Top 94 Companies in Ireland by Market Cap

This is the list of the 94 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) Stock Country Sector Industry
1 Accenture plc $219.03 B ACN Ireland Technology Information Technology Services
2 Medtronic plc $151.06 B MDT Ireland Healthcare Medical Devices
3 Eaton Corporation plc $62.17 B ETN Ireland Industrials Specialty Industrial Machinery
4 Johnson Controls International plc $48.15 B JCI Ireland Industrials Engineering & Construction
5 Trane Technologies plc $37.36 B TT Ireland Industrials Specialty Industrial Machinery
6 Experian plc $35.40 B EXPN Ireland Industrials Consulting Services
7 Aptiv PLC $33.02 B APTV Ireland Consumer Discretionary Auto Parts
8 CRH plc $31.45 B CRH Ireland Basic Materials Building Materials
9 STERIS plc $23.93 B STE Ireland Healthcare Medical Instruments & Supplies
10 Horizon Therapeutics Public Limited Company $23.64 B HZNP Ireland Healthcare Drug Manufacturers—General
11 Seagate Technology plc $21.21 B STX Ireland Technology Computer Hardware
12 Flutter Entertainment plc $20.58 B FLTR Ireland Consumer Discretionary Gambling
13 Ryanair Holdings plc $19.78 B

(Jan. 1, 2022)

RY4C Ireland Industrials Airlines
14 Kerry Group plc $19.74 B KRZ Ireland Consumer Staples Packaged Foods
15 Kingspan Group plc $17.60 B KRX Ireland Industrials Building Products & Equipment
16 James Hardie Industries plc $13.43 B JHX Ireland Basic Materials Building Materials
17 ICON Public Limited Company $13.01 B ICLR Ireland Healthcare Diagnostics & Research
18 Smurfit Kappa Group plc $11.48 B SK3 Ireland Consumer Discretionary Packaging & Containers
19 Allegion plc $10.05 B ALLE Ireland Industrials Security & Protection Services
20 Jazz Pharmaceuticals plc $8.85 B JAZZ Ireland Healthcare Biotechnology
21 DCC plc $7.80 B DCC Ireland Energy Oil & Gas Refining & Marketing
22 Bank of Ireland Group plc $6.84 B BIRG Ireland Financials Banks
23 AerCap Holdings N.V. $6.69 B AER Ireland Industrials Airports & Air Services
24 AIB Group plc $6.08 B A5G Ireland Financials Banks
25 Perrigo Company plc $5.17 B PRGO Ireland Healthcare Drug Manufacturers—Specialty & Generic
26 Alkermes plc $4.14 B ALKS Ireland Healthcare Biotechnology
27 Adient plc $3.92 B ADNT Ireland Consumer Discretionary Auto Parts
28 Glanbia plc $3.52 B GL9 Ireland Consumer Staples Packaged Foods
29 Grafton Group plc $3.07 B GFTU Ireland Industrials Building Products & Equipment
30 UDG Healthcare plc $2.70 B

(March 13, 2021)

UDG Ireland Healthcare Medical Care Facilities
31 Keywords Studios plc $2.55 B KWS Ireland Communication Services Electronic Gaming & Multimedia
32 Cimpress plc $1.64 B CMPR Ireland Communication Services Advertising Agencies
33 Prothena Corporation plc $1.57 B PRTA Ireland Healthcare Biotechnology
34 Amarin Corporation plc $1.31 B AMRN Ireland Healthcare Biotechnology
35 Hibernia REIT plc $1.21 B HBRN Ireland Real Estate REIT—Diversified
36 Glenveagh Properties plc $1.16 B GVR Ireland Consumer Discretionary Residential Construction
37 Uniphar plc $1.11 B UPR Ireland Healthcare Medical Care Facilities
38 Cairn Homes plc $1.05 B C5H Ireland Consumer Discretionary Residential Construction
39 C&C Group plc $1.00 B CCR Ireland Consumer Staples Beverages—Brewers
40 Dalata Hotel Group plc $980.1 M DHG Ireland Consumer Discretionary Lodging
41 Total Produce plc $973.0 M

(March 13, 2021)

T7O Ireland Consumer Staples Farm Products
42 COSMO Pharmaceuticals NV $957.7 M C43 Ireland Healthcare Drug Manufacturers—General
43 Greencoat Renewables plc $945.8 M GRP Ireland Utilities Utilities—Independent Power Producers
44 Greencore Group plc $917.7 M GNC Ireland Consumer Staples Packaged Foods
45 Irish Residential Properties REIT Plc $884.4 M IRES Ireland Real Estate REIT—Residential
46 Applegreen plc $830.9 M

(March 13, 2021)

APGN Ireland Consumer Discretionary Specialty Retail
47 Irish Continental Group plc $812.2 M IR5B Ireland Industrials Marine Shipping
48 Permanent TSB Group Holdings plc $811.4 M IL0A Ireland Financials Banks
49 Kenmare Resources plc $695.9 M KMR Ireland Basic Materials Other Industrial Metals & Mining
50 Origin Enterprises plc $595.9 M OIZ Ireland Consumer Staples Farm Products