There are 401,897 companies and businesses in Ireland in our data, counted on 2 November 2026. 332,396 of them are corporations.
List of all companies in Ireland
Ireland has 401,897 registered companies and businesses in our data, counted on 2 November 2026. 332,396 of them are corporations. We build the records from Companies Registration Office (CRO) and other official sources, and add the sole traders, branch locations and public bodies a register leaves out. Most of them are small: 75% have fewer than five employees. Below you find the largest, the smallest, the newest and the oldest companies in Ireland, where they are based and what they do. Want to buy the list of all 401,897 Irish companies as an API integration or Excel file? Get it from our Irish company database.
401,897 companies indexed · Data counted on 2 November 2026
Companies401,897
Corporations332,396
Counties26
Largest countyDublin 39%
Employees1-4
Revenue$1-100K
Email14%
Phone22%
Website21%
Irish company list: all 401,897 companies
The list of all companies and businesses in Ireland, live and sorted by revenue. Narrow it by region, city, industry, size, revenue, legal form or founding year. The full search is on our Irish company directory.
Apple Operations International LIMITEDApple Operations International LIMITED
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Apple Operations International LIMITED | Ireland | Cork | Millfield Industrial Estate | Cork | T23 YK84 | *****.com | 1980 | $235,322,000,000 | 56,694 | Corporation | 783 | 76941 |
| 2 | Cencora Global Procurement LIMITED | Ireland | Cork | Penrose One | Cork | T23 DX8P | N/A | 2022 | $208,701,364,691 | 11 | Corporation | 845 | 728560 |
| 3 | Logstrup (ireland) LIMITED | Ireland | Tuam | Dunmore Road | Galway | H54 RR44 | *****.com | 1982 | $99,134,219,681 | 390 | Corporation | 8 | 58370 |
| 4 | Microsoft Ireland Operations LIMITED | Ireland | Dublin 18 | One Microsoft Place | Dublin | D18 P521 | *****.com | 1996 | $93,134,652,000 | 2,934 | Corporation | 1125 | 256796 |
| 5 | Google Ireland LIMITED | Ireland | Dublin 4 | Gordon House | Dublin | D04E5W5 | *****.ie | 2003 | $91,611,005,411 | 4,882 | Corporation | 517 | 368047 |
| 6 | Meta Platforms Ireland LIMITED | Ireland | Dublin 4 | Merrion Road | Dublin | D04 X2K5 | N/A | 2008 | $90,200,083,525 | 1,738 | Corporation | 43 | 462932 |
| 7 | Microsoft Ireland Research Unlimited Company | Ireland | Dublin | 70 Sir John Rogerson'S Quay | Dublin | D02 R296 | N/A | 2001 | $76,373,914,000 | 1,463 | Corporation | 1125 | 342235 |
| 8 | Pse Kinsale Energy LIMITED | Ireland | Cork | Nyhan Industrial Estate | Cork | T12 PW92 | N/A | 2003 | $71,049,963,300 | 43,266 | Foreign company | 2 | 904997 |
| 9 | Accenture Public LIMITED Company | Ireland | Dublin | 3 Grand Canal Plaza | Dublin | D04 EE70 | *****.com | 2009 | $69,672,977,000 | 791,868 | Corporation | 1667 | 471706 |
| 10 | Zurich Insurance Company LTD | Ireland | Dublin | Legal Department | Dublin | D01 R5P3 | *****.ie | 1928 | $68,124,000,000 | 11 | Foreign company | 1464 | 900488 |
| 11 | Accenture LIMITED | Ireland | Dublin | 1 Grand Canal Square Grand Canal Harbour | Dublin | D02P820 | N/A | 2001 | $61,594,305,000 | 693,748 | Corporation | 1667 | 340745 |
| 12 | Microsoft Round Island One Unlimited Company | Ireland | Dublin | 70 Sir John Rogerson'S Quay | Dublin | D02 R296 | N/A | 2001 | $48,103,892,000 | 17 | Corporation | 1125 | 348353 |
| 13 | Microsoft Ireland Investments Unlimited Company | Ireland | Dublin | 70 Sir John Rogerson'S Quay | Dublin | D02 R296 | N/A | 2021 | $48,000,000,000 | 4 | Corporation | 1125 | 686775 |
| 14 | United Airlines , INC. | Ireland | Dublin | 61a | Dublin | N/A | *****.com | 1980 | $37,864,000,000 | 27 | Foreign company | 437 | 904061 |
