Prof-Hostess werkt voor:
| ABN-AMRO | Actuera |
| Danone-Nutricia | ZOHelder |
| B &S Event innovators | Bettonville |
| Boers en Roosenboom | Boutique le Duc |
| Bureau Mirjam Frentz | Canon i.o.v. AddingValue |
| Casema, Essent @ home | Continental Recreatie |
| De Galerie | De rijkspas i.o.v. ID Ware |
| Dyon’s Creations | Echtscheidingsmakelaar |
| Engelen-Heere | Entrada Restaurants |
| Evenementen.netwerk | Event Station |
| Feda | Gant |
| Geveke | Govcert |
| Het verrassingsburo | Hotel de Doelen Middelburg |
| Huis de Salentein | I Protect |
| IBM i.o.v. George P. Johnson | ID Ware |
| ID-ware | Imtech i.o.v. B&S |
| ING Business Academy | ING business school |
| ING dag van de belegger | ING Dance4live |
| ING Excellent | ING Masterclasses Personal banking |
| ING ondernemerscongres | ING Privileges |
| ING week van de ondernemer | Jacobus Recourt Makelaardij |
| Jean Pierre Carlier Productions | Johan Cruyff Institute |
| Karina van Eerd Fashiongroup | Kasteel de Salentein |
| KPMG | La Belle Charters |
| La Galleria | Libelle Zomerweek |
| Ministerie van Financieen | Ministerie van LNV |
| Ministerie van OCW | Ministerie van WVC |
| Nationale Nederlanden | NG |
| Nos/Nps | Nova |
| N-secure | Orange |
| Philips i.o.v. B&S | Philips Pensioenfonds |
| Pon | Postbank |
| Powerhouse i.o.v. B&S | Price Waterhouse en Coopers |
