£746k
+17%vs May 2024Active03435101Private limited companyAston
AIR COOL ENGINEERING (N.I.) LTD.
Significant control: Martin Mullan (50–75%), Kevin Mcleod (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Air Cool Engineering (N.I.) Ltd. 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
AIR COOL ENGINEERING (N.I.) LTD. is an active private limited company (company number 03435101) incorporated on 17 September 1997, registered in Aston. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 May 2025, showing net assets of £746k and cash of £186k, with 28 employees on average. Net assets rose 17% on the prior period (£635k).
Peer position · net assets
By net assets it sits in the top quarter of 470 comparable companies in Hertfordshire (median £5,064, upper quartile £27k).
02
Ownership and control
- Mr Martin Mullan
- owns 50–75% of shares
- Mr Kevin Mcleod
- owns 25–50% of shares
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
- 17 September 199729 yrs ago
- Next accounts due
- 28 February 2027in 127 days
- Confirmation statement due
- 1 October 2027in 342 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
- SIC 96090
- Other service activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£186k
−9%vs May 2024Not reported
28
+12%vs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £746k | £186k | £926k | £639k | — | — | 28 |
| 31 May 2024 | £635k | £205k | £614k | £460k | — | — | 25 |
Current ratio1.86Current assets ÷ creditors within one year
Cash per employee£6,657Cash ÷ 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 above zeroNet assets £745,766 at 31 May 2025
- Net assets up 10% or more on the prior period+17.5% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.86
- Cash at bank of £50,000 or moreCash £186,406
- Incorporated five or more years agoIncorporated 17 September 1997
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 342 days
- Next accounts duein 127 days
- Accounts period endNet assets £746k · small accounts
- Accounts period endNet assets £635k · small accounts
- Incorporated
08
Similar companies in Hertfordshire
- AMBERSLEY LIMITEDShefford · inc. Jul 1997
- ABBOTT STOVES & COOKERS LIMITEDGreat Amwell · inc. Jun 1997
- C G PLUMBING & HEATING LIMITEDHertfordshire · inc. Jun 1997
- P & P SERVICES (WARE) LIMITEDWare · inc. Apr 1997
- S.J. THOMPSON (BUILDERS) LIMITEDHitchin · inc. Feb 1997
- RFT HEATING LIMITEDHertford Heath · inc. Jan 1999
All companies incorporated on 17 September 1997 · in Sept 1997.
09
Reminders for AIR COOL ENGINEERING (N.I.) LTD.
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.