Mathias Cormann reveals lobbyists he met in lead-up to election

Finance minister spoke to 31 groups including Santos, Rio Tinto, Google, Ebay and Wesfarmers

The finance minister, Mathias Cormann, has revealed he met with some of the world's most powerful corporations in the months leading up to the election, including Santos, Anglo American, Rio Tinto and Google.

Outgoing crossbench senator Tim Storer used his last days in Senate estimates to put a series of questions to cabinet ministers about their dealings with lobbyists, both in-house and third-party, between January and April this year.