Company lists · Data refreshed September 2026

Top 25 Engineering consultancies based in New Zealand

Name: Engineering consultancies based in New Zealand
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 1,273 companies tracked

RevenueBase identified 1,273 engineering consultancies headquartered in New Zealand as of September 2026 and tracks 19,188 professional contacts across them, including 10,696 with verified work emails and 373 with mobile numbers. Auckland is the largest hub.

This list covers engineering consultancies 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 24, 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 24, 2026 86% judged on-target in blind review

1,273Companies

19,188Contacts tracked

10,696Verified emails

373Mobile numbers

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The 25 largest engineering consultancies based in New Zealand

Ranked by team size

Top 25 of 1,273 engineering consultancies based in New Zealand, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to engineering consultancies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	WSP In NEW Zealand	Partial evidence	Wellington, New ZealandHQ checked Sep 24, 2026	1,001-5,000	1,597 contacts →
	Partial evidence “We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.” Source: RevenueBase Database · checked Sep 24, 2026
2	Tonkin Taylor	Indirect evidence	Auckland Central, New ZealandHQ checked Sep 24, 2026	1,001-5,000	958 contacts →
	Indirect evidence “At Tonkin + Taylor, we’re dedicated to creating and sustaining a better world together.” Source: RevenueBase Database · checked Sep 24, 2026
3	Opus International Consultants Limited	Indirect evidence	Wellington, New ZealandHQ checked Sep 24, 2026	1,001-5,000	568 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 24, 2026
4	RCP	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	422 contacts →
	Indirect evidence “RCP has been adding value through our provision of independent strategic advisory, programme and project management services to Aotearoa’s infrastructure, property and…” Source: RevenueBase Database · checked Sep 24, 2026
5	Pattle Delamore Partners	Strong evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	277 contacts →
	Strong evidence “PDP is one of Aotearoa New Zealand’s leading environmental science, engineering, and advisory consultancies.” Source: RevenueBase Database · checked Sep 24, 2026
6	Harrison Grierson	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	258 contacts →
	Indirect evidence “Welcome to Harrison Grierson - we're an urban development consultancy that's passionate about creating beautiful, resilient environments that work in harmony with people.” Source: RevenueBase Database · checked Sep 24, 2026
7	MCKAY	Partial evidence	Whangarei, New ZealandHQ checked Sep 24, 2026	501-1,000	239 contacts →
	Partial evidence “McKay is creating the future through innovative electrical engineering solutions.” Source: RevenueBase Database · checked Sep 24, 2026
8	Babbage Consultants Limited	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	233 contacts →
	Indirect evidence “Babbage is a 100% New Zealand-owned multi-discipline consultancy offering 'one-stop-shop' solutions and specialist expertise in Architecture and Interior Design, Ecology…” Source: RevenueBase Database · checked Sep 24, 2026
9	WOODS	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	191 contacts →
	Indirect evidence “At Woods, we know there’s a lot at stake when you’re enabling land for new homes and infrastructure, reputation, investment, and the opportunity to create better, more resilient…” Source: RevenueBase Database · checked Sep 24, 2026
10	Southbase Group	Indirect evidence	Christchurch 8140, New ZealandHQ checked Sep 24, 2026	51-200	188 contacts →
	Indirect evidence “We are a group of independent specialist companies transforming New Zealand’s construction industry for good.” Source: RevenueBase Database · checked Sep 24, 2026
11	CBD	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	n/a	162 contacts →
	Indirect evidence “Technical Specialisation - Industrial design - Design for manufacture - Prototyping and testing - Craft and material experimentation - Sustainability analysis - Market and…” Source: RevenueBase Database · checked Sep 24, 2026
12	Dialog Fitzroy LTD	Partial evidence	New Plymouth, New ZealandHQ checked Sep 24, 2026	501-1,000	150 contacts →
	Partial evidence “DIALOG Fitzroy is one of Australasia's largest multi-disciplined engineering services companies.” Source: RevenueBase Database · checked Sep 24, 2026
13	Dempsey Wood Civil	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	201-500	137 contacts →
	Indirect evidence “Established in 1993, Dempsey Wood is a family-owned and operated civil contractor delivering a range of civil infrastructure works and land development projects throughout the…” Source: RevenueBase Database · checked Sep 24, 2026
14	Geotechnics LTD	Partial evidence	Onehunga, New ZealandHQ checked Sep 24, 2026	51-200	129 contacts →
	Partial evidence “Geotechnics is a civil engineering testing company, offering a diversified suite of testing services and testing products.” Source: RevenueBase Database · checked Sep 24, 2026
15	Kirk Roberts Consulting	Indirect evidence	Christchurch, New ZealandHQ checked Sep 24, 2026	51-200	129 contacts →
