| 1 | Linkedin Ireland Unlimited Company | Ireland | Dublin 24 | One Wilton Park | Dublin | D02 FX04 | N/A | 2009 | $8,936,461,616 | 2,135 | N/A | N/A | 477441 |
| 2 | Indeed Ireland Operations LIMITED | Ireland | Dublin | Block B, Capital Dock, | Dublin | D02 HE36 | N/A | 2012 | $1,793,278,572 | 1,285 | N/A | N/A | 508192 |
| 3 | Cpl Resources LIMITED | Ireland | Dublin | 83 Merrion Square South | Dublin | D02 R299 | cplhealthcare.***** | 1998 | $1,097,438,721 | 11,870 | N/A | N/A | 287278 |
| 4 | Ttm Healthcare LIMITED | Ireland | Barefield | Block 3 | Clare | V95XD79 | ttmhealthcare.***** | 2002 | $141,700,255 | 2,101 | N/A | N/A | 352065 |
| 5 | Oxford Global Resources LIMITED | Ireland | Cork | Penrose Quay | Cork | T23 XY28 | oxfordcorp.***** | 2014 | $120,938,388 | 134 | N/A | N/A | 554626 |
| 6 | Hays Specialist Recruitment (ireland) LIMITED | Ireland | Dublin | 27a Grafton Street, Dublin 2 | Dublin | D02 HH24 | hays.***** | 1996 | $117,696,441 | 149 | N/A | N/A | 252320 |
| 7 | Qcs Staffing Europe LIMITED | Ireland | Swords | 38 Main Street | Dublin | K67E0A2 | N/A | 2020 | $113,865,044 | 5 | N/A | N/A | 671622 |
| 8 | Susquehanna Dublin LIMITED | Ireland | Dublin | International Centre Memorial Road | Dublin | N/A | N/A | 2021 | $99,091,000 | 176 | N/A | N/A | 708765 |
| 9 | Parc Aviation LIMITED | Ireland | Dublin | 1 Block Block 2 | Dublin | N/A | caeparcaviation.***** | 1975 | $90,512,405 | 118 | N/A | N/A | 79948 |
| 10 | Fbd Corporate Services LIMITED | Ireland | Dublin | Fbd House Bluebell | Dublin | N/A | N/A | 2017 | $88,619,877 | 988 | N/A | N/A | 614936 |
| 11 | Mgg Health LIMITED | Ireland | Blackrock | 9 Blackrock Business Park | Dublin | A94 H2X4 | N/A | 2006 | $84,990,126 | 192 | N/A | N/A | 423396 |
| 12 | Pharmeng LIMITED | Ireland | Cork | 8 Eastgate Ave, Eastgate | Cork | T45 NF24 | locumexpress.***** | 2005 | $72,656,740 | 1,447 | N/A | N/A | 398764 |
| 13 | Act1 Group-Agile1 Ireland LIMITED | Ireland | Dublin | C/o Tmf Group Ground Floor | Dublin | D01K2C5 | N/A | 2015 | $72,410,201 | 180 | N/A | N/A | 555441 |
| 14 | Crewlink Ireland LIMITED | Ireland | Dublin | 19 Grange Parade | Dublin | A98 V8P2 | crewlink.***** | 2008 | $61,743,275 | 1,610 | N/A | N/A | 458272 |
| 15 | Manpowergroup (ireland) LIMITED | Ireland | Dublin 8 | The Masonry | Dublin | D08 PY5E | facebook.***** | 2000 | $59,433,528 | 1,308 | N/A | N/A | 332489 |
| 16 | Facilitas Recruitment LIMITED | Ireland | Dublin 9 | Unit 10b, Santry Business Park | Dublin | N/A | ism.***** | 2019 | $50,372,422 | 1,122 | N/A | N/A | 662416 |
| 17 | Remote Management Technology LIMITED | Ireland | Cork | Penrose Wharf | Cork | T23 YY09 | N/A | 2020 | $48,407,876 | 516 | N/A | N/A | 667383 |
