Company lists · Data refreshed September 2026

Top 19 Infrastructure consulting firms based in Auckland, New Zealand

RevenueBase identified 89 infrastructure consulting firms headquartered in Auckland, New Zealand as of September 2026 and tracks 2,877 professional contacts across them, including 1,726 with verified work emails. Auckland is the largest hub.

This list covers infrastructure consulting firms headquartered in Auckland, 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, how directly it supports the match, and when it was last checked. Data refreshed September 3, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
89Companies
2,877Contacts tracked
1,726Verified emails
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The 19 largest infrastructure consulting firms based in Auckland, New Zealand

Ranked by team size
Top 19 of 89 infrastructure consulting firms based in Auckland, New Zealand, ranked by team size, largest first. Data refreshed Sep 3, 2026. Evidence rates how directly each company's own description names infrastructure consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Spectrum ConsultingIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-50147

“Spectrum assists clients to find more value from technology.”

Source: company website · checked Sep 3, 2026
2
Pipeline & Civil LTDIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202651-20056

“Pipeline and Civil are proven to provide innovative and technically sound solutions to complex projects involving critical assets; designed to mitigate risks while guarding a…”

Source: company website · checked Sep 3, 2026
3
Terra ConsultantsIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202651-20049

“Terra Group NZ Ltd is a New Zealand based and owned multidisciplinary consultancy company.”

Source: company website · checked Sep 3, 2026
4
Ross Reid LimitedIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5046

“ROSS REID LIMITED is a civil engineering company based out of 25 Stonedon Drive, AUCKLAND, N/A, New Zealand.”

Source: company website · checked Sep 3, 2026
5
ACH Consulting EngineersIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5037

“Today ACH employs over 40 staff in their Auckland office with a number being Chartered Professional Engineers.”

Source: company website · checked Sep 3, 2026
6
Torque IPIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5029

“Independent Technology Advisors - Advise+Acquire+Assure™ - We work as independent consultants, advisors and project managers on behalf of our clients to build the most effective…”

Source: company website · checked Sep 3, 2026
7
Synergine Group LimitedIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5029

“Synergine provides innovative, transformational, and enduring solutions for our clients, to enhance the well-being of communities and cities, through the power of working together.”

Source: company website · checked Sep 3, 2026
8
Blue Barn Consulting LTDPartial evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5028

“Blue Barn Consulting was established in 2008, and is proudly 100% New Zealand owned and operated.”

Source: company website · checked Sep 3, 2026
9Auckland, New ZealandHQ checked Sep 3, 202651-20022

“Offering modern technology and industry thinking with traditional values of integrity and experience, MDL are ready today to build the foundations and infrastructure for tomorrow.”

Source: company website · checked Sep 3, 2026
10
TektusIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5020

“In early 2015, Tektus was formed to create a distinct multi-disciplinary practice with strong values.”

Source: company website · checked Sep 3, 2026
11
EverestIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5019

“Everest is a Civil Engineering Design, Surveying and Land Development Consultancy.”

Source: company website · checked Sep 3, 2026
12
Andy O'sullivanPartial evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5015

“Andy O’Sullivan was established to offer a nimble international best practice service in geotechnical design to the local infrastructure industry.”

Source: company website · checked Sep 3, 2026
13Auckland, New ZealandHQ checked Sep 3, 202611-5012

“Electrical Consulting Services (ECS) was formed in 1991.”

Source: company website · checked Sep 3, 2026
14
Commute TransportationIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 20261-1011

“Commute Transportation was founded in 2015 by Leo Hills and Tony Innes to work alongside clients to solve their transportation challenges.”

Source: company website · checked Sep 3, 2026
15
Consult & ConstructIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 202611-5011
Source: company website · checked Sep 3, 2026
16
Railize LTDPartial evidence
Auckland, New ZealandHQ checked Sep 3, 20261-1011

“We are a railway consulting firm in advising on and managing rail projects for private and public entities.”

Source: company website · checked Sep 3, 2026
17
LWT StructuralIndirect evidence
Auckland, New ZealandHQ checked Sep 3, 20261-109

“LWT Structural strives to challenge the status quo and aims to become an industry leading structural engineering consultancy.”

Source: company website · checked Sep 3, 2026
18Auckland, New ZealandHQ checked Sep 3, 202611-509

“We offer Consulting Services in the following fields: Civil & Environmental Engineering, Structural Engineering, Land Surveying and Resource Management Planning.”

Source: company website · checked Sep 3, 2026
19Auckland, New ZealandHQ checked Sep 3, 20261-109

“Unlock the Power of Technology with VirtualFlex!”

Source: company website · checked Sep 3, 2026

Showing 19 of 89 infrastructure consulting firms based in Auckland, New Zealand

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Infrastructure consulting firms based in Auckland, New Zealand at a glance

As of Sep 3, 2026
1-10Median size (employees)
AucklandLargest hub · 89 HQs
Contacts with mobile numbers
Sep 3, 2026Data refreshed

Companies by employee count

1-10
52
11-50
25
51-200
9
201-500
1
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole New Zealand list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Auckland, over 89 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 infrastructure consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Auckland, New Zealand whose own description of what they do matches “infrastructure consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among infrastructure consulting firms, and records with no verified work email. Companies headquartered outside Auckland 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 an evidence 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, 1,726 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 3, 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.

Infrastructure consulting firms by metro in New Zealand

Frequently asked

How many infrastructure consulting firms are there based in Auckland, New Zealand?

RevenueBase identified 89 infrastructure consulting firms headquartered in Auckland, 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?

Spectrum Consulting, headquartered in Auckland, tops this list with the largest team on record.

Which city has the most infrastructure consulting firms?

Auckland leads with 89 headquartered companies, followed by Wellington (33) and Christchurch (30).

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 1,726 verified decision-maker contacts tracked across these 89 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 3, 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 SmartSearch, 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.