Corporate and public sector clients that O’Hanlon Media has worked with over the years include The Arts Council, Ballymaloe Cookery School, Barretstown Gang Camp, Bayer HealthCare, Bord Bia – Irish Food Board, Centre for Effective Services, Clariant, Department of Children and Youth Affairs, Dublin Dental School and Hospital, Dublin Institute of Technology (DIT), Dunnes Stores, EirGrid, the Environmental Protection Agency, ESB Electric Ireland, Food and Agriculture Organization of the United Nations, Gill & Macmillan, Health Research Board (HRB), Health Service Executive (HSE), Irish College of Opthalmologists, International AIDS Society, Irish Distillers Pernod Ricard, Irish Times Books, John Sisk & Son, Jones Lang LaSalle (Ireland), MyndServ Digital Healthcare, The Medical Council, National Advisory Committee on Drugs (NACD), National Library of Ireland, Pathfinder, An Post, Sandoz International GmbH, Samaritans, SITA (the global air transport industry IT solutions company), SRI Executive, Stockbyte, The Sustainable Energy Authority of Ireland (SEAI), TRANSLATION-PROBST Ltd, Trinity College Dublin, UNESCO, UNICEF, University College Dublin, Valid Nutrition, Walsh Western International, World Intellectual Property Organization.