Company lists · Data refreshed November 2026

Top 23 Systems integration contractors based in Ireland

RevenueBase identified 93 company matches for systems integration contractors associated with Ireland as of November 2026 and tracks 6,741 professional contacts across them, including 2,659 with verified work emails. Dublin is the largest hub.

This list covers company matches for systems integration 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 November 6, 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 Nov 6, 2026 How this list was built
93Companies
6,741Contacts tracked
2,659Verified emails
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The 23 largest systems integration contractors based in Ireland

Ranked by team size
Top 23 of 93 company matches for systems integration contractors based in Ireland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDublin, IrelandHQ recorded Nov 6, 2026501-1,000606 contacts →

Exact match

“PFH Technology Group, a Ricoh Company, is Ireland's largest ICT services and solutions provider with 800+ employees (600+ technical).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDublin 12, IrelandHQ recorded Nov 6, 2026201-500260 contacts →

Exact match

“Digital Thinking, Built Different.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDublin, IrelandHQ recorded Nov 6, 2026201-500102 contacts →

Exact match

“Welcome to the official EMEA & APAC page for Presidio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDublin 4, IrelandHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“At Triangle, we are committed to the delivery of customer results through our expertise and technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIrelandHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Datapac is one of Ireland’s largest and most successful ICT solutions and services providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSligo, IrelandHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Established in 2002, SL Controls has evolved into an industry-leading provider of Systems Integration solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIrelandHQ recorded Nov 6, 2026201-50049 contacts →

Exact match

“Tim Kelly Group, founded in 1974, is one of Ireland’s leading mechanical and electrical contractors offering mechanical, electrical, fire protection and technology solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDublin, IrelandHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Saros Consulting is a global leader in IT consulting and strategic project management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Arrow ECS is a technology enablement company that brings innovative IT solutions to market to solve complex business challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Capaciteam is a dynamic software development company dedicated to driving positive change in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBoyle, IrelandHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Based in Boyle, Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMallow Road, IrelandHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Senior engineers located in the following areas: Cork - Dublin - Belfast - Galway - Mayo - Donegal - Roscommon - Longford - Kerry - Laois - Limerick Sygma Automation specialises…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchShannon, IrelandHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“We enable the world’s leading medtech companies manufacture sophisticated, ultra-high quality, life-changing products, at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Bechtle Ireland is a leading IT provider for businesses and public-sector customers, boasting locations in 14 European countries as well as certification by all major…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Infinity IT provides Managed IT, Security and Communications Solutions and Services, both in the Cloud and On Premise, to both the Private and Public sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“DNA IT Solutions provide effective technologies for business success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCo Waterford, IrelandHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“CTS Group is the first choice for those seeking electrical, mechanical and technology contracting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLimerick, IrelandHQ recorded Nov 6, 202651-20027 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDublin, IrelandHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“At MJ Flood Technology, we specialise in connectivity – connecting people, processes and technology to help organisations capitalise on the disruptive, digitised world we live in.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRathnew, IrelandHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Wilec (Fire & Security) Ltd was incorporated in June 2002 and specialises in the installation and maintenance of electronic fire, life safety and security systems to all sectors…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBallinrobe, IrelandHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Walsh Group is a Building Services Engineering Contractor offering a comprehensive range of installation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIrelandHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Award winning Unity Technology Solutions has been the independent IT partner of choice for companies throughout Ireland for more than 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDublin 18, IrelandHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Welcome to William Farrell Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 93 systems integration contractors based in Ireland

See the full list, filter by size, metro and specialty, and access 2,659 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems integration contractors based in Ireland at a glance

As of Nov 6, 2026
39.4%Verified-email coverage
72.5Average contacts per company
11-50Median size (employees)
32.3%Largest-city concentration · Dublin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
38
51-200
20
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 93 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 “systems integration 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 2,659 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 November 6, 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.

Systems integration contractors by metro

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 “systems integration contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integration contractors are there based in Ireland?

RevenueBase identified 93 company matches for systems integration contractors associated with Ireland as of November 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?

PFH Technology Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most systems integration contractors?

Dublin leads with 30 company records, followed by Cork (3) and Athlone (2).

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 2,659 professional contacts with verified work emails tracked across these 93 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 November 6, 2026.

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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.