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Other service activities n.e.c. · London
Complex Security
Complex Security Limited
Private limited company registered in London, classed under “Other service activities n.e.c.”.
Headline figures
FY to Aug 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
1 finding 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 |
|---|---|---|---|---|
| Current assets | ||||
| Creditors due within a year | ||||
| Net current assets | ||||
| Creditors due after a year | ||||
| 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 Complex Security do?
Private limited company registered in London, classed under “Other service activities n.e.c.”.
›How much turnover does Complex Security make?
Answered in the full report
›Is Complex Security profitable?
Complex Security's profit isn't public: small companies may file without a profit and loss account.
›How many people work at Complex Security?
Answered in the full report
›Where is Complex Security based?
Its registered office is 1 Marrick Close, Upper Richmond Road, London, SW15 5RA, in London.
›When was Complex Security founded?
Complex Security Limited was incorporated on 29 August 2007.
›Is Complex Security still trading?
The register lists Complex Security Limited as active.