	Indirect evidence “Our purpose and passion is striving continuously to find better ways.” Source: RevenueBase Database · checked Sep 24, 2026
16	Frequency	Indirect evidence	Auckland, New ZealandHQ checked Sep 24, 2026	51-200	124 contacts →
	Indirect evidence “We are project managers and advisers.” Source: RevenueBase Database · checked Sep 24, 2026
17	The Building Intelligence Group	Indirect evidence	Wellington, New ZealandHQ checked Sep 24, 2026	51-200	122 contacts →
	Indirect evidence “The Building Intelligence Group is 35 years strong in independent project management and advisory services.” Source: RevenueBase Database · checked Sep 24, 2026
18	Engeo NZ & AU	Partial evidence	Christchurch, New ZealandHQ checked Sep 24, 2026	51-200	121 contacts →
	Partial evidence “ENGEO Ltd (formally Geoscience Consulting) is a specialist consultancy group providing Engineering Geological, Geophysical, Environmental and Geotechnical Engineering services.” Source: RevenueBase Database · checked Sep 24, 2026
19	MAVEN	Indirect evidence	Nz Wide, New ZealandHQ checked Sep 24, 2026	51-200	120 contacts →
	Indirect evidence “Maven turns potential into reality.” Source: RevenueBase Database · checked Sep 24, 2026
20	BCD Group Limited	Indirect evidence	Hamilton, New ZealandHQ checked Sep 24, 2026	51-200	116 contacts →
	Indirect evidence “BCD Group Limited is a locally owned and operated consultancy specialising in Planning, Surveying, Environmental, Geotechnical, Civil, Traffic & Transport, Structural and Fire…” Source: RevenueBase Database · checked Sep 24, 2026
21	Culham Engineering Company LTD	Partial evidence	Whangarei, New ZealandHQ checked Sep 24, 2026	201-500	115 contacts →
	Partial evidence “Culham Engineering is privately owned and operated and has delivered innovative and high-value heavy engineering solutions throughout New Zealand for over 60 years.” Source: RevenueBase Database · checked Sep 24, 2026
22	Marshall DAY Acoustics	Partial evidence	Auckland Central, New ZealandHQ checked Sep 24, 2026	51-200	113 contacts →
	Partial evidence “Marshall Day Acoustics (MDA) is one of the world's leading acoustic consultancies.” Source: RevenueBase Database · checked Sep 24, 2026
23	Ergo Consulting	Partial evidence	Auckland, New ZealandHQ checked Sep 24, 2026	51-200	112 contacts →
	Partial evidence “Ergo aspires to be New Zealand’s first choice provider of engineering consultancy services to the power and energy industry.” Source: RevenueBase Database · checked Sep 24, 2026
24	BTW Company LTD	Indirect evidence	New Plymouth, New ZealandHQ checked Sep 24, 2026	51-200	97 contacts →
	Indirect evidence “With offices in Ngāmotu – New Plymouth, Kirikiriroa – Hamilton, Whāingaroa – Raglan and Taupō, BTW is made up of 90+ professional land and geospatial surveyors, civil and…” Source: RevenueBase Database · checked Sep 24, 2026
25	Mckenzie & CO	Indirect evidence	Manukau, New ZealandHQ checked Sep 24, 2026	51-200	90 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 24, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: engineering consultancies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names engineering consultancies.
Partial evidence: Its own public description names part of engineering consultancies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name engineering consultancies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,273 engineering consultancies based in New Zealand

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Engineering consultancies based in New Zealand at a glance

As of Sep 24, 2026

55.7%Verified-email coverage

1.9%Mobile-number coverage

15.1Average contacts per company

1-10Median size (employees)

32.8%Largest-city concentration · Auckland

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

746

11-50

384

51-200

119

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

8,0760–30

2,40931–60

16161–90

690–180

44180+

Company record updated

Median 90.0d

00–30

1,04431–60

8,92261–90

8,28490–180

938180+

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 engineering consultancies, 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 “engineering consultancies”. 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 engineering consultancies), 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 engineering consultancies, 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, 10,696 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 24, 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.

Engineering consultancies by metro

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 engineering consultancies, 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 engineering consultancies are there based in New Zealand?

RevenueBase identified 1,273 engineering consultancies 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?

WSP In NEW Zealand, headquartered in Wellington, tops this list with the largest team on record.

Which city has the most engineering consultancies?

Auckland leads with 418 headquartered companies, followed by Christchurch (162) and Wellington (62).

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 10,696 verified decision-maker contacts tracked across these 1,273 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 24, 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.