£40k
−24%vs Nov 2024Active08784578Private limited companyLondon
GREYLON LIMITED
Significant control: Salman Valibeik (25–50%), Bjoern Rennhak (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Greylon Limited sell?
Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
GREYLON LIMITED is an active private limited company (company number 08784578) incorporated on 21 November 2013, registered in London. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 30 November 2025, showing net assets of £40k, 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 fell 24% on the prior period (£52k). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the upper half of 654 comparable companies in London (median £101, upper quartile £41k).
02
Ownership and control
- Dr Salman Valibeik
- owns 25–50% of shares
- owns 25–50% of shares
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Bjoern Rennhak
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Bjoern Rennhak
- 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
- 21 November 201312 yrs ago
- Next accounts due
- 30 August 2027in 311 days
- Confirmation statement due
- 5 December 2026in 43 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
−50%vs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £40k | — | — | £93k | — | — | 1 |
| 30 November 2024 | £52k | — | — | £22k | — | — | 2 |
| 30 November 2023 | £98k | — | — | £10k | — | — | 2 |
Current ratio1.99Current 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 £39,791 at 30 November 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.99
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 21 November 2013
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 311 days
- Confirmation statement duein 43 days
- Accounts period endNet assets £40k · micro accounts
- Accounts period endNet assets £52k · micro accounts
- Accounts period endNet assets £98k · micro accounts
- Incorporated
08
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All companies incorporated on 21 November 2013 · in Nov 2013.
09
Reminders for GREYLON LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.