Company lists · Data refreshed September 2026

Top 18 International tax consulting firms based in New Zealand

RevenueBase identified 28 international tax consulting firms headquartered in New Zealand as of September 2026 and tracks 152 professional contacts across them, including 66 with verified work emails. Auckland is the largest hub.

This list covers international tax consulting firms headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
28Companies
152Contacts tracked
66Verified emails
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The 18 largest international tax consulting firms based in New Zealand

Ranked by team size
Top 18 of 28 international tax consulting firms based in New Zealand, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to international tax consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAuckland, New ZealandHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“The caliber of our team is the foundation of the nsaTax business.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceAuckland, New ZealandHQ checked Sep 28, 202611-5013 contacts →

Partial evidence

“US Global Tax is growing at a phenomenal rate, and we’re now one of the largest US tax providers in Australia and New Zealand.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceAuckland Central, New ZealandHQ checked Sep 28, 202611-5013 contacts →

Partial evidence

“BDS Chartered Accountants are Full-Service Tax Consultants, NZICA Certified Accountants and Xero Accounting Platinum Partners.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceAuckland, New ZealandHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Vivid Accounting offers a full range of accounting, taxation and advisory services.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceHillcrest, New ZealandHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“US Tax Pros was founded to provide Americans abroad a simple and stress-free way to file taxes.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceAuckland, New ZealandHQ checked Sep 28, 202611-508 contacts →

Partial evidence

“We help business owners to understand their numbers and pay the right taxes, so they can focus on their strengths and succeed.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceAuckland, New ZealandHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“In a business environment that is increasingly global and complex, you want to ensure that you get advice to manage issues as efficiently and effectively as possible.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceAuckland, New ZealandHQ checked Sep 28, 20261-106 contacts →

Strong evidence

“As a specialist tax advisory firm, we’re experts in New Zealand and international tax law as it applies to individuals, trusts and companies.”

Source: RevenueBase Database · checked Sep 28, 2026
9Strong evidenceChristchurch, New ZealandHQ checked Sep 28, 20261-103 contacts →

Strong evidence

“At Johnston Law, we specialise in tax law with a particular focus on migrant, expat, and international tax matters.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceAuckland, New ZealandHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“We provide taxation accounting services to clients”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceWaikato, New ZealandHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“NZ Tax Desk is a boutique tax advisory firm specialising in New Zealand tax issues for individuals, their businesses and Trusts.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceAuckland, New ZealandHQ checked Sep 28, 202611-502 contacts →

Partial evidence

“Ursacorp is a innovative consulting firm that convert ideas to success.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidencePapakura, New ZealandHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“We understand how overwhelming tax matters can be.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceAuckland, New ZealandHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“We are a ‘boutique’ advisory firm specialising in all aspects of transfer pricing.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceAuckland, New ZealandHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“The US Tax Team New Zealand was established in 2023 by trusted and well known US Tax Specialists, David Tzimenakis EA and Matthew Twine EA.”

Source: RevenueBase Database · checked Sep 28, 2026
16Strong evidenceWellington, New ZealandHQ checked Sep 28, 202611-501 contacts →

Strong evidence

“OWENS TAX ADVISORS LIMITED We achieve positive outcomes for our New Zealand and international clients by providing effective specialist tax advice and advocacy services.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceAuckland, New ZealandHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“Long story short, we minimise tax and identify opportunities for businesses to maximise their growth.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceWellington, New ZealandHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“Provision of high quality, concise and timely tax legal advice to high net worth individuals/families, corporates and SME's.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 18 of 28 international tax consulting firms based in New Zealand

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International tax consulting firms based in New Zealand at a glance

As of Sep 28, 2026
43.4%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
60.7%Largest-city concentration · Auckland
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
19
11-50
8
51-200
1

Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 28 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among international tax consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in New Zealand whose own description of what they do matches “international tax consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names international tax consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among international tax consulting firms, and records with no verified work email. Companies headquartered outside New Zealand are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 66 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names international tax consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many international tax consulting firms are there based in New Zealand?

RevenueBase identified 28 international tax consulting firms headquartered in New Zealand as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Nsatax Limited, headquartered in Auckland, tops this list with the largest team on record.

Which city has the most international tax consulting firms?

Auckland leads with 17 headquartered companies, followed by Wellington (4) and Christchurch (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 66 verified decision-maker contacts tracked across these 28 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.