List of Plumbers in Ireland
Last updated
There are 239 plumbers in Ireland, one in every 1,682 Irish companies. Most of them are small: two in three have one to four people, and none employs 50 people or more. Two in five of all plumbing and heating firms are based in Dublin, Cork, Swords, Naas and Navan. Below you find the largest plumbing and heating firms in Ireland, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our Irish company database or through the Company Data API.
239 companies indexed · Data counted on 4 November 2026
A live sample of the list
A live view of all 239 plumbing and heating firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | John Lawlor Plumbing & Heating LIMITED | Ireland | Carlow | Ballyhide | Carlow | N/A | *****.ie | 2015 | $632,835 | 14 | Corporation | 3 | 570319 |
| 2 | Hph Plumbing LIMITED | Ireland | Kilkenny | 14 Broguemaker'S Hill | Kilkenny | N/A | *****.ie | 2018 | $632,835 | 5 | Corporation | 3 | 634593 |
| 3 | Cathal Conlon & Company LIMITED | Ireland | Cork | 9a Ballinure Cottages | Cork | T12 Y592 | *****.ie | 1973 | $632,835 | 9 | Corporation | 2 | 40699 |
| 4 | Kiely Heating LIMITED | Ireland | Balbriggan | Bremore | Dublin | N/A | N/A | 1998 | $605,061 | 6 | Corporation | N/A | 281381 |
| 5 | Hydroflow Plumbing And Heating LIMITED | Ireland | Dublin | 33 Oatfield Avenue | Dublin | D22 T6H2 | *****.ie | 2018 | $571,618 | 7 | Corporation | N/A | 625200 |
| 6 | Stephen Murphy Plumbing And Heating LIMITED | Ireland | Killarney | Daltons Avenue | Kerry | N/A | *****.ie | 2007 | $545,676 | 8 | Corporation | N/A | 448942 |
| 7 | All System Heating And Plumbing LIMITED | Ireland | Dublin | 13 Kilnamanagh Road | Dublin | D12 T3V8 | N/A | 2023 | $526,299 | 2 | Corporation | N/A | 732477 |
| 8 | Mcgonagle Group LIMITED | Ireland | Malin | Lematuder | Donegal | F93 RH61 | N/A | 1991 | $234,000 | 25 | Corporation | N/A | 174227 |
| 9 | Horgan Renewables LIMITED | Ireland | Newcastle West | Ashgrove | Limerick | N/A | N/A | 1999 | $209,000 | 8 | Corporation | N/A | 308406 |
| 10 | Larkfield Plumbing Contractors LIMITED | Ireland | Dublin | 11 Larkfield Grove | Dublin | D6W VW77 | N/A | 1996 | $209,000 | 11 | Corporation | N/A | 249634 |
| 11 | Arch Plumbing & Heating LIMITED | Ireland | Navan | Trim Road | Meath | N/A | *****.ie | 2004 | $205,000 | 5 | Corporation | N/A | 381402 |
| 12 | Cowan Heating & Plumbing LIMITED | Ireland | Ballinagh | Drumnalaragh | Cavan | N/A | *****.com | 2004 | $205,000 | 17 | Corporation | N/A | 393063 |
| 13 | Tt Plumbing LIMITED | Ireland | Swords | 6 Longlands | Dublin | K67 FT86 | N/A | 2012 | $194,000 | 8 | Corporation | N/A | 519350 |
| 14 | Best Plumbing Solution LIMITED | Ireland | Cobh | 6 the Pines | Cork | P24 Y725 | N/A | 2018 | $185,000 | 10 | Corporation | N/A | 625311 |
| 15 | KG Plumbing & Heating LIMITED | Ireland | Athenry | Cahercrin | Galway | N/A | *****.com | 2019 | $185,000 | 8 | Corporation | N/A | 648024 |
| 16 | James Brereton Heating & Plumbing LIMITED | Ireland | Dublin | Western Parkway Business Centre | Dublin | D12 RH52 | *****.ie | 1988 | $179,000 | 11 | Corporation | N/A | 129679 |
| 17 | Charles Mc Carthy Plumbing LIMITED | Ireland | Cork | P2 Marina Commercial Park | Cork | T12 WF99 | *****.com | 2011 | $165,000 | 17 | Corporation | N/A | 501368 |
| 18 | Duffy Plumbing & Heating Contractors LIMITED | Ireland | Bettystown | 17 the Avenue | Meath | A92 TN50 | *****.ie | 1999 | $165,000 | 9 | Corporation | N/A | 303491 |
| 19 | Alpha Engineering Heat Providers LIMITED | Ireland | Dublin | Seamus Ennis Road | Dublin | D11 DPK3 | *****.ie | 1999 | $165,000 | 39 | Corporation | N/A | 304827 |
| 20 | Dave Gaffney Heating & Plumbing LIMITED | Ireland | Kildare | Shanacloon | Kildare | R51 WK44 | N/A | 2001 | $162,000 | 5 | Corporation | N/A | 351511 |
| 21 | John Sweeney Plumbing & Heating LIMITED | Ireland | Killarney | Lissyclearig | Kerry | N/A | N/A | 2005 | $159,000 | 6 | Corporation | N/A | 406337 |
| 22 | Brendan Butler Plumbing LIMITED | Ireland | Duncannon Fort | C/o Blackhill Duncannon | Wexford | Y34 NW14 | N/A | 2005 | $159,000 | 7 | Corporation | N/A | 406673 |
| 23 | Fitzpatrick Plumbing & Heating Contractors LIMITED | Ireland | Ennis | Gortmore | Clare | N/A | *****.com | 2006 | $159,000 | 2 | Corporation | N/A | 423769 |
| 24 | Ams Plumbing And Heating Specialists LIMITED | Ireland | Sligo | Upperwood | Sligo | F91 DX30 | *****.ie | 2006 | $159,000 | 2 | Corporation | N/A | 418034 |
| 25 | T & V Plumbing And Heating LIMITED | Ireland | Ballinagh | Kilsallagh | Cavan | N/A | N/A | 2004 | $159,000 | 19 | Corporation | N/A | 388773 |
Showing 25 of 239 companies
Request Free SampleHow many plumbers are there in Ireland?
