−£4,221
vs Mar 2024Active10702746Private limited companyNewport
MJ RAIL & CONSTRUCTION SERVICES LTD
Significant control: Mark Libby (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Mj Rail & Construction Services Ltd sell?
Registered activity: Construction of railways and underground railways (SIC 42120). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MJ RAIL & CONSTRUCTION SERVICES LTD is an active private limited company (company number 10702746) incorporated on 31 March 2017, registered in Newport. Its registered activity is construction of railways and underground railways (SIC 42120). Latest small accounts cover the period ending 31 March 2025, showing net assets of −£4,221 and cash of £0, with 1 employee on average. Net assets fell 84% on the prior period (−£2,288).
Peer position · net assets
By net assets it sits in the bottom quarter of 78 comparable companies in Cardiff (median £4,133, upper quartile £12k).
02
Ownership and control
- Mr Mark Libby
- 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
- 31 March 20179 yrs ago
- Next accounts due
- 31 December 2026in 67 days
- Confirmation statement due
- 14 April 2027in 171 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 42120
- Construction of railways and underground railways
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£0
−100%vs Mar 2024Not reported
1
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£4,221 | £0 | £11k | £15k | — | — | 1 |
| 31 March 2024 | −£2,288 | £1 | £6,757 | £14k | — | — | 1 |
Current ratio0.72Current assets ÷ creditors within one year
Cash per employee£0Cash ÷ 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 £-4,221 at 31 March 2025
- Net assets down 25% or more on the prior period-84.5% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.72
- Incorporated five or more years agoIncorporated 31 March 2017
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 171 days
- Next accounts duein 67 days
- Accounts period endNet liabilities £4,221 · small accounts
- Accounts period endNet liabilities £2,288 · small accounts
- Incorporated
08
Similar companies in Cardiff
- RIFORM LIMITEDMerthyr Tydfil · inc. Mar 2017
- NIGEL MORGAN RAIL LTDBarry · inc. Apr 2017
- G HEWER LIMITEDCardiff · inc. Apr 2017
- FOSTERS RAILWAYS LTDPorth · inc. May 2017
- ACTION RAIL CIVICS LIMITEDCardiff · inc. May 2017
- PROTECH RAIL & CIVIL ENGINEERING LTDAbercynon · inc. Jan 2017
All companies incorporated on 31 March 2017 · in Mar 2017.
09
Reminders for MJ RAIL & CONSTRUCTION SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.