| 18 | Skills Team Employment Services LIMITED | Ireland | Dublin 9 | Unit 10b Santry Business Park | Dublin | N/A | www2.***** | 1993 | $47,876,866 | 1,303 | N/A | N/A | 209924 |
| 19 | Connections Recruitment Group LIMITED | Ireland | Dublin | Unit 10b, Santry Business Park, Swords Road, Dubli | Dublin | N/A | ism.***** | 2020 | $47,876,866 | 1,303 | N/A | N/A | 676470 |
| 20 | Nrl Recruitment LIMITED | Ireland | Cork | 85 South Mall | Cork | T12 TP8D | N/A | 2020 | $45,818,460 | 16 | N/A | N/A | 672962 |
| 21 | Thunderbolt Aircraft Lease LIMITED | Ireland | Shannon | 1 Shannon Business Centre | Clare | V14 EV57 | N/A | 2017 | $45,787,000 | 3 | N/A | N/A | 908657 |
| 22 | Nurseoncall Hospital Support Services LIMITED | Ireland | Dublin | 16 Harcourt Street | Dublin | D02 NN29 | nurseoncall.***** | 1997 | $40,871,457 | 1,063 | N/A | N/A | 276161 |
| 23 | Barry M. Whelan Recruitment LIMITED | Ireland | Dublin | Suite 336 | Dublin | D07 DH99 | excelrecruitment.***** | 2002 | $39,461,582 | 1,407 | N/A | N/A | 357146 |
| 24 | Clarity Recruitment Ventures LIMITED | Ireland | Dublin | 10 Merrion Square North | Dublin | D02DW94 | clarityrecruitment.***** | 2011 | $38,366,206 | 798 | N/A | N/A | 503719 |
| 25 | Sigmar Recruitment Consultants LIMITED | Ireland | Dublin | 13 Hume Street | Dublin | D02 F861 | sigmarrecruitment.***** | 1302 | $37,997,991 | 327 | N/A | N/A | 353252 |
| 26 | Mfm Recruitment LIMITED | Ireland | Dublin | 39 Curlew Road | Dublin | D12 | N/A | 2009 | $37,997,990 | 327 | N/A | N/A | 471970 |
| 27 | Randstad Ireland Operations LIMITED | Ireland | Dublin 4 | 2 Shelbourne Buildings | Dublin | D04W3V6 | N/A | 2016 | $37,644,781 | 326 | N/A | N/A | 577953 |
| 28 | Sedgwick Outsource Services Ireland LIMITED | Ireland | Dublin 4 | Merrion Hall | Dublin | D04 K744 | sedgwick.***** | 1992 | $37,321,155 | 561 | N/A | N/A | 195663 |
| 29 | Sparantus LIMITED | Ireland | Dublin 9 | Highfield Healthcare Swords Road | Dublin | N/A | N/A | 1998 | $36,711,427 | 442 | N/A | N/A | 285998 |
| 30 | Ward Personnel LIMITED | Ireland | Cork | Unit 5 Nore House | Cork | T12 EF44 | wardpersonnel.***** | 2010 | $36,550,751 | 645 | N/A | N/A | 487081 |
| 31 | O'neill And Brennan LIMITED | Ireland | Dublin | Unit 2 Ballymount Business Park | Dublin | D12 EC90 | oneillandbrennan.***** | 1996 | $36,113,243 | 31 | N/A | N/A | 256156 |
| 32 | Beresford Blake Thomas LIMITED | Ireland | Dublin | 29-30 Dawson Street | Dublin | N/A | N/A | 1990 | $35,221,370 | 9 | N/A | N/A | 904456 |
| 33 | Adecco Ireland LIMITED | Ireland | Dublin | 29-31 William Street South | Dublin | D02 EY96 | adecco.***** | 1969 | $33,515,664 | 37 | N/A | N/A | 29944 |
