Gavan Mackenzie

Nicholas Seddon is a lawyer recognized by Best Lawyers in the practice areas of Commercial Law and Government Practice. Nicholas practices law in Canberra, Australia Best Lawyers has recognized Nicholas Seddon since 2008. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nicholas Seddon is held by other lawyers.

Sarah acts for Commonwealth Government departments and agencies on procurement, contracting and governance matters. Her client base is primarily the Commonwealth and Commonwealth entities, with a particular focus on defence procurement and capital equipment acquisition. Sarah advises on procurement activities for aviation, land vehicle and maritime assets, governance matters for statutory corporations, contract negotiations, competitive tendering processes and privatisations. She leads contra...

John is a leading Commercial lawyer in Canberra and is renowned for his expertise, professionalism and integrity. With more than 40 years experience, John’s extensive business acumen enables him to quickly identify clients’ issues and work towards commercial results. Over John’s many years in practice he has been a key advisor in many significant and high profile property transactions including commercial property sales and purchases, land releases, joint ventures, building ...

Shelley acts for local and national corporate clients across strata, development, building and construction sectors. Her clients include owners corporations, property developers, contractors, construction companies and corporate entities engaged in disputes and litigation often arising from real estate and construction activity. Shelley specialises in the resolution of corporate governance disputes, commercial and corporate contractual disputes, and residential and commercial construction dis...

Andrew has extensive experience in representing and providing high level, strategic and complex workplace relations advice to a wide range of Commonwealth departments and agencies over the last 15 years. This includes significant experience in litigating on behalf of the Commonwealth (generally on the instructions of Comcover) in the Fair Work Commission, the Federal Court, the Federal Circuit and Family Court of Australia, the Australian Human Rights Commission and the Administrative Review ...

Jeremy's practice spans work with a range of government and corporate clients. He has acted in claims before the High Court, Federal Court, various Supreme Courts and the Administrative Appeals Tribunal. Jeremy's administrative and regulatory law experience includes: advising Commonwealth agencies in relation to regulatory proceedings, including in relation to options and evidence required for declaratory, civil penalty and injunctive relief in accordance with the Regulatory Powers (Standard ...

Paul acts for Commonwealth Government agencies, statutory authorities and private sector employers. Paul joined Thomsons in July 2025, bringing with him deep Commonwealth client relationships built over an extensive career. Paul’s practice spans all aspects of employment and industrial relations, WHS governance, administrative law and government procurement. He advises on enterprise bargaining, individual and collective workplace agreements, discrimination complaints, investigations of ...

Anthony Crowe is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Anthony practices law in Canberra, Australia Best Lawyers has recognized Anthony Crowe since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anthony Crowe is held by other lawyers.

Hyans acts for Commonwealth, State and Territory government agencies and commercial clients on procurement, contracts and public law matters. Hyans advises on commercial contracts, corporate governance, statutory interpretation, legislative drafting, regulatory law, administrative law, privacy and FOI matters, and procurement and probity. His practice covers all aspects of government contracting from strategy and tender design through contract award and administration, as well as legal advice...

John acts for insolvency practitioners, banks, non-bank lenders, business owners, directors and the Commonwealth Government. Clients span domestic and international proceedings, including matters involving cross-border asset recovery and contested priority disputes under the Corporations Act. John specialises in commercial disputes, corporate and personal insolvency, shareholder disputes and professional indemnity insurance. His practice covers liquidator and trustee claims, including unfair ...