| 15 | Crh Public LIMITED Company | Ireland | Rathfarnham | Stonemason S Way | Dublin | D16 KH51 | *****.com | 1970 | $37,447,000,000 | 83,032 | Corporation | 3146 | 12965 |
| 16 | Qatar Airways Group (q.c.s.c.) | Ireland | Dublin | Offices D045-02-36 Level 3 Mezzanine | Dublin | K67 P0E0 | N/A | 1993 | $35,572,289,110 | 7 | Foreign company | 549 | 908631 |
| 17 | Eli Lilly Ireland Holdings LIMITED | Ireland | Kinsale | Dunderrow | Cork | N/A | N/A | 2016 | $34,719,200,000 | 4 | Corporation | 419 | 594065 |
| 18 | Medtronic Public LIMITED Company | Ireland | Galway | Building 2 Parkmore | Galway | N/A | *****.com | 1950 | $33,537,000,000 | 104,210 | Corporation | 658 | 545333 |
| 19 | Linde Public LIMITED Company | Ireland | Dublin | Ten | Dublin | N/A | N/A | 2017 | $33,005,000,000 | 65,815 | Corporation | 4058 | 606357 |
| 20 | P.M.I. Trading Designated Activity Company | Ireland | Dublin 13 | 25 North Wall Quay | Dublin | D01 H104 | N/A | 1991 | $31,275,219,000 | 13 | Corporation | 6 | 174135 |
| 21 | Nutricia Infant Nutrition LIMITED | Ireland | Dublin | 70 Sir John Rogerson'S Quay | Dublin | D02 R296 | *****.ie | 2004 | $28,950,339,008 | 88,843 | Corporation | 766 | 384474 |
| 22 | Pfizer Service Company Ireland Unlimited Company | Ireland | Dublin | Ringsend Road | Dublin | D04 K7N3 | N/A | 1990 | $27,888,666,000 | 53,449 | Corporation | 211 | 167647 |
| 23 | Eaton CORPORATION Public LIMITED Company | Ireland | Dublin | Eaton House | Dublin | D04 Y0C2 | *****.com | 2012 | $24,878,000,000 | 95 | Corporation | 1195 | 512978 |
| 24 | Crh North America LIMITED | Ireland | Dublin | 42 Fitzwilliam Square West | Dublin | D02 R279 | *****.com | 1974 | $24,002,608,119 | 79,560 | Corporation | 3146 | 47622 |
| 25 | Johnson Controls International Public LIMITED Company | Ireland | Cork | 1 Albert Quay | Cork | T12 X8N6 | *****.com | 1960 | $23,596,000,000 | 87,000 | Corporation | 2559 | 543654 |
Showing 25 of 401,897 companies
Request Free SampleHow many companies are there in Ireland?
Companies and businesses in Ireland
401,897
2 November 2026
There are 401,897 companies and businesses in Ireland in our data, counted on 2 November 2026. That is every kind of business, not only the registered companies: 332,396 corporations (Ltd, DAC and PLC), 6,143 sole traders (sole traders) and 1,406 partnerships (partnerships). On top of those come 2 non-profit organisations and 3,752 branches of foreign companies.
Structure
- Single-site businesses
- 372,800 93%
- Head offices
- 24,714
- Branch locations
- 4,383
Legal form
- Corporations
- 332,396 83%
- Sole traders
- 6,143
- Partnerships
- 1,406
Per working day this year
≈ 85
new companies registered · 18,598 so far in 2026
How to search the Irish company register, or pull these counts yourself with the Company Data API.
Largest companies in Ireland
Which are the largest companies in Ireland? That depends on what you measure. By number of employees the biggest employer is Accenture, with 693,748 staff, ahead of WPP Emerald and Medtronic Public Limited. By yearly revenue the largest company is Apple Operations International, ahead of Accenture and CRH Public Limited. Below are the top companies of Ireland ranked four ways: by number of employees, by yearly revenue, the largest public-sector employers and the biggest foreign companies in Ireland. 38 Irish companies employ more than 10,000 people and 347 report more than $1 billion a year.
Accenture has the largest headcount of any company in Ireland in our data. 38 Irish companies list more than 10,000 people, 697 more than 500.
- 1693,748 staff
- 2111,281 staff
- 3104,210 staff
- 488,843 staff
- 587,000 staff
- 683,032 staff
- 777,000 staff
- 866,000 staff
- 965,815 staff
- 1057,924 staff
Headcount as it is recorded on the company; for a group's parent or holding company it is usually the whole group's, worldwide.
