£300k
+6%vs Mar 2024Active01783555Private limited companyBarry
DOOR MAINTENANCE CO. LIMITED
Significant control: Door Maintenance Group Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Door Maintenance Co. Limited sell?
Registered activity: Manufacture of doors and windows of metal (SIC 25120). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
DOOR MAINTENANCE CO. LIMITED is an active private limited company (company number 01783555) incorporated on 17 January 1984, registered in Barry. Its registered activity is manufacture of doors and windows of metal (SIC 25120). Latest small accounts cover the period ending 31 March 2025, showing net assets of £300k and cash of £4,148, with 40 employees on average. Net assets rose 6% on the prior period (£282k).
Peer position · net assets
By net assets it sits in the top quarter of 1,042 comparable companies in the UK (median £8,316, upper quartile £95k).
02
Ownership and control
- Door Maintenance Group Limited
- owns 75–100% of shares
- can appoint or remove directors
- Mr John Patrick O'Sullivan
- has significant influence or control
- Mr John Patrick O'Sullivan
- has significant influence or control
- Mr Andrew James Mackie
- 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 January 198442 yrs ago
- Next accounts due
- 31 December 2026in 64 days
- Confirmation statement due
- 31 January 2027in 95 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 25120
- Manufacture of doors and windows of metal
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£4,148
−96%vs Mar 2024Not reported
40
+18%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £300k | £4,148 | £1.23m | — | — | — | 40 |
| 31 March 2024 | £282k | £104k | £924k | — | — | — | 34 |
Cash per employee£104Cash ÷ 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 £299,838 at 31 March 2025
- Incorporated five or more years agoIncorporated 17 January 1984
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 95 days
- Next accounts duein 64 days
- Accounts period endNet assets £300k · small accounts
- Accounts period endNet assets £282k · small accounts
- Incorporated
08
Similar companies in Cardiff
- CARDIFF GLASS LIMITEDCardiff · inc. Jan 1985
- CARREG FAWR DEVELOPMENTS LIMITEDCwmbran · inc. Feb 1988
- HARLECH INDUSTRIAL DOORS LIMITEDBarry · inc. Jul 1977
- ALUK (GB) LIMITEDChepstow · inc. Dec 1993
- UNI-DOR LIMITEDPenarth · inc. Sept 1995
- R.P.M. SHOPFRONT MANUFACTURERS LIMITEDBrynmenyn · inc. Sept 1970
All companies incorporated on 17 January 1984 · in Jan 1984.
09
Reminders for DOOR MAINTENANCE CO. LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.