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Outstanding

We’re in your court – Expert legal solutions for client success.

Committed to your success

As a nationally recognised boutique law firm, we tackle the toughest legal challenges for your peace of mind.
We pride ourselves on approaching all legal challenges with creativity and precision. Our firm stands at the forefront of complex litigation, supporting many New Zealanders with their class actions and complex disputes.

Our team has experience across all fields of law and can help you with all your business and personal legal needs.
Meet the team

Your Commercial Litigation
& Class Action Experts

• We are problem solving focused law firm.
• We advocate for our planti clients and businesses by giving them a voice.
• We are boutique legal firm, emphasising excellence in litigation and class-action.
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How We Help

01 Litigation & Class Action

Have a legal dispute you need resolved? We’re experts in navigating complex disputes to deliver successful outcomes in high-stakes litigation and class action lawsuits for our clients.

02 Commercial & Employment

Providing comprehensive legal support for everything business. From setting up a business, to employment advice, and strategic advice for your business success

03 Trusts & Estates

Protecting your assets and supporting your wishes. We craft bespoke wills, offer guidance with trusts, and support your loved ones with estate management services.

04 Conveyancing

Expert guidance on buying, selling or developing your biggest assets. We provide guidance through every stage of buying or selling your property and subdivisional development so it’s a stress-free experience.

05 Specialisation

Tailored solutions for niche legal challenges. We have specialist expertise in gambling law, art law, and professional negligence claims to support you in these unique areas.

Client Wins

Four Winds Foundation Ltd v New Zealand Community Trust (2021-2022)
GCA Lawyers successfully represented a Class 4 gaming society in a declaratory judgment regarding venue licence transfers under the Gambling Act 2003.

The High Court ruled that corporate societies cannot withhold venue licence surrenders to impose a four-week stand-down period, reinforcing industry practice and ensuring fair competition.
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Southern Response Concealment Class Action v Southern Response Earthquake Services Ltd (2018 - 2023)
GCA filed a class action in the Christchurch High Court in June 2018 on behalf of about 3000 claimants who allege that SRESL concealed information relevant to their claim settlements. GCA secured litigation funding support from Claims Funding Australia, a litigation funder wholly owned by Maurice Blackburn, Australia's largest class action law firm.
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Van Leeuwen Group Ltd v Attorney-General [2020] NZHC (2019-2020)
GCA Lawyers successfully defended Van Leeuwen Group’s right to seek court clarification on biosecurity compensation under the Biosecurity Act 1993. The Attorney-General sought to strike out the case, arguing disputes must go to arbitration, but the High Court ruled that legal interpretation remained within the Court’s jurisdiction. This decision clarified key compensation rights under the Act, providing strategic clarity for our client.
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Innovation.
Expertise.
Results.
Office.
Level 1, Duncan Cotterill Plaza
148 Victoria Street
Christchurch 8013
PO Box 3241
Christchurch 8140
Client Parking.
Client parking located at
453 Montreal Street 
*see map
(spaces 12 to 15 inclusive)
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