£186k
+20%vs Oct 2024Active11616552Private limited companyRotherham
O2 VENTILATION SYSTEMS LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
O2 VENTILATION SYSTEMS LTD is an active private limited company (company number 11616552) incorporated on 11 October 2018, registered in Rotherham. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 October 2025, showing net assets of £186k and cash of £189k, with 1 employee on average. Net assets rose 20% on the prior period (£156k).
Peer position · net assets
By net assets it sits in the top quarter of 954 comparable companies in Sheffield (median £5,181, upper quartile £31k).
02
Key dates
- Incorporated
- 11 October 20188 yrs ago
- Next accounts due
- 31 July 2027in 282 days
- Confirmation statement due
- 25 October 2027in 368 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£189k
+41%vs Oct 2024Not reported
1
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £186k | £189k | £23k | — | — | — | 1 |
| 31 October 2024 | £156k | £134k | £37k | — | — | — | 1 |
Cash per employee£189kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Filing and accounts signals
- Net assets above zeroNet assets £186,082 at 31 October 2025
- Net assets up 10% or more on the prior period+19.5% vs prior period
- Cash at bank of £50,000 or moreCash £189,032
- Incorporated five or more years agoIncorporated 11 October 2018
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Mr Carl Parkin
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Confirmation statement duein 368 days
- Next accounts duein 282 days
- Accounts period endNet assets £186k · small accounts
- Accounts period endNet assets £156k · small accounts
- Incorporated
08
Similar companies in Sheffield
- CJS PLUMBING HEATING & MECHANICAL SERVICES LTDGainsborough · inc. Oct 2018
- RICHARDSONS BATHROOM INTERIORS LTDRotherham · inc. Oct 2018
- HOWARD PLUMBING AND HEATING SERVICES LTDGrimsby · inc. Oct 2018
- ASK 4 PLUMBING AND HEATING SERVICES LIMITEDRotherham · inc. Sept 2018
- T GREEN PLUMBING & HEATING LTDGainsborough · inc. Sept 2018
- LMC HEAT CARE LIMITEDGrimsby · inc. Oct 2018
All companies incorporated on 11 October 2018 · in Oct 2018.
09
Reminders for O2 VENTILATION SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.