£91k
+12%vs Feb 2025Active12437826Private limited companyAbergavenny
GAS MARK ONE LIMITED
Significant control: Mark Barrier (25–50%), Zoe Barrier (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Gas Mark One Limited sell?
Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
GAS MARK ONE LIMITED is an active private limited company (company number 12437826) incorporated on 3 February 2020, registered in Abergavenny. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 28 February 2026, showing net assets of £91k, 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 12% on the prior period (£82k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).
02
Ownership and control
- Mr Mark Barrier
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mrs Zoe Barrier
- owns 25–50% of shares
- holds 25–50% 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
- 3 February 20206 yrs ago
- Next accounts due
- 28 November 2027in 398 days
- Confirmation statement due
- 17 February 2027in 114 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
−33%vs Feb 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | £91k | — | — | £47k | — | — | 2 |
| 28 February 2025 | £82k | — | — | £32k | — | — | 3 |
| 29 February 2024 | £66k | — | — | £23k | — | — | 3 |
Current ratio1.96Current assets ÷ creditors within one year
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.
06
Filing and accounts signals
- Net assets above zeroNet assets £91,330 at 28 February 2026
- Net assets up 10% or more on the prior period+11.9% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.96
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 3 February 2020
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 398 days
- Confirmation statement duein 114 days
- Accounts period endNet assets £91k · micro accounts
- Accounts period endNet assets £82k · micro accounts
- Accounts period endNet assets £66k · micro accounts
- Incorporated
08
Similar companies in Cardiff
- LEEAIR CONDITIONING & REFRIGERATION LIMITEDNewport · inc. Feb 2020
- BATHE LTDCardiff · inc. Jan 2020
- PRESTIGE HEATING AND VENTILATION LTDCardiff · inc. Jan 2020
- CJ PLUMBING & HEATING LONDON LIMITEDCardiff · inc. Jan 2020
- ELANKAY HEATCARE LTDBlaenavon · inc. Jan 2020
- A.B PAYNE LTDNewport · inc. Dec 2019
All companies incorporated on 3 February 2020 · in Feb 2020.
09
Reminders for GAS MARK ONE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.