Trusted Tax &
Business Advisors for
New Zealand Business

ATAINZ is the professional membership body for accountants and tax agents who champion New Zealand's small and medium businesses.

For 50 years, our members have been the trusted advisors behind Kiwi business success.

Trusted advisors to NZ owner-operated businesses

Grow your practice with professional development, a genuine peer network, and national recognition.

Find a qualified, trusted advisor near you who understands New Zealand small and medium business.

Regional and national workshops, conferences and a member network that shares knowledge, so no one navigates change alone.

A structured pathway from Associate to Professional membership, backed by continuing education and up-to-date resources.

One of only three IRD-Approved Advisor Groups in New Zealand, bound by a robust Code of Ethics and disciplinary process.

Four membership levels support
every stage of your career.

Professional Tax & Business Advisor PTBA

Registered Tax & Business Advisor RTBA

Associate Tax & Business Advisor ATBA

Academic Member

What our members say

ATAINZ is made up of members who are just like our clients. Boutique and seriously connected.
ATAINZ is known for its standards, integrity, and honesty.
ATAINZ made us feel special and connected.
It's local. People are generous and kind. At all the conferences I've been to, there are a lot of laughter and hugs.