£229k
+15%vs Oct 2024Active08267234Private limited companyThorpe Bay
MARMUS LIMITED
Significant control: Debra Susan Slack (25–50%), Graham Stuart Slack (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Engineering related scientific and technical consulting activities (SIC 71122). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARMUS LIMITED is an active private limited company (company number 08267234) incorporated on 24 October 2012, registered in Thorpe Bay. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest small accounts cover the period ending 31 October 2025, showing net assets of £229k and cash of £224k, with 9 employees on average. Net assets rose 15% on the prior period (£199k).
Peer position · net assets
By net assets it sits in the top quarter of 290 comparable companies in Essex (median £11k, upper quartile £47k).
02
Ownership and control
- Mrs Debra Susan Slack
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Graham Stuart Slack
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 24 October 201213 yrs ago
- Next accounts due
- 31 July 2027in 281 days
- Confirmation statement due
- 7 November 2026in 15 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£224k
+185%vs Oct 2024Not reported
9
+13%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £229k | £224k | £68k | £124k | — | — | 9 |
| 31 October 2024 | £199k | £78k | £125k | £74k | — | — | 8 |
Current ratio2.34Current assets ÷ creditors within one year
Cash per employee£25kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £228,792 at 31 October 2025
- Net assets up 10% or more on the prior period+14.8% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.34
- Cash at bank of £50,000 or moreCash £223,824
- Incorporated five or more years agoIncorporated 24 October 2012
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 281 days
- Confirmation statement duein 15 days
- Accounts period endNet assets £229k · small accounts
- Accounts period endNet assets £199k · small accounts
- Incorporated
08
Similar companies in Essex
- H & H FIRE SYSTEMS LIMITEDLeigh On Sea · inc. Dec 2012
- BARICANE LIMITEDBishop'S Stortford · inc. Aug 2012
- INFINITY TRAINING AND ASSESSING LTDManningtree · inc. Jan 2013
- THS CONCEPTS LIMITEDRochford · inc. Feb 2013
- IC OFFSHORE SERVICES LIMITEDSudbury · inc. Jun 2012
- CATHODIC CORROSION CONTROL LIMITEDColchester · inc. Mar 2013
All companies incorporated on 24 October 2012 · in Oct 2012.
09
Reminders for MARMUS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.