Apple Operations International is the largest company in Ireland by revenue; 347 Irish companies report more than $1 billion a year. Corporations only.
- 1$235.3B
- 2$61.6B
- 3$37.4B
- 4$33.5B
- 5$33.0B
- 6$29.0B
- 7$27.9B
- 8$23.6B
- 9$22.8B
- 10$19.8B
Industrial Development Agency (Ireland) is the largest public body in our data for Ireland, with 50,000 staff.
- 150,000 staff
3,752 foreign companies have a registered branch or establishment in Ireland.
- 1101,387 worldwide
- 243,266 worldwide
- 327,987 worldwide
- 420,036 worldwide
- 515,774 worldwide
- 611,396 worldwide
- 74,864 worldwide
- 84,565 worldwide
Headcount and revenue are those of the worldwide company, not of the branch in Ireland.
By employee size · 381,055 companies with a known headcount
| Employees | Share | Companies | % |
|---|---|---|---|
| 1-4 | 286,218 | 75% | |
| 5-9 | 45,766 | 12% | |
| 10-19 | 25,726 | 7% | |
| 20-49 | 15,258 | 4% | |
| 50-99 | 4,326 | 1% | |
| 100-199 | 1,963 | 0.5% | |
| 200-499 | 1,101 | 0.3% | |
| 500+ | 697 | 0.2% |
75% have 1 to 4 employees; 697 have 500 or more.
By yearly revenue (USD)
| Revenue | Share | Companies | % |
|---|---|---|---|
| < $100K | 247,380 | 64% | |
| $100K-$500K | 104,801 | 27% | |
| $500K-$1M | 10,320 | 3% | |
| $1M-$5M | 12,760 | 3% | |
| $5M-$10M | 2,633 | 0.7% | |
| $10M-$100M | 8,097 | 2% | |
| $100M-$1B | 1,464 | 0.4% | |
| $1B+ | 347 | <0.1% |
1,811 companies report more than $100 million; 347 more than $1 billion.
Small businesses in Ireland
Most companies in Ireland are small businesses. Of the 381,055 with a known headcount, 331,984 (87%) are micro businesses with fewer than ten employees, 40,984 are small (10 to 49) and 7,390 medium-sized (50 to 499). Only 697 employ 500 people or more, so 99.82% of Irish companies are SMEs. This is where our data is strongest: sole traders, micro companies and single shops, each with an address and an industry code.
| Size class | Share | Companies | % |
|---|---|---|---|
| Micro · fewer than 10 | 331,984 | 87% | |
| Small · 10 to 49 | 40,984 | 11% | |
| Medium · 50 to 499 | 7,390 | 2% | |
| Large · 500 or more | 697 | 0.2% |
286,218
companies have 1 to 4 employees (75%). 247,380 turn over less than $100,000 a year.
6,143
sole traders are in the data, each with an address and an industry code.
94%
of the 18,598 companies started in 2026 have 1 to 4 employees (17,235). Only 2 started with 200 staff or more.
Where are companies in Ireland based?
Dublin has more companies than any other county in Ireland: 155,159, or 39% of the total, ahead of Cork (43,520) and Galway (18,887). Below you find the twelve largest of its 26 counties and the ten busiest cities, with a link to the local list where we have one.
The twelve largest of 26 counties
| County | Share | Companies | % |
|---|---|---|---|
| Dublin | 155,159 | 39% | |
| Cork | 43,520 | 11% | |
| Galway | 18,887 | 5% | |
| Kildare | 15,841 | 4% | |
| Limerick | 14,057 | 3% | |
| Meath | 12,529 | 3% | |
| North Tipperary | 10,922 | 3% | |
| Louth | 10,884 | 3% | |
| Donegal | 10,795 | 3% | |
| Kerry | 10,751 | 3% | |
| Wexford | 10,387 | 3% | |
| Wicklow | 9,949 | 2% |
Ten busiest cities
- Dublin118,946
- Cork25,752
- Galway12,452
- Limerick12,052
- Naas6,464
- Waterford5,439
- Dundalk5,317
- Drogheda5,105
- Kilkenny5,064
- Navan4,938
Main industries in Ireland
Wholesale and retail is the biggest sector in Ireland by number of companies: 45,221, or 13% of all firms with an industry code. Next come finance and insurance (41,485) and professional, scientific and technical (40,819). Irish companies are classified by their NACE code; 339,773 have one in our data. Below you find the main sectors, the largest industries with their biggest companies and our 74 industry lists for Ireland.
