Investlytic Rankings

Ranking of the largest Irish companies

Largest listed companies whose headquarters are in Ireland (57 companies ranked), by market capitalization, with their revenue and net income for the 2025 fiscal year.

Share prices and capitalizations at 2026-10-29·Reference fiscal year 2025·Calculated on 2026-11-01· 57 companies ranked
Metric : market capitalization at the date of the indicated prices; revenue and net income for fiscal year 2025 (published annual accounts). Scope : companies whose headquarters country is Ireland and whose 2025 accounts are published. Currency : Amounts converted into US dollars at the exchange rate of the day of calculation; the amount in the currency of the accounts is repeated under each value. Only companies whose data is published are ranked: a missing value excludes the company, it is never replaced by zero or estimated.
#EnterpriseMarketSector Market cap (USD)Turnover 2025Net income 2025
1Accenture plcACN🇮🇪EuropeTechnology158,03 billion $69,67 billion $7,68 billion $
2Seagate Technology Holdings plcSTX🇮🇪EuropeTechnology146,57 billion $9,10 billion $1,47 billion $
3Eaton Corporation plcETN🇮🇪EuropeIndustrials143,70 billion $27,45 billion $4,09 billion $
4Medtronic plcMDT🇮🇪EuropeHealthcare123,49 billion $33,54 billion $4,66 billion $
5PDD Holdings Inc.PDD🇮🇪EuropeConsumer Cyclical111,89 billion $64,90 billion $14,70 billion $
6Johnson Controls International plcJCI🇮🇪EuropeIndustrials90,27 billion $23,60 billion $3,29 billion $
7Trane Technologies plcTT🇮🇪EuropeIndustrials89,75 billion $21,32 billion $2,92 billion $
8Aon plcAON🇮🇪EuropeFinancial Services68,24 billion $17,18 billion $3,69 billion $
9CRH plcCRH🇮🇪EuropeBasic Materials60,41 billion $37,45 billion $3,75 billion $
10Experian plcEXPGY🇮🇪EuropeIndustrials35,40 billion $7,63 billion $1,18 billion $
11Ryanair Holdings plcRYAOF🇺🇸United StatesIndustrials30,63 billion $15,60 billion $1,80 billion $
12AIB Group plcAIBGY🇮🇪EuropeFinancial Services25,27 billion $6,52 billion $2,39 billion $
13AerCap Holdings N.V.AER🇮🇪EuropeIndustrials24,48 billion $8,19 billion $3,75 billion $
14Smurfit Westrock PlcSW🇮🇪EuropeConsumer Cyclical22,60 billion $31,18 billion $699,0 M$
15STERIS plcSTE🇺🇸United StatesHealthcare22,14 billion $5,46 billion $614,6 M$
16Kingspan Group plcKGSPY🇮🇪EuropeIndustrials19,67 billion $10,29 billion $750,7 M$
17Bank of Ireland Group plcBKRIY🇮🇪EuropeFinancial Services19,55 billion $8,03 billion $1,34 billion $
18Kerry Group plcKRYAF🇮🇪EuropeConsumer Defensive17,00 billion $7,56 billion $736,5 M$
19ICON Public Limited CompanyICLR🇮🇪EuropeHealthcare16,31 billion $8,25 billion $229,3 M$
20Allegion plcALLE🇮🇪EuropeIndustrials15,85 billion $4,07 billion $643,8 M$
21James Hardie Industries plcJHX🇮🇪EuropeBasic Materials15,81 billion $3,88 billion $424,0 M$
22Flutter Entertainment plcFLUT🇮🇪EuropeConsumer Cyclical14,33 billion $16,38 billion $-380,0 M$
23Jazz Pharmaceuticals plcJAZZ🇮🇪EuropeHealthcare14,02 billion $4,27 billion $-356,1 M$
24Aptiv PLCAPTV🇮🇪EuropeConsumer Cyclical9,12 billion $20,40 billion $165,0 M$
25Alkermes plcALKS🇮🇪EuropeHealthcare7,61 billion $1,48 billion $241,7 M$
26DCC plcDCCPF🇮🇪EuropeEnergy7,31 billion $24,12 billion $276,6 M$
27Glanbia plcGLAPY🇮🇪EuropeConsumer Defensive5,61 billion $4,11 billion $190,8 M$
