Company lists · Data refreshed September 2026

Top 25 Electrical contracting firms based in Ireland

Name: Electrical contracting firms based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 226 companies tracked

RevenueBase identified 226 electrical contracting firms headquartered in Ireland as of September 2026 and tracks 4,060 professional contacts across them, including 1,560 with verified work emails. Dublin is the largest hub.

This list covers electrical contracting firms headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

226Companies

4,060Contacts tracked

1,560Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical contracting firms based in Ireland

Ranked by team size

Top 25 of 226 electrical contracting firms based in Ireland, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to electrical contracting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Kirby Group Engineering	Partial evidence	Limerick, IrelandHQ checked Sep 19, 2026	1,001-5,000	1,486 contacts →
	Partial evidence “Founded in 1964, Kirby is a leading Mechanical and Electrical engineering contractor with operations in Ireland, the UK, mainland Europe and South Africa.” Source: RevenueBase Database · checked Sep 19, 2026
2	King & Moffatt Building Services	Partial evidence	Carrick On Shannon, IrelandHQ checked Sep 19, 2026	501-1,000	339 contacts →
	Partial evidence “King & Moffatt Building Services are award-winning international Mechanical & Electrical Contractors with over 45 years experience, operating throughout Ireland, the United…” Source: RevenueBase Database · checked Sep 19, 2026
3	MTM Engineering LTD	Partial evidence	Slane, IrelandHQ checked Sep 19, 2026	501-1,000	253 contacts →
	Partial evidence “MTM Engineering – Delivering Excellence in Critical Power and Communications Solutions MTM Engineering is a leading specialist electrical contractor headquartered in Ireland.” Source: RevenueBase Database · checked Sep 19, 2026
4	Randridge International	Strong evidence	Bray, IrelandHQ checked Sep 19, 2026	501-1,000	104 contacts →
	Strong evidence “Randridge is an electrical and instrumentation engineering and contracting company.” Source: RevenueBase Database · checked Sep 19, 2026
5	LPI Group	Partial evidence	Dublin 22, IrelandHQ checked Sep 19, 2026	51-200	91 contacts →
	Partial evidence “Established in 2011, LPI Group is a professional contracting firm, specialising in the design, supply, installation, commissioning and maintenance of lightning protection systems…” Source: RevenueBase Database · checked Sep 19, 2026
6	Kiernan Engineering	Partial evidence	Cork, IrelandHQ checked Sep 19, 2026	51-200	76 contacts →
	Partial evidence “Kiernan Electrical Ireland Ltd.” Source: RevenueBase Database · checked Sep 19, 2026
7	DMG Engineering LTD	Indirect evidence	Dublin, IrelandHQ checked Sep 19, 2026	201-500	62 contacts →
	Indirect evidence “DMG Engineering Ltd have been in operation since 2004.” Source: RevenueBase Database · checked Sep 19, 2026
8	HPL Engineering Services LTD	Partial evidence	Duleek, IrelandHQ checked Sep 19, 2026	51-200	51 contacts →
	Partial evidence “At HPL Engineering Services Ltd we are market-leading experts in engineering/ electrical services across Ireland Our mission is to provide the very best in design, installation…” Source: RevenueBase Database · checked Sep 19, 2026
9	Brooklyn Engineering Services	Partial evidence	Dublin 18, IrelandHQ checked Sep 19, 2026	51-200	48 contacts →
	Partial evidence “Brooklyn Engineering provides electrical engineering services within the construction industry.” Source: RevenueBase Database · checked Sep 19, 2026
10	Deco Engineering	Partial evidence	Dublin, IrelandHQ checked Sep 19, 2026	501-1,000	47 contacts →
	Partial evidence “Mechanical and Electrical Engineering” Source: RevenueBase Database · checked Sep 19, 2026
11	Cloncad Limited	Indirect evidence	Kildare, IrelandHQ checked Sep 19, 2026	51-200	43 contacts →
	Indirect evidence “Established in 2006, Cloncad is a 100% Irish owned contractor headquartered in Moyvalley, Kildare.” Source: RevenueBase Database · checked Sep 19, 2026
12	T Bourke	Partial evidence	Dublin, IrelandHQ checked Sep 19, 2026	51-200	42 contacts →
	Partial evidence “Ireland’s leading mechanical and electrical contractor, T BOURKE.” Source: RevenueBase Database · checked Sep 19, 2026
13	TIM Kelly Group	Partial evidence	Ballybrit, IrelandHQ checked Sep 19, 2026	201-500	41 contacts →
	Partial evidence “Tim Kelly Group, founded in 1974, is one of Ireland’s leading mechanical and electrical contractors offering mechanical, electrical, fire protection and technology solutions.” Source: RevenueBase Database · checked Sep 19, 2026
14	JMC Electrics	Partial evidence	Dublin City, IrelandHQ checked Sep 19, 2026	51-200	39 contacts →
	Partial evidence “Established in 2004, JMC is a trusted Electrical Engineering contractor with over two decades of industry experience.” Source: RevenueBase Database · checked Sep 19, 2026
15	Manning & Buckley Electrical LTD	Partial evidence	Maynooth, IrelandHQ checked Sep 19, 2026	51-200	37 contacts →
	Partial evidence “Manning and Buckley have been providing a comprehensive range of electrical services in both the commercial and industrial sectors for 18 years We pride ourselves on our ability…” Source: RevenueBase Database · checked Sep 19, 2026