| 34 | Staffline Recruitment (roi) LIMITED | Ireland | Swords | Unit 5 Cooldriona Court | Dublin | N/A | N/A | 1993 | $32,249,764 | 34 | N/A | N/A | 201760 |
| 35 | Kaizen Workforce Solutions LIMITED | Ireland | Dublin | Third Floor | Dublin | D02 Y248 | N/A | 2010 | $31,927,280 | 978 | N/A | N/A | 492018 |
| 36 | Oja Recruitment LIMITED | Ireland | Dublin | 10 Grand Canal Square | Dublin | D02 CK38 | N/A | 2017 | $31,432,411 | 34 | N/A | N/A | 605429 |
| 37 | Vantage Resources LIMITED | Ireland | Dublin | Unit 4 Leopardstown Office Park | Dublin | D18 K1C5 | vantage.***** | 2000 | $30,682,077 | 244 | N/A | N/A | 327226 |
| 38 | Collins Mc Nicholas LIMITED | Ireland | Athlone | Unit 9a Inish Carraig Business Centre | West Meath | N37 VF66 | collinsmcnicholas.***** | 1990 | $30,378,338 | 555 | N/A | N/A | 154783 |
| 39 | Silverback Staffing LIMITED | Ireland | Dublin 9 | Station Mews Lindsay Grove | Dublin | N/A | N/A | 2012 | $29,713,398 | 304 | N/A | N/A | 509566 |
| 40 | Access Nursing LIMITED | Ireland | Dublin 24 | 2 Westland Square | Dublin | D02V960 | accessnursing.***** | 2016 | $29,317,906 | 540 | N/A | N/A | 582915 |
| 41 | Unijobs Designated Activity Company | Ireland | Limerick | Floor 9 Riverpoint | Limerick | V94 WC6A | N/A | 2013 | $28,726,666 | 469 | N/A | N/A | 524623 |
| 42 | 3d Personnel LIMITED | Ireland | Dublin | Block 9 Airvista Office Park | Dublin | D09 C8X9 | 3dpersonnel.***** | 2007 | $26,966,727 | 447 | N/A | N/A | 441121 |
| 43 | Lidon Services LIMITED | Ireland | Kildare | Hopkins House, Unit 2 | Kildare | N/A | N/A | 2018 | $26,293,972 | 5 | N/A | N/A | 626141 |
| 44 | Team Obair LIMITED | Ireland | Dublin | 10a Grattan Crescent | Dublin | D08 AK15 | teamobair.***** | 2001 | $25,969,973 | 768 | N/A | N/A | 338288 |
| 45 | I.C.E. Workforce LIMITED | Ireland | Galway | Sycamore Suite Centrepoint Business Centre Liosbán | Galway | N/A | N/A | 2011 | $25,414,264 | 367 | N/A | N/A | 498235 |
| 46 | Engineering Support & Services LIMITED | Ireland | Limerick | Saint Jude'S | Limerick | V94 PYC4 | essltd.***** | 1990 | $23,492,858 | 192 | N/A | N/A | 170572 |
| 47 | Harvey Nash (ireland) LIMITED | Ireland | Dublin | 39/43 Merrion Square East | Dublin | D02 NP96 | harveynash.***** | 1997 | $23,124,448 | 15 | N/A | N/A | 272687 |
| 48 | Irish Recruitment Consultants LIMITED | Ireland | Blackrock | Block 9 | Dublin | A94 E4X2 | griffinpersonnel.***** | 1984 | $22,810,032 | 9 | N/A | N/A | 102657 |
| 49 | Capital Ges LIMITED | Ireland | Dublin 24 | 10 Earlsfort Terrace | Dublin | D02T380 | N/A | 2017 | $21,277,944 | 176 | N/A | N/A | 611080 |
