Herbert Smith Freehills, King & Wood Mallesons and Clayton Utz all have roles on the upcoming $4.8 billion initial public offering of Australian health insurer Medibank Private Ltd.

The Australian government is the sole shareholder in the company, which is the country’s largest private health insurer and serves more than 3.8 million customers. Medibank was first created as a government-owned nonprofit in 1976 but was incorporated as a private company in 1998.