Top 1000 Companies in Ireland by Market Cap

This is the list of the 1000 largest public listed companies in Ireland by market capitalization. The rankings and Market Cap data of these companies are updated regularly.

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Top Companies from Ireland as of Apr. 01, 2022

Ranking Company Market Cap (USD) Country Sector Industry
1 Accenture plc $219.03 B Ireland Technology Information Technology Services
2 Medtronic plc $151.06 B Ireland Healthcare Medical Devices
3 Eaton Corporation plc $62.17 B Ireland Industrials Specialty Industrial Machinery
4 Johnson Controls International plc $48.15 B Ireland Industrials Engineering & Construction
5 Trane Technologies plc $37.36 B Ireland Industrials Specialty Industrial Machinery
6 Experian plc $35.40 B Ireland Industrials Consulting Services
7 Aptiv PLC $33.02 B Ireland Consumer Discretionary Auto Parts
8 CRH plc $31.45 B Ireland Basic Materials Building Materials
9 STERIS plc $23.93 B Ireland Healthcare Medical Instruments & Supplies
10 Horizon Therapeutics Public Limited Company $23.64 B Ireland Healthcare Drug Manufacturers—General
11 Seagate Technology plc $21.21 B Ireland Technology Computer Hardware
12 Flutter Entertainment plc $20.58 B Ireland Consumer Discretionary Gambling
13 Ryanair Holdings plc $19.78 B

(Jan. 1, 2022)

Ireland Industrials Airlines
14 Kerry Group plc $19.74 B Ireland Consumer Staples Packaged Foods
15 Kingspan Group plc $17.60 B Ireland Industrials Building Products & Equipment
16 James Hardie Industries plc $13.43 B Ireland Basic Materials Building Materials
17 ICON Public Limited Company $13.01 B Ireland Healthcare Diagnostics & Research
18 Smurfit Kappa Group plc $11.48 B Ireland Consumer Discretionary Packaging & Containers
19 Allegion plc $10.05 B Ireland Industrials Security & Protection Services
20 Jazz Pharmaceuticals plc $8.85 B Ireland Healthcare Biotechnology
21 DCC plc $7.80 B Ireland Energy Oil & Gas Refining & Marketing
22 Bank of Ireland Group plc $6.84 B Ireland Financials Banks
23 AerCap Holdings N.V. $6.69 B Ireland Industrials Airports & Air Services
24 AIB Group plc $6.08 B Ireland Financials Banks
25 Perrigo Company plc $5.17 B Ireland Healthcare Drug Manufacturers—Specialty & Generic
26 Alkermes plc $4.14 B Ireland Healthcare Biotechnology
27 Adient plc $3.92 B Ireland Consumer Discretionary Auto Parts
28 Glanbia plc $3.52 B Ireland Consumer Staples Packaged Foods
29 Grafton Group plc $3.07 B Ireland Industrials Building Products & Equipment
30 UDG Healthcare plc $2.70 B

(March 13, 2021)

Ireland Healthcare Medical Care Facilities
31 Keywords Studios plc $2.55 B Ireland Communication Services Electronic Gaming & Multimedia
32 Cimpress plc $1.64 B Ireland Communication Services Advertising Agencies
33 Prothena Corporation plc $1.57 B Ireland Healthcare Biotechnology
34 Amarin Corporation plc $1.31 B Ireland Healthcare Biotechnology
35 Hibernia REIT plc $1.21 B Ireland Real Estate REIT—Diversified
36 Glenveagh Properties plc $1.16 B Ireland Consumer Discretionary Residential Construction
37 Uniphar plc $1.11 B Ireland Healthcare Medical Care Facilities
38 Cairn Homes plc $1.05 B Ireland Consumer Discretionary Residential Construction
39 C&C Group plc $1.00 B Ireland Consumer Staples Beverages—Brewers
40 Dalata Hotel Group plc $980.1 M Ireland Consumer Discretionary Lodging
41 Total Produce plc $973.0 M

(March 13, 2021)

Ireland Consumer Staples Farm Products
42 COSMO Pharmaceuticals NV $957.7 M Ireland Healthcare Drug Manufacturers—General
43 Greencoat Renewables plc $945.8 M Ireland Utilities Utilities—Independent Power Producers
44 Greencore Group plc $917.7 M Ireland Consumer Staples Packaged Foods
45 Irish Residential Properties REIT Plc $884.4 M Ireland Real Estate REIT—Residential
46 Applegreen plc $830.9 M

(March 13, 2021)

Ireland Consumer Discretionary Specialty Retail
47 Irish Continental Group plc $812.2 M Ireland Industrials Marine Shipping
48 Permanent TSB Group Holdings plc $811.4 M Ireland Financials Banks
49 Kenmare Resources plc $695.9 M Ireland Basic Materials Other Industrial Metals & Mining
50 Origin Enterprises plc $595.9 M Ireland Consumer Staples Farm Products

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