Allen Mazengarb

Consultant / Notary Public

Allen’s career has largely centred around property law, banking and finance.

Currently in these areas he advises a Territorial Authority on property matters as well as being a legal advisor to a registered bank, having extensive experience in the drafting of a diverse range of joint venture development, security and financing documentation. He has been instrumental in establishing a major finance company and continues to advise various businesses in this area of law.

Allen’s experience also includes trusts, particularly charitable purpose trusts and he currently advises numerous charitable trusts and companies. He has substantial knowledge of the Trust Act 2019 and its impact on the operation of trusts in New Zealand.

Over the last 20+ years, Allen’s main goal and drive has been assisting Auld Brewer Mazengarb & McEwen to be the great law firm that it is. For him, this means having exceptional lawyers, staff and a good working environment resulting in the high quality of work that we provide for our clients.

“My role is to make life easy for my clients in the legal context – being a problem solver plays a key part in this.”

Allen has particular expertise and knowledge about the legal issues relating to:

  • Financing transactions and associated security arrangements
  • Asset and business acquisitions and dispositions
  • Business structuring and restructuring
  • Banking security documents
  • Structuring and governance of charitable trusts
  • Estate planning for personal and business purposes
  • Trusts and the ramifications of the Trusts Act 2019


Consultant – Auld Brewer Mazengarb & McEwen
April 2023 – Present

Partner – Auld Brewer Mazengarb & McEwen
1998 – April 2023

Partner – Brewer Mazengarb
1992 – 1998

Partner/Staff Solicitor- Govett Quilliam

Staff Solicitor – Scott Morrison Dunphy (now Morrison Kent)

Staff Solicitor/Law Clerk – Phillips Shayle-George (now Phillips Fox)


Council Member – Notary Council of New Zealand
2017 – Present

Member – CEO Forum Organising Committee
2010 – Present

Member – The Lawlink Group Limited
2008 – Present

Auld Brewer Mazengarb & McEwen is a member of Lawlink – a network of 19 of New Zealand’s leading independent law firms sharing ideas, resources and business best practise

Member – Property Law Section of the New Zealand Law Society
2008 – Present

Chairman – Regional Employer Support Council, Taranaki
2011 – 2019

Member – The Defence Employer Support Council (National Body)
2011 – 2019
This is a statutory council created by the Defence Act 1990 with terms of reference defined by the Minister of Defence.  The role of the Council is to advise and monitor issues concerning NZDF reserves and employers and to support part-time military service and Government youth initiatives undertaken by the NZDF

Member – New Zealand Law Society Property and Transactions Technical Committee
2008 – 2019

Victoria University of Wellington
1974, 1976 – 1978, LLB

Papa Rererangi I Puketapu Limited (New Plymouth Airport) have worked closely with ABMM (particularly Allen Mazengarb) since our inception in 2017. PRIP have worked with ABMM across a variety of legal matters and value their professional and accommodating approach. ABMM staff have taken the time to understand our business and tailor advice to suit our requirements and meet our objectives.

Richard Buttimore, Operations Manager, Papa Rererangi I Puketapu Limited