Company lists · Data refreshed September 2026

Top 20 Energy transition consulting companies based in New Zealand

RevenueBase identified 47 energy transition consulting companies headquartered in New Zealand as of September 2026 and tracks 239 professional contacts across them, including 114 with verified work emails. Auckland is the largest hub.

This list covers energy transition consulting companies 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 16, 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 16, 2026 86% judged on-target in blind review
47Companies
239Contacts tracked
114Verified emails
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The 20 largest energy transition consulting companies based in New Zealand

Ranked by team size
Top 20 of 47 energy transition consulting companies based in New Zealand, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy transition consulting companies: 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
1Partial evidenceWellington, New ZealandHQ checked Sep 16, 202651-20042 contacts →

Partial evidence

“Simply Energy is part of Contact Energy Ltd, and together we’ve embarked on an important mission to create a more sustainable energy future for Aotearoa New Zealand.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceTaupo, New ZealandHQ checked Sep 16, 202611-5027 contacts →

Partial evidence

“JRG Energy is an established group of personalized consultants servicing all aspects of the Oil and Gas, Geothermal, and Renewable Energy Industries.”

Source: RevenueBase Database · checked Sep 16, 2026
3Strong evidenceNew Plymouth, New ZealandHQ checked Sep 16, 202611-5020 contacts →

Strong evidence

“Elemental Group is an energy consultancy and developer dedicated to delivering solutions for a world in energy transition.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceWellington, New ZealandHQ checked Sep 16, 20261-1016 contacts →

Partial evidence

“Concept is a specialist energy and economics consultancy that provides services to clients in New Zealand, Australia and the wider Asia-Pacific region.”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceAuckland, New ZealandHQ checked Sep 16, 202611-509 contacts →

Indirect evidence

“Thorndon Cook Ltd is a New Zealand based engineering consultancy passionate about applying our technical knowledge to benefit communities and clients.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceWellington, New ZealandHQ checked Sep 16, 20261-107 contacts →

Partial evidence

“Envisory (formerly Hale & Twomey) provides strategic advice and consultancy services to the energy sector, focusing on liquid fuels, renewable fuels including sustainable aviation…”

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceWellington, New ZealandHQ checked Sep 16, 20261-107 contacts →

Partial evidence

“We help market participants, policy makers, regulators, and operators get the most out of their energy markets.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidencePalmerston North, New ZealandHQ checked Sep 16, 202611-506 contacts →

Partial evidence

Energenze Global underpins the electrification of economies around the world.”

Source: RevenueBase Database · checked Sep 16, 2026
9Partial evidenceAuckland, New ZealandHQ checked Sep 16, 20261-105 contacts →

Partial evidence

“Revolve Energy is a consultancy and system integrator focused on the application of renewable energy and demand side technologies.”

Source: RevenueBase Database · checked Sep 16, 2026
10Indirect evidencePalmerston North, New ZealandHQ checked Sep 16, 202611-505 contacts →

Indirect evidence

“Providing our customers with savings and the right advice.”

Source: RevenueBase Database · checked Sep 16, 2026
11Strong evidenceAuckland, New ZealandHQ checked Sep 16, 20261-103 contacts →

Strong evidence

“MRC Nel Consulting Ltd.(NCL) of New Zealand is an energy consulting firm established in 2009 by consultants from recognised engineering consultancy companies.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceWellington, New ZealandHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“BlackYARD Engineering is an experienced electrical engineering company with offices covering New Zealand in Wellington and Wanaka.”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceAuckland, New ZealandHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Emission Impossible Ltd, founded in 2008, is a consultancy specialising in air quality, climate change, emissions management and sustainability.”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidenceAuckland, New ZealandHQ checked Sep 16, 20261-101 contacts →

Indirect evidence

“MB2 is your one-stop shop for sustainability, climate change and health & safety needs.”

Source: RevenueBase Database · checked Sep 16, 2026
15Partial evidenceWellington, New ZealandHQ checked Sep 16, 20261-101 contacts →

Partial evidence

“Consultancy providing technical and policy advice on renewable energy for transport: electric vehicles, sustainable biofuels, fuel efficient vehicles.”

Source: RevenueBase Database · checked Sep 16, 2026
16Partial evidenceWellington, New ZealandHQ checked Sep 16, 20261-101 contacts →

Partial evidence

“Frazer Lindstrom is New Zealand's leading independent climate change, emissions trading and energy sector consultancy.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceWellington, New ZealandHQ checked Sep 16, 20261-101 contacts →

Indirect evidence

“Our business model is based on collaboration.”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceBay Of Plenty, New ZealandHQ checked Sep 16, 20261-101 contacts →

Indirect evidence

“KLA CONSULTANCY LIMITED is a company based out of the East Coast, New Zealand.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceTe Haroto, New ZealandHQ checked Sep 16, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
20Partial evidenceNew Plymouth, New ZealandHQ checked Sep 16, 20261-101 contacts →

Partial evidence

“Consultancy specialising in business strategy, data analytics and process engineering for the energy, manufacturing and food industries.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 20 of 47 energy transition consulting companies based in New Zealand

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Energy transition consulting companies based in New Zealand at a glance

As of Sep 16, 2026
47.7%Verified-email coverage
5.1Average contacts per company
1-10Median size (employees)
27.7%Largest-city concentration · Auckland
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
7
51-200
3

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 47 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 energy transition consulting companies, 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 “energy transition consulting companies”. 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 energy transition consulting companies), 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 energy transition consulting companies, 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, 114 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 16, 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 energy transition consulting companies, 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 energy transition consulting companies are there based in New Zealand?

RevenueBase identified 47 energy transition consulting companies 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?

Simply Energy, headquartered in Wellington, tops this list with the largest team on record.

Which city has the most energy transition consulting companies?

Auckland leads with 13 headquartered companies, followed by Wellington (12) and Palmerston North (4).

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 114 verified decision-maker contacts tracked across these 47 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 16, 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.