−£36k
vs Mar 2024Active06550432Private limited companyLondon
JOHN O'BRIEN CONSTRUCTION LTD
Significant control: John O'Brien (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JOHN O'BRIEN CONSTRUCTION LTD is an active private limited company (company number 06550432) incorporated on 1 April 2008, registered in London. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 31 March 2025, showing net assets of −£36k and cash of £15k, with 1 employee on average. Net assets rose 51% on the prior period (−£74k).
Peer position · net assets
By net assets it sits in the bottom quarter of 12,682 comparable companies in London (median £413, upper quartile £73k).
02
Ownership and control
- Mr John O'Brien
- owns 75–100% of shares
- holds 75–100% 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
- 1 April 200818 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 15 April 2027in 174 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41100
- Development of building projects
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£15k
+566%vs Mar 2024Not reported
1
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£36k | £15k | — | £95k | — | — | 1 |
| 31 March 2024 | −£74k | £2,320 | — | £139k | — | — | 1 |
Current ratio0.16Current assets ÷ creditors within one year
Cash per employee£15kCash ÷ 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 £-36,296 at 31 March 2025
- Net assets up 10% or more on the prior period+51.2% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.16
- Incorporated five or more years agoIncorporated 1 April 2008
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
- Confirmation statement duein 174 days
- Next accounts duein 69 days
- Accounts period endNet liabilities £36k · small accounts
- Accounts period endNet liabilities £74k · small accounts
- Incorporated
08
Similar companies in London
- LENDLEASE BLUEWATER LIMITEDLondon · inc. Apr 2008
- HIGHFIELD ASSESSORS LIMITEDLondon · inc. Mar 2008
- 4MA LIMITEDLondon · inc. Mar 2008
- CAYMAN HOMES (LAUNCESTON) LIMITEDLondon · inc. Apr 2008
- RST POOLE LIMITEDLondon · inc. Apr 2008
- KMS (NO 1) DEVELOPMENTS LIMITEDLondon · inc. Apr 2008
All companies incorporated on 1 April 2008 · in Apr 2008.
09
Reminders for JOHN O'BRIEN CONSTRUCTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.