£152k
+2905%vs Jul 2024ActiveNI671144Private limited companyTrillick
DH MECHANICAL & VENTILATION LTD
Significant control: Damien Hannigan (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Dh Mechanical & Ventilation 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
DH MECHANICAL & VENTILATION LTD is an active private limited company (company number NI671144) incorporated on 20 July 2020, registered in Trillick. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 July 2025, showing net assets of £152k and cash of £223k, with 8 employees on average. Net assets rose 2905% on the prior period (£5,052).
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 Damien Hannigan
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 20 July 20206 yrs ago
- Next accounts due
- 30 April 2027in 188 days
- Confirmation statement due
- 3 August 2027in 283 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
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£223k
+1241%vs Jul 2024Not reported
8
No changevs Jul 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 July 2025 | £152k | £223k | £205k | £345k | — | — | 8 |
| 31 July 2024 | £5,052 | £17k | £142k | £154k | — | — | 8 |
Current ratio1.24Current assets ÷ creditors within one year
Cash per employee£28kCash ÷ 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 £151,796 at 31 July 2025
- Net assets up 10% or more on the prior period+2904.7% vs prior period
- Cash at bank of £50,000 or moreCash £222,533
- Incorporated five or more years agoIncorporated 20 July 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
- Confirmation statement duein 283 days
- Next accounts duein 188 days
- Accounts period endNet assets £152k · small accounts
- Accounts period endNet assets £5,052 · small accounts
- Incorporated
08
Similar companies in Belfast
- NI LEAKY FINDERS LTDBallymena · inc. Jul 2020
- NI MECHANICAL LTDCastlewellan · inc. Aug 2020
- TKBINI LTDNewtownabbey · inc. Aug 2020
- BC PLUMBING & HEATING CONTRACTS LTDMagherafelt · inc. Jun 2020
- NI PLUMBING SERVICES LTDBallymena · inc. Jun 2020
- OAKLEAF MECHANICAL LIMITEDMagherafelt · inc. Jun 2020
All companies incorporated on 20 July 2020 · in Jul 2020.
09
Reminders for DH MECHANICAL & VENTILATION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.