−£10k
−218%vs Mar 2025Active09957040Private limited companyBorehamwood
MARIOM CONSTRUCTION LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
MARIOM CONSTRUCTION LTD is an active private limited company (company number 09957040) incorporated on 18 January 2016, registered in Borehamwood. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest micro accounts cover the period ending 31 March 2026, showing net assets of −£10k, 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 218% on the prior period (£8,866). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the bottom quarter of 4,726 comparable companies in Greater London (median £5,286, upper quartile £35k).
02
Key dates
- Incorporated
- 18 January 201610 yrs ago
- Next accounts due
- 31 December 2027in 435 days
- Confirmation statement due
- 1 February 2027in 102 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
1
No changevs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | −£10k | — | — | — | — | — | 1 |
| 31 March 2025 | £8,866 | — | — | — | — | — | 1 |
| 31 March 2024 | £5,387 | — | — | — | — | — | 1 |
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.
05
Filing and accounts signals
- Net assets below zeroNet assets £-10,459 at 31 March 2026
- Net assets down 25% or more on the prior period-218.0% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 18 January 2016
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Mr Mariusz Piotr Mazur
- 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.
07
Timeline
- Next accounts duein 435 days
- Confirmation statement duein 102 days
- Accounts period endNet liabilities £10k · micro accounts
- Accounts period endNet assets £8,866 · micro accounts
- Accounts period endNet assets £5,387 · micro accounts
- Incorporated
08
Similar companies in Greater London
- SEA CONTRACTS LTDBarking · inc. Jan 2016
- KROWN BUILDERS LTDRomford · inc. Jan 2016
- SOUTHERN DOOR AUTOMATION LTDShepperton · inc. Jan 2016
- DONAL LYNCH LTDMitcham · inc. Jan 2016
- VAKIS ENERGY LIMITEDPotters Bar · inc. Jan 2016
- SABINUS BUILDING SERVICES LTDRuislip · inc. Jan 2016
All companies incorporated on 18 January 2016 · in Jan 2016.
09
Reminders for MARIOM CONSTRUCTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.