£133k
+76%vs May 2024ActiveNI012645Private limited companyBelfast
NORTHERN MECHANICAL LTD
Significant control: Daniel Pearse O Neill (25–50%), Gerard Francis O Neill (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Northern Mechanical Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Northern Mechanical 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.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
NORTHERN MECHANICAL LTD is an active private limited company (company number NI012645) incorporated on 16 March 1978, registered in Belfast. 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 £133k and cash of £100k, with 5 employees on average. Net assets rose 76% on the prior period (£76k).
Peer position · net assets
By net assets it sits in the top quarter of 429 comparable companies in Belfast (median £18k, upper quartile £81k).
02
Ownership and control
- Mr Daniel Pearse O Neill
- owns 25–50% of shares
- Mr Gerard Francis O Neill
- 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
- 16 March 197848 yrs ago
- Next accounts due
- 28 February 2027in 125 days
- Confirmation statement due
- 30 March 2027in 155 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
£100k
+149%vs May 2024Not reported
5
+150%vs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £133k | £100k | £43k | £110k | — | — | 5 |
| 31 May 2024 | £76k | £40k | £20k | £77k | — | — | 2 |
Current ratio1.56Current assets ÷ creditors within one year
Cash per employee£20kCash ÷ 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 £132,706 at 31 May 2025
- Net assets up 10% or more on the prior period+75.7% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.56
- Cash at bank of £50,000 or moreCash £99,503
- Incorporated five or more years agoIncorporated 16 March 1978
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 155 days
- Next accounts duein 125 days
- Accounts period endNet assets £133k · small accounts
- Accounts period endNet assets £76k · small accounts
- Incorporated
08
Similar companies in Belfast
- B.L. REFRIGERATION & AIR CONDITIONING LIMITEDBelfast · inc. May 1978
- SHARPE VENTILATION SERVICES LIMITEDinc. Nov 1978
- BRIAN THOMPSON LIMITEDCo.Down · inc. Feb 1979
- W.J.HOGG & COMPANY LIMITEDinc. May 1979
- SHARPE MECHANICAL & ELECTRICAL SERVICES LIMITEDinc. Dec 1976
- W.G HODGEN LIMITEDBelfast · inc. Feb 1976
All companies incorporated on 16 March 1978 · in Mar 1978.
09
Reminders for NORTHERN MECHANICAL LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.