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Private security activities · London
S4si
S4si Limited
Private limited company registered in London, classed under “Private security activities”.
Headline figures
FY to Jun 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. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.
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 S4si do?
Private limited company registered in London, classed under “Private security activities”.
›How much turnover does S4si make?
Answered in the full report
›Is S4si profitable?
S4si's profit isn't public: small companies may file without a profit and loss account.
›How many people work at S4si?
Answered in the full report
›Where is S4si based?
Its registered office is York House, 1 Seagrave Road, London, SW6 1RP, in London.
›When was S4si founded?
S4si Limited was incorporated on 30 January 2012.
›Is S4si still trading?
The register lists S4si Limited as active.