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Data / UK companies / Plumbing, heat and air-conditioning installation / Northern Ireland

Plumbing, heat and air-conditioning installation companies in Northern Ireland: 743 live companies

Updated November 7, 2026. Source: Companies House Free Company Data Product.

743 live companies in Northern Ireland list SIC code 43220, plumbing, heat and air-conditioning installation, in the Companies House snapshot dated 1 November 2026. 85 were incorporated in the last 12 months and 29 have an accounts due date that had passed.

The request: Every company in Northern Ireland with SIC code 43220, plumbing, heat and air-conditioning installation, incorporated since 2025, with registered address and accounts due dates. $10 of work on sign-up, no card.

Get plumbing, heat and air-conditioning installation companies in Northern IrelandWatch new plumbing, heat and air-conditioning installation incorporations in Northern Ireland

SpecStream is the live web data engine for teams and agents. It reads the Companies House free company data every month, and this page is that reading. Ask for the companies you track by industry, place or incorporation date and each new company, strike off proposal or overdue accounts date arrives in your sheet, CRM, Slack or agent.

  • 743Live companies
  • 85Incorporated in the last 12 months
  • 29Accounts overdue
  • 52Strike off proposed

Incorporations per year

Companies incorporated in each year that are still live in the 1 November 2026 snapshot. Companies that closed earlier are not counted, so older years read low.

Year incorporatedLive companies
202246
202356
202446
202579
2026 so far72

Towns

TownLive companies
Belfast137
Newry82
Londonderry34
Dungannon33
Craigavon32
Ballymena26
Newtownards23
Omagh22
Armagh21
Newtownabbey18
Lisburn17
Magherafelt16
Coleraine15
Cookstown15
Downpatrick15
Derry14
Ballyclare13
Castlewellan12
Enniskillen11
Larne11
Ballynahinch9
Banbridge9
Newcastle9
Strabane9
Bangor8

Newest plumbing, heat and air-conditioning installation companies in Northern Ireland

Newest first. Each row links to the Companies House record.

