# MARTENUK ENGINEERING LTD (11820740)

> 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.

- Status: Active
- Incorporated: 2019-02-12
- Registered office: London, N3 2LN
- 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.
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-02-26
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the bottom quarter of 31,398 comparable companies in London (median £2,815, upper quartile £34k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | −£28k | £391 | £39k | £39k | — | — | 1 |
| 2024-12-31 | −£12k | £391 | £39k | £37k | — | — | 1 |
| 2023-12-31 | £1,950 | £391 | £39k | £36k | — | — | 1 |

current ratio 1; net assets trend falling; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets below zero: Net 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 record: 3 periods on record
- Incorporated five or more years ago: Incorporated 12 February 2019

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Muslum Durmaz — owns 75–100% of shares, since 2019-02-12

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/11820740
HTML: https://firmoscan.com/company/11820740-martenuk-engineering-ltd