16	Derg Client Services	Partial evidence	Borrisokane, IrelandHQ checked Sep 19, 2026	11-50	31 contacts →
	Partial evidence “Derg Client Services aims to become a market leading provider in the electrical industry to a variety of industries including data processing, biotechnology, pharmaceutical and…” Source: RevenueBase Database · checked Sep 19, 2026
17	Cross Electrical Services LTD	Partial evidence	Waterford, IrelandHQ checked Sep 19, 2026	51-200	30 contacts →
	Partial evidence “Cross Electrical is an established provider of electrical services across Ireland and in the U.K.” Source: RevenueBase Database · checked Sep 19, 2026
18	Sammin Engineering	Partial evidence	Dublin 15, IrelandHQ checked Sep 19, 2026	51-200	28 contacts →
	Partial evidence “Sammin Engineering is a dynamic Electrical Engineering services company that was founded in 2005.” Source: RevenueBase Database · checked Sep 19, 2026
19	CTS Group IRE	Strong evidence	Co Waterford, IrelandHQ checked Sep 19, 2026	11-50	27 contacts →
	Strong evidence “CTS Group is the first choice for those seeking electrical, mechanical and technology contracting services.” Source: RevenueBase Database · checked Sep 19, 2026
20	Mcsherry Electrical LTD	Partial evidence	Mallow, IrelandHQ checked Sep 19, 2026	51-200	25 contacts →
	Partial evidence “Established in 1986, McSherry provides Electrical Engineering Services from design to installation and maintenance for the following industries: Process, Manufacturing, Food &…” Source: RevenueBase Database · checked Sep 19, 2026
21	Alfa Electrical LTD	Partial evidence	Dublin 12, IrelandHQ checked Sep 19, 2026	51-200	25 contacts →
	Partial evidence “Alfa Electrical is one of Ireland's leading electrical engineering contractors, delivering high-quality commercial, industrial, residential and retail projects nationwide.” Source: RevenueBase Database · checked Sep 19, 2026
22	AP Haslam LTD	Indirect evidence	Crumlin Road, IrelandHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “For over 80 years, AP Haslam Ltd.” Source: RevenueBase Database · checked Sep 19, 2026
23	J Vaughan Electrical Contractors LTD	Indirect evidence	Dublin, IrelandHQ checked Sep 19, 2026	51-200	23 contacts →
	Indirect evidence “Established in 1979, J.” Source: RevenueBase Database · checked Sep 19, 2026
24	H&f Electrical Contractors Limited	Partial evidence	Limerick, IrelandHQ checked Sep 19, 2026	51-200	22 contacts →
	Partial evidence “Established in 1989, H&F Electrical Contractors Ltd offer a wealth of experience and expertise across all market sectors in delivering electrical, instrumentation, data network…” Source: RevenueBase Database · checked Sep 19, 2026
25	NPF	Partial evidence	Derry, IrelandHQ checked Sep 19, 2026	11-50	20 contacts →
	Partial evidence “Northern Power Force are a leading labour company which specialises in the building of Electrical Switchgear, Power Distribution and Energy Management Systems.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: electrical contracting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names electrical contracting firms.
Partial evidence: Its own public description names part of electrical contracting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name electrical contracting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 226 electrical contracting firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,560 reachable decision-makers.

Free signup · no credit card

View the full list →

Electrical contracting firms based in Ireland at a glance

As of Sep 19, 2026

38.4%Verified-email coverage

18.0Average contacts per company

11-50Median size (employees)

13.3%Largest-city concentration · Dublin

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 226 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electrical contracting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Ireland whose own description of what they do matches “electrical contracting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electrical contracting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among electrical contracting firms, and records with no verified work email. Companies headquartered outside Ireland are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,560 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Electrical contracting firms by metro

Electrical contracting firms in Dublin30

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electrical contracting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electrical contracting firms are there based in Ireland?

RevenueBase identified 226 electrical contracting firms headquartered in Ireland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kirby Group Engineering, headquartered in Limerick, tops this list with the largest team on record.

Which city has the most electrical contracting firms?

Dublin leads with 30 headquartered companies, followed by Cork (9) and Limerick (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,560 verified decision-maker contacts tracked across these 226 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 226 electrical contracting firms based in Ireland. Start with a free account, no credit card.

Download this list →

Related lists

Electrical contracting firms by geography

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.