Founded in 1817, Westpac was the first company and the first bank to be established in Australia. Today, Westpac is one of the biggest banking organisations throughout Australia, New Zealand and the Pacific region, with offices in key financial centres around the world. Westpac employs over 27,000 people, serves 8.3 million customers and has a market capitalisation of $39 billion as at 30 September 2005.

Westpac was recently acknowledged by the Minister for Environment and Heritage in recognition of its long-standing and continued contribution to greenhouse management in Australia.

Over the past decade, Westpac has reduced its total greenhouse gas emissions by around 35% by actively managing resource usage.