Big Six law firms

The Big Six law firms, was a term informally used in Australia to refer to the commercial law firms which, collectively, were the largest firms operating in Australia in terms of revenue and lawyers employed, and perceived to be the most prestigious before four merged or formed association relationships with firms from other countries, primarily the United Kingdom, in 2012.

Before 2012, the following firms were generally seen as composing the Big Six (listed alphabetically):

In 2012, three of these firms merged with overseas firms, and one other began operating in association with an overseas firm. As a consequence, it has proposed that the "Big Six" as a term is no longer applicable to the Australian legal profession, displaced by the concept of 'global elite' law firms or 'international business law firms'.

From 1 March 2012, Blake Dawson traded as "Ashurst Australia" until a full financial merger with Ashurst LLP on 1 November 2013; the full merger took place six months ahead of schedule.

Mallesons Stephen Jaques is currently trading as King & Wood Mallesons, after a merger and reorganisation with Chinese firm King & Wood, which has resulted in a Swiss association-structured association among what was the Australian and UK practice of Mallesons Stephen Jaques, a fully merged, combined Hong Kong practice, and a fully merged, combined mainland China practice consisting mainly of the existing King & Wood practice. In 2013, King & Wood Mallesons further merged with London-headquartered "Silver Circle" law firm SJ Berwin.

Allens Arthur Robinson changed its name to "Allens" on 1 May 2012, and began to operate in association with Magic Circle firm Linklaters. The association arrangements will see the firms operate with joint ventures in some parts of Asia, Allens practices merging into Linklaters practices in other parts, and the two firms operating jointly on certain matters.

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