Your trusted
Tax and
Business Advisors –
NZ Wide

Our Story: The voice of
small and medium business
in New Zealand

Established in 1976 the Accountants & Tax Agents Institute of NZ (ATAINZ) has been in existence for more than 47 years. With over 470 Members nationwide from Kerikeri to Invercargill, ATAINZ Members are here to be your trusted Tax and Business Advisors.

ATAINZ supports Tax Agents by promoting professional growth and development opportunities, as well as education and Member support.

Members of ATAINZ provide a wide range of services including:

  • Accounting
  • Business mentoring
  • Reviews
  • Valuations
  • Company Incorporations
  • Tax advice
  • Tax agency work

Members’ clients include business owners, self-employed, partnerships, companies, investors, salary and wage earners, superannuitants, agents, rental income earners, farmers, estates and trusts.

Strength in numbers

Remembering ‘none of us is as smart as all of us’, as a collective we have the opportunity of developing unparalleled taxation expertise with strength in numbers, and being in a prime position to earn trust as Advisors.

A Code of Ethics to support our Members and their clients

All ATAINZ Members must comply with a Code of Ethics, which covers four main areas:

  • Integrity
  • Trust and confidence
  • Standards of service
  • Professional conduct

If you are working with an ATAINZ Member, you can rest assured that they are maintaining high ethical standards and have access to up to date resources. As trusted Tax and Business Advisors, we are here to support our members and our clients.

Tax Agents who are up to date with all tax changes

If you are a Tax Agent, ATAINZ can provide the resources to ensure you keep up to date on the latest tax changes, and what’s in the pipeline, as well as developing your professional skills.

ATAINZ Members are required to undertake a level of further education and professional development every year. As a business owner, you can trust that ATAINZ Members have access to up to date information and can provide the best advice.

Our Vision and Mission


ATAINZ to be recognised as the voice of small-medium business (SME) New Zealand.


Empowering Members to be recognised as Trusted Advisors in the business community.

ATAINZ is focused on empowering and resourcing Members to provide professional accounting, taxation and business advice to small and medium businesses in New Zealand.

Approved Advisor Group

ATAINZ is one of only three organisations to have received “Approved Advisor Group” status by the Inland Revenue Department. We are proud to be recognised as trusted Tax and Business Advisors.

Our Partners

Principal Partner

Major Partner

Preferred Partner