Company lists · Data refreshed September 2026
Top 25 IT support companies based in Ireland
RevenueBase identified 125 company matches for IT support companies associated with Ireland as of September 2026 and tracks 905 professional contacts across them, including 364 with verified work emails. Dublin is the largest hub.
This list covers company matches for IT support companies 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 20, 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.
The 25 largest IT support companies based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 42 contacts → | ||||
Exact match “Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 36 contacts → | ||||
Exact match “Tomorrows World Limited (TW) was founded in 1979 and is one of the longest established IT services companies in Ireland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 35 contacts → | ||||
Exact match “Unitec are an international technology company with offices in both Ireland and South Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 31 contacts → | ||||
Exact match “BITS (BUSINESS I.T.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “Power your business with hassle-free solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Paradyn is a leading provider of IT security and consultancy services in Ireland, offering a comprehensive, best-in-class suite of security services to monitor, protect and defend…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “At Landmark Technologies our proactive services are designed to provide small to medium enterprises with the kind of diagnostic approach usually only available to large…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “Automate Technology delivers a range of professional IT support, sales and consultancy services to SMEs, institutions and charities throughout Ireland with offices in both Dublin…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “NIS Ltd provides reliable, practical IT support for schools, public sector bodies, and small to mid-sized businesses across Ireland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “We are I.T.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “At A to Z Computers Ireland, we help SMEs eliminate IT headaches, strengthen cybersecurity, and build reliable, future-ready technology environments.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “At IT Systems, we provide IT Support, Network Management and IT Maintenance every day to organisations just like yours.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “Some of iPing's services - Tel: 01 524 1350 Managed Services The implementation of managed services in your network is an important piece in your overall network design.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “Established in 1985, ERS IT Solutions has provided IT support and services to a broad range of organisations (large and small) throughout Ireland and has evolved into one of the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Since 2005, DataTrust has been helping businesses across Ireland turn technology from a business risk into a competitive advantage.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “Radium is based in Dublin, Ireland, and delivers a range of professional IT services to suit all business needs including IT Consulting, Technical Support Helpdesk, Managed IT…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Really Good Business provides IT Services and Solutions to small and medium size businesses who lack a dedicated IT department.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “Welcome to CK Computer Solutions CK Computer Solutions offers an honest, competitive and comprehensive IT service for Small to Medium sized businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “As a computer services company Techsure offers a wide range of options, which will ensure that your IT issues are addressed quickly and competently.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Sleepless provides security-first IT-managed services to support your operations, secure your data and enable digital transformation to empower your business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “1network is one of Dublin's leading IT support and consulting services since 2002, we provide solutions to all of our client’s IT needs, from purchasing hardware and software to…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match “INET Computer Solutions PC Support was formed in 2004 by Ronan Mc Namara with the aim of providing in house Technical Support for small businesses which had neither the skills nor…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Based in Naas, Co Kildare, ITM Tech, previously IT Monkey, supply and implement reliable technical support for your entire IT environment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “The IT Department works with companies that need the support of an IT department without having the overheads of a dedicated in-house IT professional.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “Eolas Technologies offer a range of IT Managed Services, Monitoring, Cloud Services, Security, Managed Antivirus, Hardware Maintenance & IT Solutions.” Recorded in the RevenueBase company graph · Sep 20, 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 “IT support companies”. 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 125 IT support companies based in Ireland
See the full list, filter by size, metro and specialty, and access 364 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT support companies based in Ireland at a glance
As of Sep 20, 2026Companies by employee count
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 125 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 “IT support companies” 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 364 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 20, 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 “IT support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT support companies are there based in Ireland?
RevenueBase identified 125 company matches for IT support companies 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?
Zettabytes Gold Microsoft Partner tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT support companies?
