List of Companies in Ireland
Prospecting in Ireland? Here are the companies based there, biggest first, including The AA (Ireland), Ardmac and eir business. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
451
$10M - $25M
450
$1M - $10M
449
$1M - $10M
442
$1M - $10M
440
$2.2B
$100M - $250M
438
$10M - $25M
438
$1M - $10M
435
$1M - $10M
435
<$1M
435
$10M - $25M
432
$10M - $25M
430
$1M - $10M
429
$1M - $10M
429
$25M - $50M
429
$100M - $250M
427
$1M - $10M
424
$50M - $100M
423
$1M - $10M
421
$3.6M
$1M - $10M
419
$50M - $100M
418
$602M
$1M - $10M
417
$25M - $50M
417
$500M - $1B
416
$1M - $10M
415
$130M
$500M - $1B
414
$122M
$25M - $50M
411
$1M - $10M
410
$25M - $50M
410
$1M - $10M
407
$10M - $25M
407
$1M - $10M
407
$50M - $100M
406
$1M - $10M
405
$100M - $250M
404
$1M - $10M
403
$250M - $500M
403
$179M
$25M - $50M
400
<$1M
400
$39M
$50M - $100M
399
$1M - $10M
398
<$1M
397
$1M - $10M
397
$1M - $10M
396
$1M - $10M
394
$1M - $10M
393
$27M
$1M - $10M
393
$1M - $10M
392
$3.5M
$25M - $50M
389
$10M - $25M
388
$10M - $25M
388
$10M - $25M
387
$13M
$1M - $10M
385
$54K
$100M - $250M
385
$10M - $25M
384
<$1M
384
$500K
$1M - $10M
382
$1M - $10M
381
$276M
$50M - $100M
381
$100M - $250M
380
<$1M
380
$1M - $10M
379
$1M - $10M
378
$250M - $500M
378
$50M - $100M
375
$1M - $10M
375
$1B - $10B
374
$10M - $25M
373
$100M - $250M
372
$1M - $10M
371
$100M - $250M
371
$1M - $10M
370
$3.3M
$50M - $100M
369
$25M - $50M
369
<$1M
368
$1M - $10M
367
$25M - $50M
365
$50M - $100M
365
$100M - $250M
364
$1M - $10M
361
$1M - $10M
361
$100M - $250M
354
$1B - $10B
352
$106M
$25M - $50M
352
$50M - $100M
351
$18B
$500M - $1B
351
$1.2M
$500M - $1B
349
$25M - $50M
346
$10M - $25M
345
$10M - $25M
344
$1M - $10M
344
$2.1B
$500M - $1B
337
$10M - $25M
337
$1M - $10M
336
$1M - $10M
336
$25M - $50M
336
$25M - $50M
335
$25M - $50M
335
$52M
$50M - $100M
335
$1M - $10M
335
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 The AA (Ireland), Ardmac and eir business. 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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