−£28k
vs Dec 2024Active11820740Private limited companyLondon
MARTENUK ENGINEERING LTD
Significant control: Muslum Durmaz (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Management consultancy activities other than financial management (SIC 70229). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARTENUK ENGINEERING LTD is an active private limited company (company number 11820740) incorporated on 12 February 2019, registered in London. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest small accounts cover the period ending 31 December 2025, showing net assets of −£28k and cash of £391, with 1 employee on average. Net assets fell 128% on the prior period (−£12k). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the bottom quarter of 31,398 comparable companies in London (median £2,815, upper quartile £34k).
02
Ownership and control
- Mr Muslum Durmaz
- owns 75–100% of shares
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
- 12 February 20197 yrs ago
- Next accounts due
- 30 September 2027in 342 days
- Confirmation statement due
- 26 February 2027in 126 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 70229
- Management consultancy activities other than financial management
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 71129
- Other engineering activities
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£391
No changevs Dec 2024Not reported
1
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | −£28k | £391 | £39k | £39k | — | — | 1 |
| 31 December 2024 | −£12k | £391 | £39k | £37k | — | — | 1 |
| 31 December 2023 | £1,950 | £391 | £39k | £36k | — | — | 1 |
Current ratio1Current assets ÷ creditors within one year
Cash per employee£391Cash ÷ 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 below zeroNet assets £-27,530 at 31 December 2025
- Net assets down 25% or more on the prior period-127.5% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 12 February 2019
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 342 days
- Confirmation statement duein 126 days
- Accounts period endNet liabilities £28k · small accounts
- Accounts period endNet liabilities £12k · small accounts
- Accounts period endNet assets £1,950 · small accounts
- Incorporated
08
Similar companies in London
- EURO ASSESSMENTS & CERTIFICATION LTDLondon · inc. Feb 2019
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- JAMSA CONSULTING LTDLondon · inc. Feb 2019
- ASF BRAZIL LTDLondon · inc. Feb 2019
- RIVERS OF NATURE LTDLondon · inc. Feb 2019
- OPENGATES AFRICA LTDLondon · inc. Feb 2019
All companies incorporated on 12 February 2019 · in Feb 2019.
09
Reminders for MARTENUK ENGINEERING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.