year
A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.
Questions people ask
›What does O'brien Security Systems do?
Private limited company registered in Swansea, classed under “Other construction installation”.
›How much turnover does O'brien Security Systems make?
Answered in the full report
›Is O'brien Security Systems profitable?
O'brien Security Systems's profit isn't public: small companies may file without a profit and loss account.
›How many people work at O'brien Security Systems?
Answered in the full report
›Where is O'brien Security Systems based?
Its registered office is 84 Gower Road, Sketty, Swansea, SA2 9BZ, in Swansea.
›When was O'brien Security Systems founded?
O'brien Security Systems Limited was incorporated on 4 November 2004.
›Is O'brien Security Systems still trading?
The register lists O'brien Security Systems Limited as active.