£15k
−50%vs Jan 2025ActiveNI674641Private limited companyKilkeel
O'REILLY MECHANICAL INSTALLATIONS LTD
Significant control: Deaglan O'Reilly (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 O'Reilly Mechanical Installations 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
O'REILLY MECHANICAL INSTALLATIONS LTD is an active private limited company (company number NI674641) incorporated on 1 December 2020, registered in Kilkeel. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 January 2026, showing net assets of £15k and cash of £2,601, with 2 employees on average. Net assets fell 50% on the prior period (£31k). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the lower half of 429 comparable companies in Belfast (median £18k, upper quartile £81k).
02
Ownership and control
- Deaglan O'Reilly
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Mr Deaglan O'Reilly
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
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
- 1 December 20205 yrs ago
- Next accounts due
- 31 October 2027in 371 days
- Confirmation statement due
- 15 December 2026in 51 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
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£2,601
−84%vs Jan 2025Not reported
2
No changevs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £15k | £2,601 | £12k | — | — | — | 2 |
| 31 January 2025 | £31k | £16k | £9,163 | — | — | — | 2 |
| 31 January 2024 | £49k | £13k | £28k | — | — | — | 2 |
Cash per employee£1,300Cash ÷ 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 £15,474 at 31 January 2026
- Net assets down 25% or more on the prior period-50.0% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 1 December 2020
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
- Next accounts duein 371 days
- Confirmation statement duein 51 days
- Accounts period endNet assets £15k · small accounts
- Accounts period endNet assets £31k · small accounts
- Accounts period endNet assets £49k · small accounts
- Incorporated
08
Similar companies in Belfast
- CHILL GAS LTDBelfast · inc. Dec 2020
- COR MAC PLUMBING AND HEATING LTDNewry · inc. Nov 2020
- EF PLUMBING & HEATING LTDLisburn · inc. Oct 2020
- RATHCARN PLUMBING & HEATING LTDMaghera · inc. Jan 2021
- MKL PLUMBING AND HEATING LTDLimavady · inc. Oct 2020
- EMD BOILER SERVICES LTDLondonderry · inc. Jan 2021
All companies incorporated on 1 December 2020 · in Dec 2020.
09
Reminders for O'REILLY MECHANICAL INSTALLATIONS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.