Dublin leads with 27 company records, followed by Cork (4) and Dun Laoghaire (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 364 professional contacts with verified work emails tracked across these 125 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 125 IT support companies based in Ireland. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
- All company lists
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- Lists A-Z
- New lists
- IT support companies based in Adelaide, Australia
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Company intelligence · public preview
Top 25 IT support companies based in Ireland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 125 matching company records for IT support companies based in Ireland, with 905 tracked contacts and 364 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT support companies based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Zettabytes Gold Microsoft Partnerzettabytes.ieHQ: Swords, IrelandReported employees: 11-50 | Swords, Ireland | 11-50 | Exact match | 42 contacts → |
“Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tomorrows World TWtwl.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 36 contacts → |
“Tomorrows World Limited (TW) was founded in 1979 and is one of the longest established IT services companies in Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Unitec IT Solutionsunitec.ieHQ: Clonmel, IrelandReported employees: 11-50 | Clonmel, Ireland | 11-50 | Exact match | 35 contacts → |
“Unitec are an international technology company with offices in both Ireland and South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Business IT Solutionsbits.ieHQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 31 contacts → |
“BITS (BUSINESS I.T.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bytek IT Solutionsbytek.ieHQ: Glasnevin, IrelandReported employees: 11-50 | Glasnevin, Ireland | 11-50 | Exact match | 30 contacts → |
“Power your business with hassle-free solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Paradynparadyn.ieHQ: Sandyford, IrelandReported employees: 51-200 | Sandyford, Ireland | 51-200 | Exact match | 27 contacts → |
“Paradyn is a leading provider of IT security and consultancy services in Ireland, offering a comprehensive, best-in-class suite of security services to monitor, protect and defend…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Landmark Technologieslandmark.ieHQ: Dublin 12, IrelandReported employees: 11-50 | Dublin 12, Ireland | 11-50 | Exact match | 26 contacts → |
“At Landmark Technologies our proactive services are designed to provide small to medium enterprises with the kind of diagnostic approach usually only available to large…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Automate Technologyautomate.ieHQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 20 contacts → |
“Automate Technology delivers a range of professional IT support, sales and consultancy services to SMEs, institutions and charities throughout Ireland with offices in both Dublin…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NIS LTDnis.ieHQ: Tullamore, IrelandReported employees: 11-50 | Tullamore, Ireland | 11-50 | Exact match | 19 contacts → |
“NIS Ltd provides reliable, practical IT support for schools, public sector bodies, and small to mid-sized businesses across Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  DEITGdeitg.comHQ: Cork, IrelandReported employees: 1-10 | Cork, Ireland | 1-10 | Exact match | 16 contacts → |
“We are I.T.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  A To Z Computersatozcomputers.ieHQ: Kilkenny, IrelandReported employees: 1-10 | Kilkenny, Ireland | 1-10 | Exact match | 15 contacts → |
“At A to Z Computers Ireland, we help SMEs eliminate IT headaches, strengthen cybersecurity, and build reliable, future-ready technology environments.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  IT Systems LTDitsystems.ieHQ: Killaloe, IrelandReported employees: 11-50 | Killaloe, Ireland | 11-50 | Exact match | 14 contacts → |
“At IT Systems, we provide IT Support, Network Management and IT Maintenance every day to organisations just like yours.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Iping IT Servicesiping.ieHQ: Dublin 2, IrelandReported employees: 1-10 | Dublin 2, Ireland | 1-10 | Exact match | 14 contacts → |
“Some of iPing's services - Tel: 01 524 1350 Managed Services The implementation of managed services in your network is an important piece in your overall network design.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ERS IT Solutionsers.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Established in 1985, ERS IT Solutions has provided IT support and services to a broad range of organisations (large and small) throughout Ireland and has evolved into one of the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Datatrustdatatrust.ieHQ: Dunshaughlin, IrelandReported employees: 11-50 | Dunshaughlin, Ireland | 11-50 | Exact match | 13 contacts → |
“Since 2005, DataTrust has been helping businesses across Ireland turn technology from a business risk into a competitive advantage.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Radium Technologiesradium.ieHQ: Dublin 18, IrelandReported employees: 1-10 | Dublin 18, Ireland | 1-10 | Exact match | 13 contacts → |
“Radium is based in Dublin, Ireland, and delivers a range of professional IT services to suit all business needs including IT Consulting, Technical Support Helpdesk, Managed IT…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Really Good Businessrgb.ieHQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 12 contacts → |
“Really Good Business provides IT Services and Solutions to small and medium size businesses who lack a dedicated IT department.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  CK Computer Solutionscksolutions.ieHQ: Dublin 8, IrelandReported employees: 1-10 | Dublin 8, Ireland | 1-10 | Exact match | 12 contacts → |
