O'Briens catering - famous for our fresh sandwiches and sandwich delivery service. O'Briens are also corporate and party caterers and one of Ireland's leading catering companies. Our breakfast, office, lunch and buffet catering and delivery services are second to none. Delivering food throughout Ireland including; Dublin, Cork, Galway and Belfast. You'll enjoy the same fresh natural food as we prepare in our shops and, to keep the freshness locked in, we'll deliver your food in our refrigerated vans.