Brett was called to the Bar in 2009. Prior to this he was a Tipstaff in the Queensland Court of Appeal, and worked as a solicitor in competition law, insolvency, and general commercial litigation.

Brett has a broad practice in corporate and commercial litigation, including building and construction, banking and finance, insolvency, equity, property, local government and environmental law, and intellectual property.

He appears, regularly without senior counsel, in motions, trials, and appeals in Federal, New South Wales and Queensland courts and tribunals.

Due to his experience with litigation in Queensland he is often retained by solicitors in New South Wales to act and advise in relation to disputes in Queensland.

Brett is listed as a leading junior in The Legal 500 2025 Asia-Pacific Guide for Construction, Infrastructure and Property. 'Brett is a good advocate: detailed, precise and confident in direct matters.' Brett is described as “hard working, intelligent, perceptive, pragmatic and commercial” with “excellent” drafting and advocacy. Brett “balances well the need for strong advocacy and keeping the bench onside.”

Most recently , Brett was included in Chambers and Partners Asia Pacific Guide 2026 as one of 6 junior counsel for Construction & Infrastructure: The Bar; "Brett is an outstanding advocate and a pleasure to work with."

Brett continues to be recognised as a leading junior in Doyles Guide's Leading Construction & Infrastructure Junior Counsel - New South Wales, 2025, and also in Doyles Guide's Leading Construction & Infrastructure Junior Counsel - Australia, 2023.

Recent persepectives:

"Brett is an exceptionally persuasive and strategic barrister. He garners favour from the Bench the moment he takes to his feet and centres his focus on the heart of the issue."

"Brett Le Plastrier exemplifies why this set of chambers is that good."

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