- Wholesale and retail45,22113%
- Finance and insurance41,48512%
- Professional, scientific and technical40,81912%
- Construction26,3628%
- Accommodation and food24,7907%
- Administrative and support23,4917%
- Information and communication21,4646%
- Real estate19,9986%
- Other services19,0506%
- Health and social work17,0025%
- Manufacturing15,9885%
- Arts and recreation12,7654%
- Agriculture11,4313%
- Transport and storage9,3343%
- Education7,3132%
- Public administration1,4710.4%
- Water and waste8890.3%
- Mining5560.2%
- Energy311<0.1%
- Extraterritorial organisations23<0.1%
- Households as employers10<0.1%
Records without a NACE code are not in this chart. Click a section for its industry pages.
Largest industries in Ireland
37,724
NACE 64: Financial service activities, except insurance and pension funding
- 17,367 staff
- 25,761 staff
- 32,880 staff
19,998
NACE 68: Real estate activities
- 110,012 staff
- 22,695 staff
- 31,422 staff
19,917
Restaurants and food service
NACE 56: Food and beverage service activities
- 11,964 staff
- 21,932 staff
- 31,744 staff
19,771
NACE 43: Specialised construction activities
- 1987 staff
- 2800 staff
- 3410 staff
17,381
Head offices and management consultancy
NACE 70: Activities of head offices and management consultancy
- 13,108 staff
- 22,008 staff
- 31,914 staff
15,363
NACE 62: Computer programming, consultancy and related activities
- 12,817 staff
- 22,347 staff
- 32,167 staff
Discover more: all Irish industries, cities and regions
Every Irish list we publish. Industries are grouped by economic sector.
A · Agriculture
B · Mining
C · Manufacturing
D · Energy
F · Construction
G · Wholesale and retail
H · Transport and storage
I · Accommodation and food
J · Information and communication
K · Finance and insurance
L · Real estate
M · Professional, scientific and technical
N · Administrative and support
P · Education
Q · Health and social work
R · Arts and recreation
S · Other services
More industries
Countries
- Afghanistan
- Albania
- Algeria
- Angola
- Argentina
- Armenia
- Aruba
- Australia
- Austria
- Azerbaijan
- Bahamas
- Bahrain
- Bangladesh
- Barbados
- Belarus
- Belgium
- Belize
- Bermuda
- Bolivia
- Bosnia and Herzegovina
- Botswana
- Brazil
- Cameroon
- Canada
- Cayman Islands
- Chile
- China
- Colombia
- Costa Rica
- Croatia
- Curaçao
- Cyprus
- Czech Republic
- Denmark
- Dominican Republic
- Ecuador
- Egypt
- El Salvador
- Estonia
- Ethiopia
- Finland
- France
- Georgia
- Germany
- Ghana
- Gibraltar
- Greece
- Greenland
- Guatemala
- Honduras
- Hong Kong
- Hungary
- Iceland
- India
- Indonesia
- Iran
- Iraq
- Israel
- Italy
- Ivory Coast
- Jamaica
- Japan
- Jordan
- Kazakhstan
- Kenya
- Kuwait
- Kyrgyzstan
- Latvia
- Lebanon
- Liechtenstein
- Lithuania
- Luxembourg
- Macao
- Malawi
- Malaysia
- Malta
- Mauritius
- Mexico
- Moldova
- Monaco
- Montenegro
- Morocco
- Mozambique
- Namibia
- Nepal
- Netherlands
- New Zealand
- Nicaragua
- Niger
- Nigeria
- North Macedonia
- Norway
- Oman
- Pakistan
- Panama
- Paraguay
- Peru
- Philippines
- Poland
- Portugal
- Qatar
- Romania
- Russia
- Saudi Arabia
- Serbia
- Singapore
- Slovakia
- Slovenia
- South Africa
- South Korea
- Spain
- Sri Lanka
- Sweden
- Switzerland
- Syria
- Taiwan
- Tanzania
- Thailand
- Trinidad and Tobago
- Tunisia
- Turkey
- Turkey
- UAE
- Uganda
- UK
- Ukraine
- Uruguay
- USA
- Uzbekistan
- Venezuela
- Vietnam
- Yemen
- Zambia
- Zimbabwe
How many new companies are registered in Ireland? (2026)
18,598 new companies and startups registered in Ireland so far in 2026, about 85 every working day, after a record 26,471 new businesses in 2025. Most startups begin small: 94% of this year's newcomers have one to four employees. 18,333 of them are corporations (Ltd, DAC and PLC).
