£4.10m
+10%vs Oct 2024Active02753492Private limited companyBromsgrove
AIR TECHNOLOGY SYSTEMS LIMITED
Significant control: Stephen John Boon (50–75%), Caroline Hill (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Technology Systems 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
AIR TECHNOLOGY SYSTEMS LIMITED is an active private limited company (company number 02753492) incorporated on 6 October 1992, registered in Bromsgrove. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest group accounts cover the period ending 31 October 2025, showing net assets of £4.10m and cash of £1.90m, with 92 employees on average. Net assets rose 10% on the prior period (£3.72m).
Peer position · net assets
By net assets it sits in the top quarter of 1,429 comparable companies in Birmingham (median £3,724, upper quartile £23k).
02
Ownership and control
- Mr Stephen John Boon
- owns 50–75% of shares
- holds 50–75% of voting rights
- Caroline Hill
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 6 October 199234 yrs ago
- Next accounts due
- 31 July 2027in 277 days
- Confirmation statement due
- 20 October 2027in 358 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
- Group
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.90m
+58%vs Oct 2024Not reported
92
+3%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £4.10m | £1.90m | £5.39m | £4.47m | — | £786k | 92 |
| 31 October 2024 | £3.72m | £1.20m | £3.88m | £2.61m | — | £660k | 89 |
| 31 October 2023 | — | — | — | — | — | — | — |
Current ratio1.75Current assets ÷ creditors within one year
Cash per employee£21kCash ÷ 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 £4,097,786 at 31 October 2025
- Net assets up 10% or more on the prior period+10.1% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.75
- Cash at bank of £50,000 or moreCash £1,898,687
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 6 October 1992
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 358 days
- Next accounts duein 277 days
- Accounts period endNet assets £4.10m · group accounts
- Accounts period endNet assets £3.72m · group accounts
- Accounts period end
- Incorporated
08
Similar companies in Birmingham
- COOL-THERM (UK) LIMITEDWalsall · inc. Oct 1992
- HOMESERVE MEMBERSHIP LIMITEDinc. Dec 1992
- A.S. CONTRACTS LIMITEDBirmingham · inc. Jan 1993
- MARCH BUILDING SERVICES LIMITEDSutton Coldfield · inc. Feb 1993
- EXPRESS VENTILATION SERVICES LIMITEDWednesfield · inc. Mar 1992
- BRITANNIA SERVICES (UK) LIMITEDLichfield · inc. Jun 1993
All companies incorporated on 6 October 1992 · in Oct 1992.
09
Reminders for AIR TECHNOLOGY SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.