List of Companies in Ireland
Prospecting in Ireland? Here are the companies based there, biggest first, including Three Ireland, Morgan McKinley and Mater Private Network. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
1.5K
$1B - $10B
1.5K
$340M
$1M - $10M
1.5K
$1B - $10B
1.5K
$100M - $250M
1.5K
$100M - $250M
1.5K
$50M - $100M
1.5K
$1M - $10M
1.5K
$2.2M
$25M - $50M
1.4K
$1.3B
$250M - $500M
1.4K
$50M - $100M
1.3K
$50M - $100M
1.3K
$250M - $500M
1.3K
$10B+
1.3K
$500M - $1B
1.3K
$1M - $10M
1.3K
$1M - $10M
1.3K
$250M - $500M
1.3K
$50M - $100M
1.2K
$25M - $50M
1.2K
$1M - $10M
1.2K
$25M - $50M
1.2K
$100M - $250M
1.2K
$100M - $250M
1.2K
$50M - $100M
1.2K
$102M
$500M - $1B
1.2K
$100M - $250M
1.1K
$1M - $10M
1.1K
$10M - $25M
1.1K
$8.5M
$250M - $500M
1.1K
$200M
$1B - $10B
1.1K
$250M - $500M
1.1K
$100M - $250M
1.1K
$10M - $25M
1.1K
$50M - $100M
1.1K
$1M - $10M
1.1K
$25M - $50M
1.1K
$50M - $100M
1.1K
$250M - $500M
1K
<$1M
1K
$600M
$50M - $100M
1K
$25M - $50M
1K
$1B - $10B
1K
$1M - $10M
1K
$1M - $10M
1K
$1M - $10M
1K
$500M - $1B
966
$10M - $25M
958
$100M - $250M
936
$1M - $10M
931
$250M - $500M
931
$1B - $10B
926
$50M - $100M
925
$50M - $100M
924
$1M - $10M
922
$25M - $50M
911
$50M - $100M
889
$1B - $10B
883
$1M - $10M
871
$500M - $1B
870
$250M - $500M
864
$10M - $25M
860
$2.2M
$500M - $1B
855
$42M
$25M - $50M
845
$136M
$100M - $250M
845
$10M - $25M
842
$460M
$500M - $1B
840
$1M - $10M
839
$25M - $50M
836
$1M - $10M
823
$100M - $250M
813
$25M - $50M
810
$100M - $250M
809
$100M - $250M
793
$50M - $100M
790
$10M - $25M
785
$25M - $50M
783
$25M - $50M
781
$10B+
781
$1M - $10M
777
$1M - $10M
773
$250M - $500M
773
$250M - $500M
771
$201K
$250M - $500M
758
$100M - $250M
749
$10M - $25M
745
$19B
$100M - $250M
743
$1B - $10B
735
$250M - $500M
730
$100M - $250M
729
$1M - $10M
729
$10M - $25M
728
$1B - $10B
727
$10M - $25M
727
$250M - $500M
721
$100M - $250M
720
$50M - $100M
720
$50M - $100M
717
$1M - $10M
712
$1M - $10M
711
About companies in Ireland
Which companies in Ireland are listed?
Companies in Ireland of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include Three Ireland, Morgan McKinley and Mater Private Network. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.
Which industries are most common among companies in Ireland?
Among companies in Ireland on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Construction, Hospitals and Health Care and Non-profit Organizations. Narrow your list to the industry you sell into from there.
What technologies do companies in Ireland use?
The tools most often found in the tech stacks of companies in Ireland include WordPress, Microsoft 365, Amazon Web Services, iCIMS, Microsoft Azure and Shopify. Useful if you integrate with, complement or compete with one of them.
How do I reach decision makers at companies in Ireland?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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