“Welcome to CK Computer Solutions CK Computer Solutions offers an honest, competitive and comprehensive IT service for Small to Medium sized businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Techsure LTDtechsure.ieHQ: Dublin 11, IrelandReported employees: 11-50 | Dublin 11, Ireland | 11-50 | Exact match | 11 contacts → |
“As a computer services company Techsure offers a wide range of options, which will ensure that your IT issues are addressed quickly and competently.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Stryve Secure - The Cyberstryvesecure.comHQ: Galway, IrelandReported employees: 201-500 | Galway, Ireland | 201-500 | Exact match | 11 contacts → |
“Sleepless provides security-first IT-managed services to support your operations, secure your data and enable digital transformation to empower your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  1network1network.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 11 contacts → |
“1network is one of Dublin's leading IT support and consulting services since 2002, we provide solutions to all of our client’s IT needs, from purchasing hardware and software to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Inet Computer Solutionsinetcs.ieHQ: Mullingar, IrelandReported employees: 11-50 | Mullingar, Ireland | 11-50 | Exact match | 11 contacts → |
“INET Computer Solutions PC Support was formed in 2004 by Ronan Mc Namara with the aim of providing in house Technical Support for small businesses which had neither the skills nor…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ITM Techitmtech.ieHQ: Naas, IrelandReported employees: 11-50 | Naas, Ireland | 11-50 | Exact match | 10 contacts → |
“Based in Naas, Co Kildare, ITM Tech, previously IT Monkey, supply and implement reliable technical support for your entire IT environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  The IT Department - Wexfordtheitdepartment.ieHQ: Wexford, IrelandReported employees: 1-10 | Wexford, Ireland | 1-10 | Exact match | 8 contacts → |
“The IT Department works with companies that need the support of an IT department without having the overheads of a dedicated in-house IT professional.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Eolas Technologieseolastechnologies.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Eolas Technologies offer a range of IT Managed Services, Monitoring, Cloud Services, Security, Managed Antivirus, Hardware Maintenance & IT Solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 125 company matches
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IT support companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
125 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 125 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for IT support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT support companies did RevenueBase find based in Ireland?
The saved snapshot records 125 matching company records, 905 tracked contacts and 364 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- IT support companies based in Adelaide, Australia
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- IT support companies based in Porto Alegre, Brazil
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 IT support companies based in Ireland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/it-support-companies/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Lists by location
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- New lists
- IT support companies based in Adelaide, Australia
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Company intelligence · public preview
Top 25 IT support companies based in Ireland
RevenueBase records 125 matching company records for IT support companies based in Ireland, with 905 tracked contacts and 364 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT support companies based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Zettabytes Gold Microsoft Partnerzettabytes.ie HQ: Swords, IrelandReported employees: 11-50 | Swords, Ireland | 11-50 | Exact match | 42 contacts → |
“Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tomorrows World TWtwl.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 36 contacts → |
“Tomorrows World Limited (TW) was founded in 1979 and is one of the longest established IT services companies in Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Unitec IT Solutionsunitec.ie HQ: Clonmel, IrelandReported employees: 11-50 | Clonmel, Ireland | 11-50 | Exact match | 35 contacts → |
“Unitec are an international technology company with offices in both Ireland and South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Business IT Solutionsbits.ie HQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 31 contacts → |
“BITS (BUSINESS I.T.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bytek IT Solutionsbytek.ie HQ: Glasnevin, IrelandReported employees: 11-50 | Glasnevin, Ireland | 11-50 | Exact match | 30 contacts → |
“Power your business with hassle-free solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Paradynparadyn.ie HQ: Sandyford, IrelandReported employees: 51-200 | Sandyford, Ireland | 51-200 | Exact match | 27 contacts → |
“Paradyn is a leading provider of IT security and consultancy services in Ireland, offering a comprehensive, best-in-class suite of security services to monitor, protect and defend…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Landmark Technologieslandmark.ie HQ: Dublin 12, IrelandReported employees: 11-50 | Dublin 12, Ireland | 11-50 | Exact match | 26 contacts → |
“At Landmark Technologies our proactive services are designed to provide small to medium enterprises with the kind of diagnostic approach usually only available to large…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Automate Technologyautomate.ie HQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 20 contacts → |
“Automate Technology delivers a range of professional IT support, sales and consultancy services to SMEs, institutions and charities throughout Ireland with offices in both Dublin…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NIS LTDnis.ie HQ: Tullamore, IrelandReported employees: 11-50 | Tullamore, Ireland | 11-50 | Exact match | 19 contacts → |
