GreatGas and greatgas.ie are registered business names of Great Gas Petroleum (Ireland) Ltd which has its head office and registered office at Market House, Churchtown, Mallow, Co Cork. Telephone +353 (0)22 23 989.
As and from 1st July 2014, Greatgas is a trading name of Emo Oil Ltd, which has its head office and registered office at Clonminam Industrial Estate, Portlaoise, Co. Laois. +353 (0) 57 867 4700
The company was originally registered as a Public Limited Company (Plc) but changed its status to a Limited company on 22nd April 2009.