List of Companies in Ireland
Prospecting in Ireland? Here are the companies based there, biggest first, including Tweak, VALID Nutrition (RCN 20065737) and Alternus Clean Energy. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
22
$169K
$1M - $10M
22
$4.4M
$1M - $10M
21
$1M - $10M
21
$16M
$1M - $10M
21
$1M - $10M
21
$688K
<$1M
21
<$1M
21
<$1M
21
<$1M
21
<$1M
21
$1M - $10M
21
<$1M
21
$4.6M
$1M - $10M
21
<$1M
21
<$1M
21
$1M - $10M
21
$2M
$1M - $10M
21
$753K
<$1M
20
$10M - $25M
20
$2.3M
$1M - $10M
20
$1M - $10M
20
<$1M
20
$3M
<$1M
20
<$1M
20
$1M - $10M
20
<$1M
20
$25M - $50M
20
<$1M
20
$22M
<$1M
20
$15M
<$1M
20
$1M - $10M
20
<$1M
20
$1M - $10M
19
<$1M
19
<$1M
19
<$1M
19
<$1M
19
$4.4M
<$1M
19
<$1M
19
<$1M
19
<$1M
19
$25M - $50M
19
<$1M
19
<$1M
18
<$1M
18
<$1M
18
$21M
<$1M
18
$2.4M
$1M - $10M
18
<$1M
18
$1M - $10M
18
<$1M
18
$1M - $10M
18
$17M
<$1M
18
$1M - $10M
18
$1M - $10M
18
<$1M
18
$1M - $10M
18
$983M
<$1M
18
$116K
<$1M
18
<$1M
18
$1.4M
$50M - $100M
17
$2.8M
<$1M
17
$2.4M
<$1M
17
<$1M
17
<$1M
17
$746K
<$1M
17
$1M - $10M
17
<$1M
17
<$1M
17
$3.7M
$1M - $10M
17
$1M - $10M
17
<$1M
17
<$1M
17
<$1M
16
$5.1M
$1M - $10M
16
$155M
$1M - $10M
16
$1M - $10M
16
$1M - $10M
16
<$1M
16
$1M - $10M
16
$1M - $10M
16
<$1M
16
<$1M
16
$1M - $10M
15
$1.7M
$250M - $500M
15
$1M - $10M
15
$1M - $10M
15
$13M
$1M - $10M
15
$22M
<$1M
15
<$1M
15
$10M - $25M
15
<$1M
15
<$1M
14
$53K
$1M - $10M
14
<$1M
14
<$1M
14
$1M - $10M
14
$2M
<$1M
14
$4.8M
$1M - $10M
13
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 Tweak, VALID Nutrition (RCN 20065737) and Alternus Clean Energy. 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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