“NIS Ltd provides reliable, practical IT support for schools, public sector bodies, and small to mid-sized businesses across Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DEITGdeitg.com HQ: Cork, IrelandReported employees: 1-10 | Cork, Ireland | 1-10 | Exact match | 16 contacts → |
“We are I.T.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | A To Z Computersatozcomputers.ie HQ: Kilkenny, IrelandReported employees: 1-10 | Kilkenny, Ireland | 1-10 | Exact match | 15 contacts → |
“At A to Z Computers Ireland, we help SMEs eliminate IT headaches, strengthen cybersecurity, and build reliable, future-ready technology environments.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IT Systems LTDitsystems.ie HQ: Killaloe, IrelandReported employees: 11-50 | Killaloe, Ireland | 11-50 | Exact match | 14 contacts → |
“At IT Systems, we provide IT Support, Network Management and IT Maintenance every day to organisations just like yours.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Iping IT Servicesiping.ie HQ: Dublin 2, IrelandReported employees: 1-10 | Dublin 2, Ireland | 1-10 | Exact match | 14 contacts → |
“Some of iPing's services - Tel: 01 524 1350 Managed Services The implementation of managed services in your network is an important piece in your overall network design.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ERS IT Solutionsers.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Established in 1985, ERS IT Solutions has provided IT support and services to a broad range of organisations (large and small) throughout Ireland and has evolved into one of the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Datatrustdatatrust.ie HQ: Dunshaughlin, IrelandReported employees: 11-50 | Dunshaughlin, Ireland | 11-50 | Exact match | 13 contacts → |
“Since 2005, DataTrust has been helping businesses across Ireland turn technology from a business risk into a competitive advantage.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Radium Technologiesradium.ie HQ: Dublin 18, IrelandReported employees: 1-10 | Dublin 18, Ireland | 1-10 | Exact match | 13 contacts → |
“Radium is based in Dublin, Ireland, and delivers a range of professional IT services to suit all business needs including IT Consulting, Technical Support Helpdesk, Managed IT…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Really Good Businessrgb.ie HQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 12 contacts → |
“Really Good Business provides IT Services and Solutions to small and medium size businesses who lack a dedicated IT department.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CK Computer Solutionscksolutions.ie HQ: Dublin 8, IrelandReported employees: 1-10 | Dublin 8, Ireland | 1-10 | Exact match | 12 contacts → |
“Welcome to CK Computer Solutions CK Computer Solutions offers an honest, competitive and comprehensive IT service for Small to Medium sized businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Techsure LTDtechsure.ie HQ: Dublin 11, IrelandReported employees: 11-50 | Dublin 11, Ireland | 11-50 | Exact match | 11 contacts → |
“As a computer services company Techsure offers a wide range of options, which will ensure that your IT issues are addressed quickly and competently.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Stryve Secure - The Cyberstryvesecure.com HQ: Galway, IrelandReported employees: 201-500 | Galway, Ireland | 201-500 | Exact match | 11 contacts → |
“Sleepless provides security-first IT-managed services to support your operations, secure your data and enable digital transformation to empower your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 1network1network.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 11 contacts → |
“1network is one of Dublin's leading IT support and consulting services since 2002, we provide solutions to all of our client’s IT needs, from purchasing hardware and software to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inet Computer Solutionsinetcs.ie HQ: Mullingar, IrelandReported employees: 11-50 | Mullingar, Ireland | 11-50 | Exact match | 11 contacts → |
“INET Computer Solutions PC Support was formed in 2004 by Ronan Mc Namara with the aim of providing in house Technical Support for small businesses which had neither the skills nor…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ITM Techitmtech.ie HQ: Naas, IrelandReported employees: 11-50 | Naas, Ireland | 11-50 | Exact match | 10 contacts → |
“Based in Naas, Co Kildare, ITM Tech, previously IT Monkey, supply and implement reliable technical support for your entire IT environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The IT Department - Wexfordtheitdepartment.ie HQ: Wexford, IrelandReported employees: 1-10 | Wexford, Ireland | 1-10 | Exact match | 8 contacts → |
“The IT Department works with companies that need the support of an IT department without having the overheads of a dedicated in-house IT professional.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Eolas Technologieseolastechnologies.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Eolas Technologies offer a range of IT Managed Services, Monitoring, Cloud Services, Security, Managed Antivirus, Hardware Maintenance & IT Solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 125 company matches
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IT support companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
125 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 125 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for IT support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT support companies did RevenueBase find based in Ireland?
The saved snapshot records 125 matching company records, 905 tracked contacts and 364 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 IT support companies based in Ireland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/it-support-companies/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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