List of Companies in Ireland
Prospecting in Ireland? Here are the companies based there, biggest first, including Contracting PLUS, Deciphex and Unum Ireland. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
185
$85M
$10M - $25M
185
$1M - $10M
185
<$1M
184
$1.7M
$1M - $10M
184
<$1M
182
$1M - $10M
182
<$1M
182
$1M - $10M
180
$10M - $25M
179
<$1M
179
$1M - $10M
179
$100M - $250M
178
$100M - $250M
177
$1M - $10M
177
$1M - $10M
176
$1M - $10M
176
$10M - $25M
175
$25M - $50M
175
$50M - $100M
174
$1M - $10M
174
$50M - $100M
173
$10M - $25M
173
<$1M
172
$1M - $10M
171
<$1M
171
$62M
$1M - $10M
171
$1M - $10M
170
$1M - $10M
170
$1M - $10M
170
$10M - $25M
170
<$1M
169
$1M - $10M
169
<$1M
168
$100M - $250M
167
$1M - $10M
167
$1.1B
$1M - $10M
167
$1M - $10M
166
$1M - $10M
166
$500M - $1B
165
$1M - $10M
165
$108M
<$1M
165
$1M - $10M
165
$10M - $25M
164
$1M - $10M
164
$10M - $25M
163
$10M - $25M
163
$50M - $100M
163
<$1M
163
$1M - $10M
163
$1M - $10M
162
<$1M
162
$10M - $25M
162
$1M - $10M
161
$1M - $10M
161
$1M - $10M
161
$10M - $25M
160
<$1M
160
$1M - $10M
159
$1M - $10M
159
$50M - $100M
159
$66M
$10M - $25M
159
$25M - $50M
158
$50M - $100M
158
$1M - $10M
158
$25M - $50M
158
$1M - $10M
157
$1M - $10M
157
$14M
$50M - $100M
157
$1M - $10M
157
$1M - $10M
156
$25M - $50M
156
<$1M
156
$10M - $25M
156
$77M
$1M - $10M
155
$100M - $250M
155
$10M - $25M
155
<$1M
155
$1M - $10M
154
$1M - $10M
154
$1M - $10M
154
$10M - $25M
154
$1M - $10M
154
$500M - $1B
154
$1M - $10M
154
<$1M
153
$17M
$10M - $25M
152
$1M - $10M
152
<$1M
151
$10M - $25M
151
$10M - $25M
151
$1M - $10M
151
$1M - $10M
151
$1M - $10M
150
$100M - $250M
150
$10M - $25M
148
$1M - $10M
148
$10M
$1M - $10M
148
<$1M
148
$1M - $10M
147
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 Contracting PLUS, Deciphex and Unum Ireland. 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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