Loading the map…
Dormant Company · London
Castellum
Castellum Ltd
Private limited company registered in London, classed under “Dormant Company”.
Headline figures
FY to Apr 2026 · 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
| £ | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|
| 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.
Questions people ask
›What does Castellum do?
Private limited company registered in London, classed under “Dormant Company”.
›How much turnover does Castellum make?
Answered in the full report
›Is Castellum profitable?
Castellum's profit isn't public: small companies may file without a profit and loss account.
›How many people work at Castellum?
Answered in the full report
›Where is Castellum based?
Its registered office is Office Q, 35 Astbury Road, London, SE15 2NL, in London.
›When was Castellum founded?
Castellum Ltd was incorporated on 26 April 2016.
›Is Castellum still trading?
The register lists Castellum Ltd as active.