≈ 85
new companies register every working day in 2026
94%
of this year's startups begin with one to four employees
26,471
new companies in 2025, a record year
Companies founded per year
- 19,3932022
- 20,8992023
- 23,0922024
- 26,4712025
- 18,5982026 so far
The biggest newcomers of 2026
A new registration is often a restructuring, not a start-up: the largest newcomers are new holding and property companies for existing businesses.
- 1700 staff
- 2256 staff
- 3136 staff
- 480 staff
- 579 staff
Oldest companies in Ireland
The oldest company in Ireland that still trades is Beamish & Crawford, founded in 1792. Older still is Charleville Park Hotel & Leisure Club, from 1291, the oldest organisation in our data that is still active. In total our data holds 69 Irish organisations founded before 1700, 135 before 1800, 634 before 1900 and 2,355 before 1950.
Oldest organisations still active
- 1291250 staff
- 17602,363 staff
- 178311,326 staff
Oldest large trading companies
- 1792$118.8M
The founding year is the year a business traces itself to, as recorded in the register and company filings, not the incorporation date of the current legal entity. Trading companies listed here report $100 million or more a year.
Older than you
Move the slider to a year. Two live counts from the founding year in our data.
21,077
Irish companies were founded before 1990
1,776
were founded in 1990
376,261 Irish companies, 95% of those with a founding year on record, were founded in 1990 or later. 21,077 are older.
Types of companies in Ireland
Four in five Irish businesses in our data are corporations (Ltd, DAC and PLC), and one in sixty-five is a sole trader (sole traders). Partnerships (partnerships) make up 0.3%. The chart shows every legal form in our data.
- Corporations332,39683%
- No legal form on record57,94414%
- Sole traders6,1432%
- Partnerships1,4060.3%
- Foreign companies3,7520.9%
- Non-profit organisations2<0.1%
- Cooperatives242<0.1%
- Joint ventures12<0.1%
Which Irish companies are part of a group?
Most Irish companies stand alone: 93% are single-site businesses. The other 29,097 are part of a multi-site structure, as one of 24,714 head offices or 4,383 branches. The largest corporate family on this page is Linde Public Limited, with 4,058 companies in its group.
The largest corporate families on this page
- 14,058 companies
- 23,146 companies
- 32,559 companies
- 41,842 companies
- 51,810 companies
- 61,667 companies
- 7999 companies
- 8943 companies
Counted from the largest companies on this page, not from all 401,897; the API has no group-size filter.
What you can reach: contact data on Irish companies
83,723 Irish companies have a website on record (21%), 89,144 a phone number (22%) and 55,955 an email address (14%). Among corporations: 13% have a website and 9% an email address.
| Field | Share | Companies | % |
|---|---|---|---|
| Website | 83,723 | 21% | |
| Phone | 89,144 | 22% | |
| 55,955 | 14% |
Questions about companies in Ireland
Every answer is counted from the data on this page (2 November 2026).
401,897. That includes 6,143 sole traders and 1,406 partnerships.
332,396 corporations, 83% of all Irish businesses in our data (2 November 2026).
Of the 381,055 Irish companies with a known headcount, 380,358 have fewer than 500 employees: 331,984 micro, 40,984 small and 7,390 medium-sized. 697 are large enterprises.
Apple Operations International, with $235.3 billion in yearly revenue, ahead of Accenture ($61.6B) and CRH Public Limited ($37.4B).
Accenture, with 693,748 staff on its record (for a group's parent this is usually the whole group's headcount).
Among large trading companies, Beamish & Crawford, founded in 1792. The oldest organisation still active is Charleville Park Hotel & Leisure Club, 1291.
155,159, 39% of all Irish companies (2 November 2026).
18,598 so far in 2026, about 85 per working day, after a record 26,471 in 2025.
From Companies Registration Office (CRO) and other official sources, combined with company websites and filings, and refreshed every month.
83,723, 21% of all Irish companies. 89,144 have a phone number and 55,955 an email address.
Yes. The full list of 401,897 companies is available as Excel, CSV or through the API from our Irish company database.
Get the full list
All 401,897 companies in Ireland with address, NACE code, legal form, employees, revenue, founding year, website, phone and email where we hold them. Excel, CSV or API. The product details are in our Irish company database.
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