CompanyNumberIncorporatedTownAccounts dueStatusSource
Hoey Engineering UK LimitedNI74485627 October 2026Lisnaskea27 July 2028Activefind-and-update.company-information.service.gov.uk
Heat Co Belfast LtdNI74473722 October 2026Belfast22 July 2028Activefind-and-update.company-information.service.gov.uk
Johnson Mechanical Services LtdNI74464120 October 2026Londonderry20 July 2028Activefind-and-update.company-information.service.gov.uk
AM2 Servicing LtdNI74449813 October 2026Newry13 July 2028Activefind-and-update.company-information.service.gov.uk
Plumbing and Electrical NI LimitedNI74442110 October 2026Belfast10 July 2028Activefind-and-update.company-information.service.gov.uk
Jr Mechanical LtdNI7443608 October 2026Belfast8 July 2028Activefind-and-update.company-information.service.gov.uk
Plumb Electric LtdNI7442494 October 2026Enniskillen4 July 2028Activefind-and-update.company-information.service.gov.uk
Priority Gas & Plumbing NI LtdNI74412829 September 2026Belfast29 June 2028Activefind-and-update.company-information.service.gov.uk
Collins MEP UK LtdNI74401324 September 2026Bangor24 June 2028Activefind-and-update.company-information.service.gov.uk
Ards Comber Boiler Services LimitedNI74393422 September 2026Newtownards22 June 2028Activefind-and-update.company-information.service.gov.uk
AJC GRP LtdNI74386818 September 2026Downpatrick18 June 2028Activefind-and-update.company-information.service.gov.uk
Roux Flow and Co LtdNI7435215 September 2026Belfast5 June 2028Activefind-and-update.company-information.service.gov.uk
Maglen Mechanical LtdNI7434943 September 2026Newry3 June 2028Activefind-and-update.company-information.service.gov.uk
DJH Boiler Services (2026) LtdNI74329927 August 2026Newtownards27 May 2028Activefind-and-update.company-information.service.gov.uk
BER Plumbing & Heating LtdNI74329226 August 2026Craigavon26 May 2028Activefind-and-update.company-information.service.gov.uk
Boiler Pro N.I. LtdNI74322325 August 2026Belfast25 May 2028Activefind-and-update.company-information.service.gov.uk
Glenroe Integrated Services LtdNI74310719 August 2026Londonderry19 May 2028Activefind-and-update.company-information.service.gov.uk
Mallon Plumbing & Gas LtdNI74307218 August 2026Newry18 May 2028Activefind-and-update.company-information.service.gov.uk
East Coast Cooling LtdNI74299514 August 2026Newcastle14 May 2028Activefind-and-update.company-information.service.gov.uk
SFM Plumbing LimitedNI7427125 August 2026Keady5 May 2028Activefind-and-update.company-information.service.gov.uk
Acesof LtdNI74257229 July 2026Coleraine29 April 2028Activefind-and-update.company-information.service.gov.uk
MCQ Plumbing and Heating LtdNI74244324 July 2026Derry24 April 2028Activefind-and-update.company-information.service.gov.uk
Bathroom Fitouts NI LtdNI74242924 July 2026Belfast24 April 2028Activefind-and-update.company-information.service.gov.uk
Andrews Sheet Metal Works LtdNI74233721 July 2026Belfast21 April 2028Activefind-and-update.company-information.service.gov.uk
Aqualux Ireland LtdNI7419763 July 2026Downpatrick3 April 2028Activefind-and-update.company-information.service.gov.uk
Acton Mechanical LimitedNI7419713 July 2026Newry3 April 2028Activefind-and-update.company-information.service.gov.uk
CSP Mechanical LtdNI74178328 June 2026Londonderry28 March 2028Activefind-and-update.company-information.service.gov.uk
GG Vent LtdNI74172325 June 2026Carrickfergus25 March 2028Activefind-and-update.company-information.service.gov.uk
Altnadue Mechanical Services LtdNI74153718 June 2026Newcastle18 March 2028Activefind-and-update.company-information.service.gov.uk
Collins Mechanical LimitedNI74134310 June 2026Craigavon10 March 2028Activefind-and-update.company-information.service.gov.uk
MPD Plumbing & Mechanical LtdNI7410411 June 2026Dungannon1 March 2028Activefind-and-update.company-information.service.gov.uk
Surehomeni LtdNI7410341 June 2026Craigavon1 March 2028Activefind-and-update.company-information.service.gov.uk
Suredry-NI LimitedNI74100729 May 2026Ballymena29 February 2028Activefind-and-update.company-information.service.gov.uk
Stephen Davidson Gas Engineer LtdNI74064014 May 2026Belfast14 February 2028Activefind-and-update.company-information.service.gov.uk
Gilnahirk Boiler Services LtdNI7404347 May 2026Newtownards7 February 2028Activefind-and-update.company-information.service.gov.uk
CB Gas Services LtdNI7402581 May 2026Holywood1 February 2028Activefind-and-update.company-information.service.gov.uk
S Cullen Plumbing LtdNI73998222 April 2026Dungannon22 January 2028Activefind-and-update.company-information.service.gov.uk
MG Gas N.I LtdNI73989217 April 2026Belfast17 January 2028Activefind-and-update.company-information.service.gov.uk
Quick Plumber Services LimitedNI73985816 April 2026Belfast16 January 2028Activefind-and-update.company-information.service.gov.uk
NPH Heating and Plumbing LtdNI73974514 April 2026Larne14 January 2028Activefind-and-update.company-information.service.gov.uk
Quiki-Leaks LimitedNI73965810 April 2026Newtownards10 January 2028Activefind-and-update.company-information.service.gov.uk
3JR Properties LtdNI7396289 April 2026Belfast9 January 2028Activefind-and-update.company-information.service.gov.uk
J3R Properties LtdNI7394521 April 2026Belfast1 January 2028Activefind-and-update.company-information.service.gov.uk
Steven Davis Plumbing LtdNI73933830 March 2026Ballymena30 December 2027Activefind-and-update.company-information.service.gov.uk
Direct Mechanical Services (2026) LtdNI73911324 March 2026Belfast24 December 2027Activefind-and-update.company-information.service.gov.uk
Uzel Builders LtdNI73895819 March 2026Holywood19 December 2027Activefind-and-update.company-information.service.gov.uk
B McVeigh Mechanical LtdNI73891118 March 2026Castlewellan18 December 2027Activefind-and-update.company-information.service.gov.uk
Central Core LimitedNI73883716 March 2026Ballyclare16 December 2027Activefind-and-update.company-information.service.gov.uk
Mastercraft Plumbing LimitedNI73873212 March 2026Larne12 December 2027Strike off proposedfind-and-update.company-information.service.gov.uk
Quigley Plumbing N.I. LtdNI73866010 March 2026Belfast10 December 2027Activefind-and-update.company-information.service.gov.uk

Contains public sector information licensed under the Open Government Licence v3.0. Counts are of live companies in the Companies House snapshot dated 1 November 2026. The snapshot holds basic company data only: no officers and no persons with significant control. A company is counted under each SIC code it lists, up to four. A region is the part of the UK a postcode area mostly falls in. This page uses Companies House data and is not endorsed by Companies House. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.