Clients – Ronan's Client List
| 2003 - 2010 | Performance | Presenting | MPowerment |
| Services | Cusack Group Hotels | Enterprise Ireland | JCDecaux |
| Financial Regulator | Abbott | Repak | |
| Enterprise Ireland (Dusseldorf) | Slattert Communications | Irish Aviation Authority | |
| Grant Thornton | An Bord Bia | Aviareto | |
| Mount Juliet | Cawley Nea | SEI | |
| McConnells | QMP Publicis | Tall Tales Theatre Co. | |
| CBS Outdoor | Cronin Designs | ||
| Financial | AIB | AIB | Bank of Ireland |
| BBVA | KSI | Zurich | |
| KBC Asset Mngt | BBVA | AIB | |
| Pharmaceuticals | Abbott | Abbott | Abbott |
| Biotrin | Novartis | ||
| Oral B | SSL Healthcare | ||
| Consumer | Diageo | Dairygold | CocaCola |
| Pepsi | Coca Cola | ||
| Technology | Lionbridge | Lionbridge | Motorola (Frankfurt) |
| Vodafone | Esat BT | Motorola (Milan) | |
| SAP | IBM | SAGE | |
| Building | Wolseley Group | CRH | |
| McNally | McQuillan (Northern Ireland) | ||
| NTR | PJ Heggarty | ||
| Kingspan | Sisk |