£92k
+81%vs Dec 2024Active14255266Private limited companyOxford,
SERENOX LIMITED
Significant control: Professor Annette Hildegard Schuh (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Serenox Limited sell?
Registered activity: Technical testing and analysis (SIC 71200). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SERENOX LIMITED is an active private limited company (company number 14255266) incorporated on 25 July 2022, registered in Oxford,. Its registered activity is technical testing and analysis (SIC 71200). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £92k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 81% on the prior period (£51k).
Peer position · net assets
By net assets it sits in the top quarter of 3,192 comparable companies in the UK (median £6,971, upper quartile £52k).
02
Ownership and control
- Professor Annette Hildegard Schuh
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 25 July 20224 yrs ago
- Next accounts due
- 30 September 2027in 340 days
- Confirmation statement due
- 8 August 2027in 287 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71200
- Technical testing and analysis
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £92k | — | — | £223k | — | — | 1 |
| 31 December 2024 | £51k | — | — | £55k | — | — | 1 |
Current ratio0.59Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £92,228 at 31 December 2025
- Net assets up 10% or more on the prior period+80.5% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.59
- Incorporated two to five years agoIncorporated 25 July 2022
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.
07
Timeline
- Next accounts duein 340 days
- Confirmation statement duein 287 days
- Accounts period endNet assets £92k · micro accounts
- Accounts period endNet assets £51k · micro accounts
- Incorporated
08
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All companies incorporated on 25 July 2022 · in Jul 2022.
09
Reminders for SERENOX LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.