−£40k
vs Jan 2025Active11137401Private limited companyHemel Hempstead
COSTAMARTINA LTD
Significant control: Aurel Ionut Costea (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Costamartina Ltd sell?
Registered activity: Other specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
COSTAMARTINA LTD is an active private limited company (company number 11137401) incorporated on 8 January 2018, registered in Hemel Hempstead. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest small accounts cover the period ending 31 January 2026, showing net assets of −£40k and cash of £14, with 2 employees on average. Net assets rose 54% on the prior period (−£86k). 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 6,076 comparable companies in Other (median £7,848, upper quartile £60k).
02
Ownership and control
- Mr Aurel Ionut Costea
- owns 75–100% of shares
- holds 75–100% 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
- 8 January 20188 yrs ago
- Next accounts due
- 31 October 2027in 369 days
- Confirmation statement due
- 22 January 2027in 87 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- SIC 49410
- Freight transport by road
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£14
+250%vs Jan 2025Not reported
2
−33%vs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | −£40k | £14 | £0 | £40k | — | — | 2 |
| 31 January 2025 | −£86k | £4 | £1,040 | £88k | £61k | −£26k | 3 |
| 31 January 2024 | −£60k | £81 | — | £61k | £51k | −£66k | 4 |
Current ratio0Current assets ÷ creditors within one year
Cash per employee£7Cash ÷ 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 £-39,655 at 31 January 2026
- Net assets up 10% or more on the prior period+54.1% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.0
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 8 January 2018
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 369 days
- Confirmation statement duein 87 days
- Accounts period endNet liabilities £40k · small accounts
- Accounts period endNet liabilities £86k · small accounts
- Accounts period endNet liabilities £60k · small accounts
- Incorporated
08
Similar companies in the UK
- DRC UTILITIES LIMITEDBangor · inc. Jan 2018
- 3G CARPENTRY LIMITEDCheltenham · inc. Jan 2018
- KINGSTON CONTROL SYSTEMS LIMITEDHull · inc. Jan 2018
- TEAM DOLLY (2018) LTDHemel Hempstead · inc. Jan 2018
- SW LUNNON CONSTRUCTION LTDDarlington · inc. Jan 2018
- PAYTON LTDNorwich · inc. Jan 2018
All companies incorporated on 8 January 2018 · in Jan 2018.
09
Reminders for COSTAMARTINA LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.