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Other research and experimental development on natural sciences and engineering · Cambridge
Semarion
Semarion Ltd
Private limited company registered in Cambridge, classed under “Other research and experimental development on natural sciences and engineering”.
Headline figures
FY to Dec 2025 · Company only
Turnover
For subscribers
Profit after tax
−£938k
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
Retained reserves
For subscribers
What the numbers say
4 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 | −£938k | ||||
| Turnover | |||||
| Net assets | |||||
| Cash | |||||
| Employees | |||||
| Retained reserves |
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 | ||||
| of which debtors | ||||
| of which cash | ||||
| Creditors due within a year | ||||
| Net current assets | ||||
| Net assets | ||||
| Ratios | ||||
| Return on equityProfit after tax as a share of net assets | ||||
| Current ratioCurrent assets for every £1 owed within a year | ||||
| Cash ratioCash for every £1 owed within a year | ||||
| Creditors to assetsEverything owed to creditors as a share of fixed plus current assets | ||||
7 balance-sheet lines and 4 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 Semarion do?
Private limited company registered in Cambridge, classed under “Other research and experimental development on natural sciences and engineering”.
›How much turnover does Semarion make?
Answered in the full report
›Is Semarion profitable?
No: it made a loss after tax of £938k in the year to 31 December 2025, its latest filed accounts.
›How many people work at Semarion?
Answered in the full report
›Where is Semarion based?
Its registered office is Salisbury House, Station Road, Cambridge, CB1 2LA, in Cambridge.
›When was Semarion founded?
Semarion Ltd was incorporated on 24 August 2018.
›Is Semarion still trading?
The register lists Semarion Ltd as active.