| 50 | I.C.E. Group Business Services LIMITED | Ireland | Galway | Liosban Industrial Estate | Galway | H91 RYD2 | icegroup.***** | 1997 | $21,079,034 | 242 | N/A | N/A | 273090 |
| 51 | Pj Personnel LIMITED | Ireland | Tuam | 2 Egans Lane | Galway | H54 FF85 | pjpersonnel.***** | 2009 | $19,928,631 | 276 | N/A | N/A | 475846 |
| 52 | Buffy Investments LIMITED | Ireland | Dublin | Nangor | Dublin | D12 R623 | N/A | 2014 | $19,693,817 | 295 | N/A | N/A | 544718 |
| 53 | Workplace Options Ireland LIMITED | Ireland | Dublin | Block 6 Belfield Office Park | Dublin | D04 N8F7 | N/A | 2006 | $19,519,618 | 20 | N/A | N/A | 430323 |
| 54 | Hartley People LIMITED | Ireland | Waterford | 29 Manor Street | Waterford | X91 PY6W | hartleypeople.***** | 2001 | $19,316,351 | 283 | N/A | N/A | 339178 |
| 55 | Connect Recruitment Resources LIMITED | Ireland | Longford | Redleaf House | Longford | N/A | connectrecruit.***** | 2004 | $19,173,063 | 330 | N/A | N/A | 392440 |
| 56 | Aa Euro Recruitment Ireland LIMITED | Ireland | Cashel | Ballyfowloo | North Tipperary | N/A | N/A | 2005 | $19,099,924 | 261 | N/A | N/A | 407546 |
| 57 | Reperio Human Capital (ireland) LIMITED | Ireland | Dublin | 6-9 Trinity Street | Dublin | D02EY47 | N/A | 2016 | $18,583,939 | 5 | N/A | N/A | 587781 |
| 58 | Emerald Nursing LIMITED | Ireland | Dublin | Pembroke House | Dublin | D02 NT28 | N/A | 2017 | $18,534,466 | 288 | N/A | N/A | 606340 |
| 59 | Cae Crewing Services LIMITED | Ireland | Santry | Unit 2.1 | Dublin | N/A | N/A | 1996 | $18,078,190 | 5 | N/A | N/A | 248181 |
| 60 | Outsource Staffing Solutions LIMITED | Ireland | Carrickmacross | 35 Foxfield | Monaghan | N/A | N/A | 2010 | $18,067,416 | 293 | N/A | N/A | 480749 |
| 61 | Realtime Recruitment LIMITED | Ireland | Dublin | 2nd Floor the Courtyard | Dublin | D18 F9T8 | real.***** | 2005 | $17,532,733 | 17 | N/A | N/A | 407453 |
| 62 | Globalization Partners International Ireland LIMITED | Ireland | Galway | Unit 14, First Floor | Galway | H91 72N5 | N/A | 2020 | $17,175,518 | 267 | N/A | N/A | 668944 |
| 63 | Brightwater Selection (ireland) LIMITED | Ireland | Dublin | 36 Merrion Square East | Dublin | D02 RY62 | brightwater.***** | 1998 | $17,105,400 | 154 | N/A | N/A | 286849 |
| 64 | Taylor Trust Consortium LIMITED | Ireland | Dublin | Units 1/3 the Capel Building | Dublin | D07 X265 | N/A | 2001 | $16,310,800 | 176 | N/A | N/A | 348528 |
| 65 | Jjk Personnel Ireland LIMITED | Ireland | Dublin | Digital Office Centre Dublin Airport | Dublin | K67 E5A0 | N/A | 2018 | $15,690,159 | 249 | N/A | N/A | 639286 |
| 66 | Pharmaconex LIMITED | Ireland | Dublin | Suit 330 the Capel Building | Dublin | D07 A597 | pharmaconex.***** | 2009 | $15,208,785 | 296 | N/A | N/A | 469802 |
