Country
Largest Companies in Ireland by Market Cap
Eaton Corporation plc is the biggest company in Ireland by market capitalization ($162.911B). This page ranks 21 publicly traded companies in Ireland by market cap, updated daily.
Top 3 by market cap
- 1.Eaton Corporation plcETN$162.911B
- 2.PDD Holdings Inc.PDD$123.465B
- 3.Medtronic plcMDT$117.784B
| # | Company | Market Cap | Price | Change |
|---|---|---|---|---|
| 1 | $162.911B | $419.44 | -8.68% | |
| 2 | $123.465B | $86.74 | -4.15% | |
| 3 |  Medtronic plcMDT·NYQ | $117.784B | $92.02 | +1.48% |
| 4 |  Accenture plcACN·NYQ | $110.994B | $181.38 | +0.87% |
| 5 | $101.959B | $463.40 | -4.25% | |
| 6 | $87.427B | $144.33 | -6.74% | |
| 7 | $75.088B | $353.98 | -0.70% | |
| 8 | $64.566B | $97.05 | -4.19% | |
| 9 | $59.359B | $205.03 | -6.25% | |
| 10 |  Experian plcEXPGF·OQX | $36.239B | $41.00 | +6.33% |
| 11 |  Ryanair Holdings plcRYAAY·NMS | $29.410B | $56.69 | -4.51% |
| 12 |  AIB Group plcA5G.IR·ISE | $26.057B | $12.44 | +1.35% |
| 13 | $25.995B | $49.56 | -0.12% | |
| 14 | $23.551B | $149.83 | +0.35% | |
| 15 |  Kingspan Group plcKRX.IR·ISE | $21.215B | $117.88 | +0.68% |
| 16 |  Bank of Ireland Group plcBIRG.IR·ISE | $20.390B | $21.62 | +0.42% |
| 17 | $17.503B | $30.15 | -2.99% | |
| 18 | $16.183B | $249.29 | +0.53% | |
| 19 |  Kerry Group plcKRZ.IR·ISE | $15.305B | $96.30 | +2.92% |
| 20 |  Allegion plcALLE·NYQ | $13.630B | $160.28 | -4.84% |
| 21 | $13.034B | $168.93 | +2.02% |
Ireland companies by sector
Frequently asked questions
- What is the largest company in Ireland by market cap?
- Eaton Corporation plc is the largest publicly traded company in Ireland by market capitalization, with a market cap of $162.911B.
- How many companies in Ireland are ranked on this page?
- This ranking includes 21 publicly traded companies headquartered in Ireland, sorted by market capitalization from largest to smallest.
- How often is the Ireland market cap ranking updated?
- Rankings are updated daily using live stock prices and the latest reported financial data.
- What does market capitalization mean?
- Market capitalization is the total value of a company's outstanding shares (share price multiplied by shares outstanding). It is the standard way to rank the largest public companies.