£23k
−15%vs Jun 2024Active03577752Private limited companyCardiff
AMBIENT AIR CONTROL LIMITED
Significant control: Steven Walter Marsh (25–50%), Leslie John Marsh (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Ambient Air Control 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
AMBIENT AIR CONTROL LIMITED is an active private limited company (company number 03577752) incorporated on 9 June 1998, registered in Cardiff. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £23k, 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 fell 15% on the prior period (£27k).
Peer position · net assets
By net assets it sits in the upper half of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).
02
Ownership and control
- Steven Walter Marsh
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Leslie John Marsh
- has significant influence or control
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
- 9 June 199828 yrs ago
- Next accounts due
- 30 March 2027in 155 days
- Confirmation statement due
- 23 June 2027in 240 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
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £23k | — | — | £20k | — | — | 2 |
| 30 June 2024 | £27k | — | — | £17k | — | — | 2 |
Current ratio1.87Current 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 £22,789 at 30 June 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.87
- Incorporated five or more years agoIncorporated 9 June 1998
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 240 days
- Next accounts duein 155 days
- Accounts period endNet assets £23k · micro accounts
- Accounts period endNet assets £27k · micro accounts
- Incorporated
08
Similar companies in Cardiff
- NARBETH'S MECHANICAL SERVICES LIMITEDBridgend · inc. Jul 1998
- J.D. HEATING AND PLUMBING AND MECHANICAL SERVICES LIMITEDCardiff · inc. Mar 1998
- INDUSTRIAL DUCTWORK LIMITEDNewport · inc. Jul 1997
- ESSEX PLUMBING & HEATING SERVICES LIMITEDCardiff · inc. Jul 1997
- M & M MEDICAL LIMITEDTalbot Green · inc. Feb 1997
- K S BARRY (PLUMBING & HEATING) LIMITEDSouth Glamorgan · inc. Jan 2000
All companies incorporated on 9 June 1998 · in Jun 1998.
09
Reminders for AMBIENT AIR CONTROL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.