Sydney specialises in the areas of commercial equity, including real property, conveyancing, easements, covenants, strata, building and construction law, partnership disputes, insolvency, and leasing.

Sydney appears before the Supreme and Federal Courts, NCAT and has represented clients in the Industrial Relations Commission, Crime Commission and the Independent Commission Against Corruption as well as at technical references, arbitrations and mediations.

He is also a NMAS accredited mediator, and a BarADR accredited arbitrator and an expert determiner.

Complementing his practice as a barrister and mediator, Sydney authors two major loose-leaf services published by Thomson Reuters: Commercial Damages and Injunctions: Law & Practice; and part-authors two leading loose-leaf services, Commercial Arbitration: Law & Practice, and International Commercial Arbitration. Sydney is a frequent presenter at CPD Seminars, some of which are linked below.