| 67 | John Sisk & Son (international Services) LIMITED | Ireland | Dublin | Citywest Business Campus | Dublin | D24 N2HR | N/A | 2018 | $15,150,693 | 97 | N/A | N/A | 621774 |
| 68 | Headcount Solutions LIMITED | Ireland | Balbriggan | Unit 4e Fingal Bay Business Park | Dublin | K32 HN82 | headcount.***** | 2005 | $14,868,481 | 76 | N/A | N/A | 396127 |
| 69 | Eflexes Staffing And Recruitment Solutions LIMITED | Ireland | Shannon | Bay 80 | Clare | V14 WV82 | N/A | 2009 | $12,962,194 | 260 | N/A | N/A | 476575 |
| 70 | Albany Beck Ireland LIMITED | Ireland | Athlone | Rbk House | West Meath | N37XP52 | N/A | 2019 | $9,919,489 | 5 | N/A | N/A | 641816 |
| 71 | Jobs Lu LIMITED | Ireland | Dublin 24 | Waterways House | Dublin | D02NF40 | N/A | 2006 | $9,046,048 | 34 | N/A | N/A | 424557 |
| 72 | Dublin South City Partnership Company LIMITED By Guarantee | Ireland | Dublin | 3/4 St Agnes Road | Dublin | D12 NX57 | dublinsouthcitypartnership.***** | 1997 | $5,518,643 | 155 | N/A | N/A | 260765 |
| 73 | Needl Search LIMITED | Ireland | Dublin | 14 Whitefriars Aungier St | Dublin | D02 P573 | N/A | 2013 | $5,114,196 | 20 | N/A | N/A | 525384 |
| 74 | Charlotte Tilbury Beauty Ireland LIMITED | Ireland | Dublin | 6th Floor | Dublin | D02 A342 | N/A | 2023 | $5,060,422 | 5 | N/A | N/A | 736254 |
| 75 | Suse Software Solutions International Services LIMITED | Ireland | Dublin | Esb North Wall | Dublin | D01 A370 | N/A | 2018 | $5,029,502 | 34 | N/A | N/A | 632571 |
| 76 | Orion Group Sciences LIMITED | Ireland | Cork | First Floor. Penrose 1 Penrose Dock | Cork | T23 KW81 | N/A | 2018 | $4,824,322 | 6 | N/A | N/A | 628082 |
| 77 | Primtac LIMITED | Ireland | Balbriggan | 10 Railway Street | Dublin | N/A | N/A | 2012 | $4,235,516 | 18 | N/A | N/A | 513349 |
| 78 | Ascendion Engineering Solutions Ireland LIMITED | Ireland | Cork | Unit 3d North Point House North Point Business Park | Cork | N/A | N/A | 2016 | $3,758,217 | 7 | N/A | N/A | 581670 |
| 79 | ST. Paul's Area Development Enterprise Company LIMITED By Guarantee | Ireland | Dublin | Saint Paul'S | Dublin | D12 N9F3 | N/A | 1988 | $3,610,351 | 4 | N/A | N/A | 128201 |
| 80 | Workforce International Contractors LIMITED | Ireland | Dublin | Unit 19 Grange Parade | Dublin | D13 | N/A | 2004 | $3,150,950 | 319 | N/A | N/A | 383055 |
| 81 | Fitzwilliam Executive Search LIMITED | Ireland | Dublin | 24 Fitzwilliam Street | Dublin | N/A | N/A | 1989 | $3,150,950 | 109 | N/A | N/A | 150523 |
| 82 | Premier Recruitment (international) Unlimited Company | Ireland | Cork | 6 Lapps Quay | Cork | T12 XE1V | morganmckinley.***** | 1988 | $3,150,950 | 100 | N/A | N/A | 131679 |
