List of Companies in Ireland

Prospecting in Ireland? Here are the companies based there, biggest first, including Megazyme, Promise Gluten Free and Sicon. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
<$1M
38

$1M - $10M
38

<$1M
38

<$1M
38

$10M - $25M
38

$49M
$1M - $10M
38

$250M - $500M
37

<$1M
37

<$1M
37

$1M - $10M
37

$1M - $10M
37

$1M - $10M
37

$16M
$1M - $10M
37

<$1M
37

$100M - $250M
37

<$1M
37

$40M
$1M - $10M
36

$1M - $10M
36

<$1M
36

$49K
<$1M
36

<$1M
36

$100M - $250M
35

<$1M
35

$1M - $10M
35

$10M - $25M
35

<$1M
35

$1M - $10M
35

<$1M
35

$25M - $50M
35

$25M - $50M
35

$30M
$10M - $25M
35

$10M - $25M
35

$134M
$10M - $25M
34

$10M - $25M
34

$1M - $10M
34

$8.7M
<$1M
34

$25M - $50M
34

<$1M
34

<$1M
34

<$1M
34

$50M - $100M
34

$1M - $10M
34

$4.2M
$1M - $10M
34

<$1M
33

$39M
$1M - $10M
33

$1M - $10M
33

$1M - $10M
33

$16M
$100M - $250M
33

$15M
$1M - $10M
33

$1M - $10M
33

<$1M
33

$69M
$1M - $10M
33

$10M
$1M - $10M
33

$246M
$1M - $10M
33

$1M - $10M
33

$1M - $10M
33

$25M - $50M
32

$100M
$1M - $10M
32

$1M - $10M
32

$1M - $10M
32

$1M - $10M
32

$28K
$1M - $10M
32

<$1M
32

<$1M
32

<$1M
32

$135M
$1M - $10M
32

$1M - $10M
32

<$1M
32

$10M - $25M
32

<$1M
32

$21M
$1M - $10M
31

$18M
<$1M
31

<$1M
31

<$1M
31

<$1M
31

<$1M
31

$1M - $10M
31

$50M - $100M
31

<$1M
31

$1M - $10M
31

$1M - $10M
31

$722K
<$1M
31

<$1M
31

$1M - $10M
31

$34M
$1M - $10M
30

$1M - $10M
30

<$1M
30

$1M - $10M
30

<$1M
30

$15M
$1M - $10M
30

$12M
$1M - $10M
30

<$1M
30

$1M - $10M
30

$50M - $100M
30

$2.1M
<$1M
29

$250M - $500M
29

$10M - $25M
29

$1M - $10M
29

$2M
<$1M
29

<$1M
29

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 Megazyme, Promise Gluten Free and Sicon. 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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