Company lists · Data refreshed September 2026

Top 25 Telecommunications contractors based in Ireland

Name: Telecommunications contractors based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 126 companies tracked

RevenueBase identified 126 company matches for telecommunications contractors associated with Ireland as of September 2026 and tracks 1,543 professional contacts across them, including 519 with verified work emails. Dublin is the largest hub.

This list covers company matches for telecommunications contractors associated with Ireland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

126Companies

1,543Contacts tracked

519Verified emails

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

The 25 largest telecommunications contractors based in Ireland

Ranked by team size

Top 25 of 126 company matches for telecommunications contractors based in Ireland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	MTM Engineering LTD	Exact match	Slane, IrelandHQ recorded Sep 19, 2026	501-1,000	253 contacts →
	Exact match “MTM Engineering – Delivering Excellence in Critical Power and Communications Solutions MTM Engineering is a leading specialist electrical contractor headquartered in Ireland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Secto Services Limited	Exact match	Maynooth, IrelandHQ recorded Sep 19, 2026	201-500	136 contacts →
	Exact match “Delivering Successful Engineering and Technical Services Secto Services is a fast growing Infrastructure build and engineering solutions company where customer service and the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	CET Connect	Exact match	Clonmel, IrelandHQ recorded Sep 19, 2026	51-200	80 contacts →
	Exact match “CET Connect is a leading installer of IT Network Infrastructure & Structured Cabling Installations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Brooklyn Engineering Services	Exact match	Dublin 18, IrelandHQ recorded Sep 19, 2026	51-200	48 contacts →
	Exact match “Brooklyn Engineering provides electrical engineering services within the construction industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Surecom Network Solutions LTD	Exact match	Cahir, IrelandHQ recorded Sep 19, 2026	51-200	39 contacts →
	Exact match “Surecom Network Solutions is a multi-award-winning engineering firm based in Ireland and the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Spectrum Telecom Installations LTD	Exact match	Clane, IrelandHQ recorded Sep 19, 2026	51-200	33 contacts →
	Exact match “Spectrum is a leading supplier of network deployment and build solutions together with the provision of high quality maintenance services for the telecommunications industry in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Circet Data Centre Services	Exact match	Dublin 15, IrelandHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “Supply and install of Fibre and Copper cable systems for both the Telecom and Data Industry, Data centre Specialists.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Alfa Electrical LTD	Exact match	Dublin 12, IrelandHQ recorded Sep 19, 2026	51-200	25 contacts →
	Exact match “Alfa Electrical is one of Ireland's leading electrical engineering contractors, delivering high-quality commercial, industrial, residential and retail projects nationwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	2rn	Exact match	Dublin 24, IrelandHQ recorded Sep 19, 2026	51-200	22 contacts →
	Exact match “2rn is an infrastructure and service provider to the broadcast transmission and wireless telecommunication markets in Ireland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	AL Read Electrical Company	Exact match	Mulhuddart, IrelandHQ recorded Sep 19, 2026	11-50	22 contacts →
	Exact match “Al Read Electrical has been involved in the design, installation and maintenance of Public Lighting since the early 1980s and today we are a leading contractor in public lighting…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	H&f Electrical Contractors Limited	Exact match	Limerick, IrelandHQ recorded Sep 19, 2026	51-200	22 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Network 2000	Exact match	County Dublin, IrelandHQ recorded Sep 19, 2026	11-50	21 contacts →
	Exact match “Established in 2002, Network has been providing dedicated and specialised telecommunications infrastructure services to the commercial, industrial & public sectors.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Access Data Installations Ireland LTD	Exact match	Co. Cork, IrelandHQ recorded Sep 19, 2026	11-50	21 contacts →
	Exact match “ADI(Ireland) Ltd.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Synchro	Exact match	Dún Laoghaire–rathdown, IrelandHQ recorded Sep 19, 2026	201-500	20 contacts →
	Exact match “Synchro is a young and dynamic Irish company established in 2010 to provide managed services to the eir Group; the principal provider of fixed-line and mobile telecommunications…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Crescent Infrastructure LTD	Exact match	Dublin, IrelandHQ recorded Sep 19, 2026	51-200	18 contacts →
	Exact match “Crescent Infrastructure is a trusted partner within the most highly secured Data Centres and highly respected prominent businesses and industries in Ireland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Armour Group	Exact match	Dunleer, IrelandHQ recorded Sep 19, 2026	51-200	18 contacts →
	Exact match “Armour Group is a leading electrical contracting company delivering end-to-end solutions across commercial, industrial, infrastructure, and residential sectors.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	A&l Electrical LTD	Exact match	Dublin 9, IrelandHQ recorded Sep 19, 2026	51-200	18 contacts →
	Exact match “A&L ELECTRICAL LTD is an Electrical Contractors company based out of MCE House, Unit C8 Santry Business Park, Santry, Dublin 9.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	RGN Electrical & Communications LTD	Exact match	Osberstown, IrelandHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “RGN Specialises in retro-fit School, Commerical, and industrial fit outs” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Thomond Communications LTD	Exact match	Limerick, IrelandHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “Thomond Communications Ltd was established in 2005 to provide a turnkey solution in the Telecomms/Datacomms market.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Fenlon Electrical Services Limited	Exact match	Dublin, IrelandHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Assist Electrical	Exact match	Donore Road, IrelandHQ recorded Sep 19, 2026	11-50	13 contacts →
	Exact match “Assist Electrical Services Ltd was established in 2007 to supply a high-quality service of electrical contracting.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Cosgrove Electrical Services	Exact match	Dublin, IrelandHQ recorded Sep 19, 2026	51-200	13 contacts →
	Exact match “Cosgrove Electrical Services is a company head-quartered in Dublin.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	L. Redmond Electrical LTD	Exact match	Dublin 3, IrelandHQ recorded Sep 19, 2026	11-50	13 contacts →
	Exact match “Established in 1969, we are General Electrical Contractors carrying out industrial and commercial contracts in the Republic of Ireland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Wave Electrical Services LTD	Exact match	Co. Cork, IrelandHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “Wave Electrical Services Ltd is an electrical contracting company based out of Piercetown, White's Cross, Co.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Turnua	Exact match	Naas, IrelandHQ recorded Sep 19, 2026	11-50	11 contacts →
	Exact match “Ireland’s leading partner for delivering end-to-end solutions across construction, civil works, IT infrastructure, fibre and telecoms.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “telecommunications contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 126 telecommunications contractors based in Ireland

See the full list, filter by size, metro and specialty, and access 519 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Telecommunications contractors based in Ireland at a glance

As of Sep 19, 2026

33.6%Verified-email coverage

12.2Average contacts per company

11-50Median size (employees)

11.9%Largest-city concentration · Dublin

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 126 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Ireland whose business descriptions match “telecommunications contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 519 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telecommunications contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications contractors are there based in Ireland?

RevenueBase identified 126 company matches for telecommunications contractors associated with Ireland as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

MTM Engineering LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecommunications contractors?

Dublin leads with 15 company records, followed by Limerick (4) and Cork (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 519 professional contacts with verified work emails tracked across these 126 companies; direct dials are available where recorded.

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 126 telecommunications contractors based in Ireland. Start with a free account, no credit card.

Download this list →

Related lists

Telecommunications contractors 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 SmartSearch, 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.