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Other research and experimental development on natural sciences and engineering · London
Protonera
Protonera Ltd
Private limited company registered in London, classed under “Other research and experimental development on natural sciences and engineering”.
Headline figures
FY to Apr 2025 · Company only
Turnover
For subscribers
Profit after tax
—
Not filed: small-company exemption
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
Retained reserves
For subscribers
What the numbers say
3 findings from the figures, in plain English
Written by rules from the figures on this page. Not a forecast or a credit opinion.
History
| £ | 2024 | 2025 |
|---|---|---|
| Profit after tax | — | |
| Turnover | ||
| Net assets | ||
| Cash | ||
| Employees | ||
| Retained reserves |
Every figure for all 2 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 | 2024 | 2025 |
|---|---|---|
| Fixed assets | ||
| Current assets | ||
| of which debtors | ||
| of which cash | ||
| Net current assets | ||
| Net assets |
6 balance-sheet lines, 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 Protonera do?
Private limited company registered in London, classed under “Other research and experimental development on natural sciences and engineering”.
›How much turnover does Protonera make?
Answered in the full report
›Is Protonera profitable?
Protonera's profit isn't public: small companies may file without a profit and loss account.
›How many people work at Protonera?
Answered in the full report
›Where is Protonera based?
Its registered office is Scale Space, 58 Wood Lane, London, W12 7RZ, in London.
›When was Protonera founded?
Protonera Ltd was incorporated on 26 April 2023.
›Is Protonera still trading?
The register lists Protonera Ltd as active.