28Navitas Semiconductor CorporationNVTS🇮🇪EuropeTechnology2,21 billion $45,9 M$-117,0 M$
29Perrigo Company plcPRGO🇮🇪EuropeHealthcare2,18 billion $4,25 billion $-1,43 billion $
30Grafton Group plcGROUF🇮🇪EuropeIndustrials2,06 billion $3,37 billion $182,9 M$
31Greencore Group plcGNCGY🇮🇪EuropeConsumer Defensive1,92 billion $2,61 billion $77,1 M$
32Cairn Homes plcCRN.L🇬🇧United KingdomConsumer Cyclical1,90 billion $1,42 Bn£1,06 billion $148,4 M$
33Permanent TSB Group Holdings plcILPMY🇺🇸United StatesFinancial Services1,83 billion $1,00 billion $127,5 M$
34Glenveagh Properties PLCGLVHF🇮🇪EuropeConsumer Cyclical1,47 billion $1,04 billion $120,4 M$
35Cimpress plcCMPR🇮🇪EuropeCommunication Services1,40 billion $3,40 billion $15,0 M$
36Irish Continental Group plcIRCUF🇮🇪EuropeIndustrials1,33 billion $745,6 M$83,8 M$
37Adient plcADNT🇮🇪EuropeConsumer Cyclical1,31 billion $14,54 billion $-281,0 M$
38Dole plcDOLE🇮🇪EuropeConsumer Defensive1,23 billion $9,17 billion $66,0 M$
39Cosmo Pharmaceuticals N.V.CMOPF🇮🇪EuropeHealthcare1,17 billion $117,3 M$-4,1 M$
40Uniphar plcUPR.L🇮🇪EuropeHealthcare1,16 billion $869,6 M£3,44 billion $57,1 M$
41Greencoat Renewables PLCGRP.L🇮🇪EuropeUtilities959,2 M$857,7 M€138,5 M$-58,6 M$
42FBD Holdings plcEG7.IR🇮🇪EuropeFinancial Services784,0 M$701,0 M€565,4 M$52,7 M$
43FINEOS Corporation Holdings plcFNCHF🇮🇪EuropeTechnology745,3 M$149,0 M$-6,5 M$
44Irish Residential Properties REIT PlcRSHPF🇮🇪EuropeReal Estate739,5 M$106,5 M$55,6 M$
45ADS-TEC Energy PLCADSE🇮🇪EuropeIndustrials739,1 M$35,3 M$-61,7 M$
46Origin Enterprises plcORENF🇮🇪EuropeConsumer Defensive567,5 M$2,36 billion $59,0 M$
47C&C Group plcCCGPY🇮🇪EuropeConsumer Defensive509,7 M$1,86 billion $15,2 M$
48Prothena Corporation plcPRTA🇮🇪EuropeHealthcare434,8 M$9,7 M$-244,1 M$
49Kenmare Resources plcKMRPF🇮🇪EuropeBasic Materials283,7 M$335,5 M$-331,9 M$
50Amarin Corporation plcAMRN🇮🇪EuropeHealthcare250,5 M$213,6 M$-38,8 M$
51Mincon Group plcMIO.IR🇮🇪EuropeIndustrials228,1 M$204,0 M€166,3 M$6,2 M$
52Hostelworld Group plcHSWLF🇮🇪EuropeConsumer Cyclical154,8 M$104,9 M$7,8 M$
53Aminex PLCAEXFF🇮🇪EuropeEnergy135,5 M$49 000 $-5,0 M$
54Trinity Biotech plcTRIB🇮🇪EuropeHealthcare126,8 M$43,8 M$-37,4 M$
55Oneview Healthcare PLCONVVF🇮🇪EuropeHealthcare125,9 M$13,3 M$-14,0 M$
56Brera Holdings PLCSLMT🇮🇪EuropeFinancial Services26,6 M$4,8 M$-404,1 M$
57Fusion Fuel Green PLCHTOO🇮🇪EuropeUtilities12,8 M$15,5 M$-1,8 M$

⚠ Ranking provided for information purposes, based on public data. It does not constitute investment advice. Values may contain source errors and change with financial publications.

Frequently Asked Questions

About this ranking

Which companies are in this ranking?
Listed companies whose headquarters are located in Ireland and whose 2025 fiscal year accounts are published, ranked by market capitalization. A company without this data is excluded, never estimated.
Are the amounts comparable between countries?
Yes: amounts are converted to US dollars at the exchange rate of the calculation day, and the amount in local currency is repeated under each value.
Is this ranking investment advice?
No. It is provided for information purposes and does not constitute investment advice.

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