−£21k
−299%vs Apr 2024Active05676304Private limited companyLondon
CLAIRAIR LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
CLAIRAIR LIMITED is an active private limited company (company number 05676304) incorporated on 16 January 2006, registered in London. Its registered activity is manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511). Latest small accounts cover the period ending 30 April 2025, showing net assets of −£21k and cash of £5,279, with 2 employees on average. Net assets fell 299% on the prior period (£11k).
Peer position · net assets
By net assets it sits in the bottom quarter of 87 comparable companies in London (median £4,084, upper quartile £79k).
02
Key dates
- Incorporated
- 16 January 200620 yrs ago
- Next accounts due
- 30 January 2027in 100 days
- Confirmation statement due
- 30 January 2027in 100 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 26511
- Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£5,279
−72%vs Apr 2024Not reported
2
−33%vs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | −£21k | £5,279 | £14k | — | — | — | 2 |
| 30 April 2024 | £11k | £19k | £17k | — | — | — | 3 |
| 30 April 2023 | — | — | — | — | — | — | — |
Cash per employee£2,640Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Filing and accounts signals
- Net assets below zeroNet assets £-21,185 at 30 April 2025
- Net assets down 25% or more on the prior period-298.8% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 16 January 2006
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
06
Ownership and control
- Eursense Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- Dr Ruth Pottinger
- owns 25–50% of shares
- Dr Alan Mason Doncaster
- owns 50–75% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Next accounts duein 100 days
- Confirmation statement duein 100 days
- Accounts period endNet liabilities £21k · small accounts
- Accounts period endNet assets £11k · small accounts
- Accounts period end
- Incorporated
08
Similar companies in London
09
Reminders for CLAIRAIR LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.