Plumbers and plumbing and heating firms in Ireland
239
4 November 2026
There are 239 plumbers and plumbing and heating firms in Ireland in our data (4 November 2026). That is one in every 1,682 Irish companies. 7 were entered in the register so far in 2026.
Structure
- Single-site firms
- 239 100%
- Head offices
- 0
- Branch offices
- 0
Classification
NACE Rev. 2 code nclass:4322. Our platform filter is SIC 1711.
Register
138 of the 239 are Ltd, DAC and PLC (58%); 6 are sole traders. They come from Companies Registration Office (CRO) and our Irish register data, through the Company Data API.
Where in Ireland?
Cities by number of firms
90 Irish cities have at least one plumbing and heating firm; 2 have ten or more; 55 have exactly one.
How they compare
Next to related industries
There are 175 construction companies for every plumbing and heating firm in Ireland.
| Industry | Firms | Website | 1-4 staff |
|---|---|---|---|
| Construction Companies | 41,937 | 12% | 75% |
| Electricians | 4,177 | 21% | 67% |
| HVAC Companies | 2,584 | 18% | 75% |
| Roofers | 655 | 25% | 72% |
| Plumbers | 239 | 66% | 65% |
| Air Conditioning Companies | 77 | 82% | 31% |
Largest plumbing and heating firms in Ireland
Alpha Engineering Heat Providers is the largest plumbing and heating firm in Ireland by headcount.
- 139 staff
- 239 staff
- 327 staff
- 425 staff
- 519 staff
- 617 staff
- 717 staff
- 816 staff
- 916 staff
- 1016 staff
By employee size · 239 firms with a known headcount
| Employees | Share | Firms | % |
|---|---|---|---|
| 1-4 | 156 | 65% | |
| 5-9 | 58 | 24% | |
| 10-19 | 21 | 9% | |
| 20-49 | 4 | 2% | |
| 50-99 | 0 | 0% | |
| 100-199 | 0 | 0% | |
| 200-499 | 0 | 0% | |
| 500-999 | 0 | 0% | |
| 1,000+ | 0 | 0% |
65% have 1 to 4 people; 4 have 20 to 49; 0 have 50 or more.
Frequently asked questions
How many plumbers are there in Ireland?
There are 239 plumbers and plumbing and heating firms in Ireland in our data, counted on 4 November 2026. That is one in every 1,682 Irish companies.
Which is the largest plumbing and heating firm in Ireland?
Alpha Engineering Heat Providers in Dublin, with 39 staff. By revenue Cathal Conlon & Company in Cork leads with $632.8 thousand a year.
Which Irish city has the most plumbers?
Dublin, with 55, ahead of Cork (14), Swords (8), Naas (7) and Navan (7).
How big is a typical plumbing and heating firm?
Small. 65% of the 239 firms with a known headcount have one to four people; 0 have 50 or more. Most turn over under $100,000 a year.
Are Irish plumbers sole traders or companies?
One in forty (6) are sole traders, 0.4% are partnerships and 58% (138) are Ltd, DAC and PLC.
Can I download the full list?
Yes. All 239 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.
Discover more: related industries, in other countries
The lists closest to this one. Every industry and city in Ireland is on the Ireland page.
Get the full list of plumbers in Ireland
All 239 firms with address, phone, email, legal form, employees, revenue and founding year. Excel, CSV or API, delivered within 24 hours.
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