JB CONSTRUCTION (CARDIFF) LIMITED
Significant control: John Mcdonagh (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Jb Construction (Cardiff) Limited sell?
Registered activity: Construction of other civil engineering projects n.e.c. (SIC 42990). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
JB CONSTRUCTION (CARDIFF) LIMITED is an active private limited company (company number 09018974) incorporated on 30 April 2014, registered in Cardiff. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Latest micro accounts cover the period ending 31 March 2026, showing net assets of £44k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 25% on the prior period (£35k).
By net assets it sits in the upper half of 259 comparable companies in Cardiff (median £23k, upper quartile £173k).
Ownership and control
- Mr John Mcdonagh
- 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.
Key dates
- Incorporated
- 30 April 201412 yrs ago
- Next accounts due
- 31 December 2027in 431 days
- Confirmation statement due
- 14 May 2027in 200 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 42990
- Construction of other civil engineering projects n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £44k | — | — | — | — | — | 2 |
| 31 March 2025 | £35k | — | — | — | — | — | 2 |
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.
Filing and accounts signals
- Net assets above zeroNet assets £43,673 at 31 March 2026
- Net assets up 10% or more on the prior period+25.5% vs prior period
- Incorporated five or more years agoIncorporated 30 April 2014
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.
Timeline
- Next accounts duein 431 days
- Confirmation statement duein 200 days
- Accounts period endNet assets £44k · micro accounts
- Accounts period endNet assets £35k · micro accounts
- Incorporated
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- WHITELINES PAINTING SOLUTIONS LTDMid Glam · inc. May 2014
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- G.A.J RAIL LTDTredegar · inc. Apr 2014
- K L GROUNDWORKS LIMITEDTredegar · inc. Apr 2014
All companies incorporated on 30 April 2014 · in Apr 2014.
Reminders for JB CONSTRUCTION (CARDIFF) LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.