WIB operates through dedicated industry relationship and specialist product teams, with expert knowledge[citation needed] in transactional banking, financial and debt capital markets, specialized capital, margin lending, broking and alternative investment solutions.

Westpac NZ offers a full banking service with around 1.5 million customers, and 196 branches nationwide.

Westpac Migrant Banking has a representative office in London where accounts can be arranged, although the process can be done remotely from any country.

[45] Westpac has committed $150m to the venture capital group Reinventure with the objective to increase the impact of technology in financial markets.

Reinventure is mandated to invest independently of Westpac, unlike venture capital strategies led by other Australian banks.

[47] Westpac has been criticised for backing logging operations on the Solomon Islands that destroy virgin rainforests.

[49] Westpac was one of the thirteen top ASX 20 companies to support the 2023 Australian Indigenous Voice referendum’s ‘Yes’ campaign.

The public and government attention of the borrowings followed the release of the information by the Federal Reserve in 2010, not Westpac.

[53] In April 2016 the Australian Securities and Investments Commission began legal proceedings against Westpac for manipulation of Australian benchmark interest rates, alleging that it had traded in a manner intended to create an artificial price for bank bills.

[54] In November 2018, Westpac was fined the maximum penalty of $3.3m and ordered to pay legal costs.

[55] In November 2019 Westpac was alleged to have violated anti-money laundering, child exploitation and counter-terror finance laws.

[59] In August 2021 Westpac was fined $10.5m for breaches to best interests duty after it provided personal financial product advice in calls to 14 customers in a sales campaign.

[60] In April 2021 the Australian Securities & Investments Commission launched six civil penalty proceedings against Westpac for alleged misconduct and widespread compliance failures.

[62] In May 2021 the Australian Securities and Investments Commission (ASIC) commenced proceedings in the Federal Court of Australia for allegations of insider trading and unconscionable conduct over a 2016 $12 billion interest swap rate transaction with AustralianSuper.