Bulgartransgaz EAD was registered on 15.01.2007 in Sofia city court as combined operator with business activity transmission and storage of natural gas, maintenance, operation, management and development of underground gas storage.
The history of the Company dates back to 30.12.1973 when the state company Oil and Gas was registered, renamed in December 1975 to Gazosnabdiyavane.
At the beginning of 1990 the Company was renamed to Bulgargaz and by virtue of Decree of the Council of Ministers dated 12.05.1993, it was restructured to sole joint-stock company.