| 83 | Velocity Global Consulting LIMITED | Ireland | Dublin | Ireland, R296 | Dublin | D02 R296 | N/A | 2020 | $3,150,950 | 75 | N/A | N/A | 669591 |
| 84 | Parakar Ireland LIMITED | Ireland | Dublin | 2 Dublin Landings | Dublin | N/A | N/A | 2015 | $3,150,950 | 74 | N/A | N/A | 556329 |
| 85 | Occupli LIMITED | Ireland | Cork | Euro Business Park | Cork | T45 DK25 | N/A | 1999 | $3,150,950 | 71 | N/A | N/A | 309301 |
| 86 | Omnipresent Ireland LIMITED | Ireland | Dublin | 9 Exchange Place | Dublin | D01 X8H2 | N/A | 2021 | $3,150,950 | 53 | N/A | N/A | 691021 |
| 87 | Icds Recruitment Consultants LIMITED | Ireland | Dublin | 24 Fitzwilliam Street Upper | Dublin | D02 N883 | icds.***** | 1990 | $3,150,950 | 50 | N/A | N/A | 159300 |
| 88 | Forde Resolution Company LIMITED | Ireland | Dunshaughlin | Unit 8d Dunshaughlin Business Park | Meath | A85 EE98 | hrduo.***** | 2013 | $3,150,950 | 46 | N/A | N/A | 528333 |
| 89 | Easca Recruitment LIMITED | Ireland | Galway | High Street | Galway | N/A | N/A | 2015 | $3,150,950 | 43 | N/A | N/A | 569239 |
| 90 | Cal Opex LIMITED | Ireland | Fermoy | Office No. 1 Unit 11 | Cork | P61 FP52 | N/A | 2015 | $3,150,950 | 42 | N/A | N/A | 563075 |
| 91 | Modern Hire Europe LIMITED | Ireland | Wexford | Chelsea House | Wexford | Y35 FW6K | sonru.***** | 2007 | $3,150,950 | 41 | N/A | N/A | 442260 |
| 92 | Orbis Recruitment LIMITED | Ireland | Ashbourne | New Town Centre | Meath | A84 NY73 | N/A | 2024 | $3,150,950 | 34 | N/A | N/A | 764121 |
| 93 | Aberdeen Corporate Services LIMITED | Ireland | Dublin | 10 Earlsfort Terrace | Dublin | D02 F653 | N/A | 2004 | $3,150,950 | 34 | N/A | N/A | 905374 |
| 94 | Welliba Benelux LIMITED | Ireland | Wicklow | Whaley Abbey House | Wicklow | A67 VW98 | N/A | 2023 | $3,150,950 | 34 | N/A | N/A | 735555 |
| 95 | Servisource Healthcare LIMITED | Ireland | Dublin | One Haddington Bldg G/f | Dublin | D04 X4C9 | cplhealthcare.***** | 2001 | $3,150,950 | 34 | N/A | N/A | 349485 |
| 96 | Stratus Consulting LIMITED | Ireland | Ross | 11 Larchfield Court | Mayo | N/A | N/A | 2007 | $3,150,950 | 34 | N/A | N/A | 433779 |
| 97 | Staffline LIMITED | Ireland | Dublin | The Gowan Building | Dublin | N/A | N/A | 2013 | $3,150,950 | 34 | N/A | N/A | 525953 |
| 98 | Velocitech LIMITED | Ireland | Dublin | 27 Mount Street Upper | Dublin | D02 F890 | velocitech.***** | 2019 | $3,150,950 | 34 | N/A | N/A | 659417 |
| 99 | Direct Personnel International LIMITED | Ireland | Swords | Abco Kovex Building | Dublin | N/A | directpersonnel.***** | 1994 | $3,150,950 | 34 | N/A | N/A | 215368 |
| 100 | Crewit Resourcing LIMITED | Ireland | Portlaoise | Killamuck House | Laois | R32 N478 | N/A | 2021 | $3,150,950 | 34 | N/A | N/A | 696935 |