On website Irish Times you can find the Top 1000 companies in Ireland.
Auditors
- PwC audits 174 companies (Smurfit Kappa, Musgrave, Origin Enterprises Plc, …)
- KPMG audits 159 companies (Total Produce, Symantec, Kingspan, …)
- Ernst & Young audits 109 companies (CRH, Google, Oracle, …)
- Deloitte audits 108 companies (Microsoft, Glanbia, CMC, …)
- Grant Thornton audits 35 companies (Kingston, Gowan Group, CMS Distribution, …)
- BDO audits 25 companies (Segezha Packaging, Radius Communications, Cook Ireland, …)
- Mazars audits 16 companies (Rehab, Actavo Group Ltd, KN Network Services, …)
- Crowe Horwath audits 6 companies (Mindshare, Lillington Limited (DDFH&B), Fitzpatrick Hotels, …)
- RSM audits 6 companies (Peninsula Petroleum , Diesel Card Ireland, DPL Group, …)
- Smith & Williamson Freaney audits 6 companies (Armalou, Fónua, Joe Walsh Tours, …)
- Russell Brennan Keane audits 5 companies (Bennett Construction, FCR Media, Capital Oil Supplies, …)
- Comptroller and Auditor General audits 4 companies (Tourism Ireland, Ability West, NORA, …)
- Crowley & McCarthy audits 4 companies (Drinagh Co-op, Dornan Engineering, Lisavaird Co-op Creameries, …)
- FMB audits 4 companies (Club Travel, JLG Holdings, Noyeks, …)
- Moore Stephens audits 4 companies (E & I Engineering Ireland, Lease Corporation, Vale Oil, …)
- Hayden Brown audits 3 companies (Topaz, Universal Music, National Concert Hall)
- JPA Brenson Lawlor audits 3 companies (Donnybrook Fair , Housing Finance Agency, Jabez)
- McDaid McCullough Moore audits 3 companies (Nicholl Oils, Euro General Retail, Nicholl Fuel Oils)
- McGovern Worn & Co audits 3 companies (Michael Moore Car Sales, Jons Civil Engineering, Natures Best Ltd)
- Asple & Co audits 2 companies (J.A. Boland & Sons, Torski Limited)
- BDM Financial & Accounting Limited audits 2 companies (Banagher Precast Concrete, Glenisk)
- DHKN audits 2 companies (Corrib Oil, Supermacs)
- Duignam Carthy O’Neill audits 2 companies (Town of Monaghan Co-Op, Tmc Dairies)
- Barr Pomeroy audits 1 company (Crewlink )
- Boylan & Dodd audits 1 company (John Rushe)
- Browne Murphy & Hughes audits 1 company (Europcar)
- Byrne Curtin Kelly audits 1 company (Obelisk International Group Holdings)
- CAG audits 1 company (Western Brand Poultry Products )
- Carney Walsh & Company audits 1 company (Clonmel Enterprises)
- CHK Partnership audits 1 company (Carrigalines Heron Holdings )
- Conlan Crotty Murray & Co audits 1 company (National Chemical Company)
- Deacy Gilligan Limited audits 1 company (Shire)
- Dermot O’Malley & Co audits 1 company (JCs Supermarket)
- Farrelly & Scully audits 1 company (Euro Farm Foods)
- Gilroy Gannon audits 1 company (Wills Bros)
- Goldblatt McGuigan audits 1 company (Morgan Fuels)
- Hanlon Kilty & Co audits 1 company (Ove Arup & Partners)
- James F. Wallace & Co audits 1 company (Leefield)
- James P Convery audits 1 company (Golf Holdings)
- KBG audits 1 company (Moyne Roberts)
- Kieran Ryan & Co audits 1 company (Murphy and Gunn)
- Kinnear & Co audits 1 company (Railford Investments)
- Kirk & Associates audits 1 company (Lagan Asphalts)
- LMD Associates audits 1 company (Martin Brower Metroplex)
- M.G. Mannion & Co audits 1 company (JFC Manufacturing)
- M.K. Brazil audits 1 company (Brothers of Charity)
- Maneely McCann audits 1 company (KFC Ireland)
- McFeely & McKiernan audits 1 company (GMC Utilities)
- Michael McEvoy & Co audits 1 company (Chanelle Pro Vet)
- Morrissey McCrann & Company audits 1 company (Coffey Construction Ireland)
- O’Donovan Keyes & Co audits 1 company (Horgans Delicatessen Supplies)
- O’Neill Foley audits 1 company (Sunway)
- Ormsby & Rhodes audits 1 company (C&F Group)
- OSK audits 1 company (Walls Group)
- Quinlan Holohan & Co audits 1 company (Arrabawn)
- Reardon & Company audits 1 company (Quinns of Baltinglass)
- Robert J. Kidney & Co audits 1 company (Food-Bridge)
- RSM Farrell Grant Sparks audits 1 company (Diesel Card International)
- Ryan & Crowley audits 1 company (Comex McKinnon)
- Sheil Kinnear audits 1 company (Sam McCauley Chemists)
- Sheridan & Co audits 1 company (MDY Construction)
- Slattery and Partners audits 1 company (Ward & Burke Construction)
- Stevenson and Wilson audits 1 company (Wrightbus)
- Thomas Goodall & Sons audits 1 company (EPS)
Site: http://www.top1000.ie/companies