Our People

Ko ō mātou tāngata

Auld Brewer Mazengarb McEwen’s team are a dedicated group of individuals who provide friendly, helpful, forward thinking advice to their clients. They provide legal advice only in those areas in which they have a high level of expertise, and can significantly contribute to the success of their clients.

Sean Maskill


Contact Details

Sean Maskill


BCom, LLB – University of Canterbury


Admitted to the bar: March 2015

Sean is an employment and commercial lawyer who works with a wide range of clients, including Local Authorities, Crown Entities, large companies, SME’s, not-for-profits and individual employees.

Sean enjoys working closely with employers and their HR teams to resolve difficult employment problems in a manner consistent with the organisation’s strategy and values. He has significant mediation experience and has appeared in the Employment Relations Authority, District Court and High Court.

Outside of ABMM, Sean is Vice-President of the Taranaki Branch of the New Zealand Law Society, a member of the Westown School Board of Trustees, former President (and life member) of Taranaki Young Professionals, and the proud owner of Pepper the cat.


Sean has particular experience in collective bargaining, disciplinary processes and investigations, restructuring and redundancy, medical incapacity, raising and responding to personal grievances, bullying and harassment, discrimination, parental leave complaints, protected disclosures, and Holidays Act compliance.

Sean’s commercial practice includes providing advice about privacy, consumer protection legislation, credit contracts, incorporated societies, and transactions involving Māori land.


Partner – Auld Brewer Mazengarb & McEwen
July 2021 – Present

Associate – Auld Brewer Mazengarb & McEwen
December 2017 – July 2021

Solicitor – Auld Brewer Mazengarb & McEwen
February 2015 – December 2017

Volunteer Experience

Trustee – Westown School Board of Trustees
2020 – present

Committee Member – Taranaki District Law Society
2020 – present

President – Taranaki Young Professionals Incorporated
2017 – 2018

Treasurer – New Zealand Law Students’ Association
2013 – 2014

President – Canterbury Schools’ Debating Council
2010 – 2012


University of Canterbury



Sean, I just wanted to thank you for everything you’ve done for me over the last couple of months.

When I first came to you I felt helpless and stuck. You offered me a practical solution and I can’t thank you enough for the professional, competent and knowledgeable way you approached everything.

You gave me back my voice, my hope, and my dignity.

An employee client

A key aspect of our working relationship with ABMM is the genuine business partnership we have in place. Our experience with ABMM’s employment relations team is highly successful due to the trust, collaborative approach, their high level of expertise and the knowledge they have acquired on understanding our people, the challenges and diversity within our businesses and the Local Government environment, and ultimately the advice they provide.  The ABMM team,  in particular Sean has professionally and pragmatically guided and supported us through significant change processes, industrial and employment relations matters to ensure outcomes are the best that they can be for our organisation. 

NPDC Human Resources Team

A big Thank you to Sean and Diana for the excellent, professional advice and fantastic results in resolving an employment matter.

From an Employer Client