Company lists · Data refreshed September 2026

Top 25 City sustainability consultants based in Sydney, Australia

Name: City sustainability consultants based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 121 companies tracked

RevenueBase identified 121 city sustainability consultants headquartered in Sydney, Australia as of September 2026 and tracks 1,156 professional contacts across them, including 559 with verified work emails. Sydney is the largest hub.

This list covers city sustainability consultants headquartered in Sydney, Australia, 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 19, 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 19, 2026 86% judged on-target in blind review

121Companies

1,156Contacts tracked

559Verified emails

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The 25 largest city sustainability consultants based in Sydney, Australia

Ranked by team size

Top 25 of 121 city sustainability consultants based in Sydney, Australia, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to city sustainability consultants: 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	ECO Logical Australia PTY LTD	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	201-500	211 contacts →
	Indirect evidence “We exist to empower people to make a difference.” Source: RevenueBase Database · checked Sep 19, 2026
2	Edge Impact	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	51-200	84 contacts →
	Indirect evidence “Edge Impact exists to create a world where unsustainable is unthinkable.” Source: RevenueBase Database · checked Sep 19, 2026
3	Gyde Consulting	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	53 contacts →
	Indirect evidence “Why ‘GYDE’?” Source: RevenueBase Database · checked Sep 19, 2026
4	Mecone	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	48 contacts →
	Partial evidence “Mecone is a leading urban planning, policy and development advisory consultancy with offices in Sydney, Western Sydney, Melbourne, and Brisbane.” Source: RevenueBase Database · checked Sep 19, 2026
5	BWD Strategic	Strong evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	45 contacts →
	Strong evidence “BWD is a pure-play, independent sustainability consultancy and B Corp with offices in Sydney, New York, Brisbane, Phoenix, and Auckland.” Source: RevenueBase Database · checked Sep 19, 2026
6	Hatch Urban Solutions	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	51-200	43 contacts →
	Indirect evidence “Our mission is to make Australia’s cities and regions the greatest in the world.” Source: RevenueBase Database · checked Sep 19, 2026
7	CM Conybeare Morrison	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	36 contacts →
	Partial evidence “Conybeare Morrison International is a multi-disciplinary and award winning design consultancy, founded by Darrel Conybeare and William Morrison in 1980.” Source: RevenueBase Database · checked Sep 19, 2026
8	Terroir	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	31 contacts →
	Indirect evidence “Terroir is a collective of architects and urbanists dedicated to producing work that increases the connection between people and the places they inhabit.” Source: RevenueBase Database · checked Sep 19, 2026
9	Right Angle	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “First we shape our places, then our places shape us.” Source: RevenueBase Database · checked Sep 19, 2026
10	Dickson Rothschild	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	22 contacts →
	Indirect evidence “Dickson Rothschild began in 1993 as a collaborative design studio of Architects, Planners and Urban Designers developing innovative, individualised solutions.” Source: RevenueBase Database · checked Sep 19, 2026
11	Energylink Services PTY LTD	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	18 contacts →
	Partial evidence “EnergyLink Services is a multi-disciplinary, specialist, energy and carbon consultancy and project developer.” Source: RevenueBase Database · checked Sep 19, 2026
12	Keylan Consulting	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “KEYLAN Consulting provides personalised, expert urban planning and policy advisory services to a diverse range of industry and government clients.” Source: RevenueBase Database · checked Sep 19, 2026
13	Giles Tribe Architects	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Established for over forty years, Giles Tribe Architects is a leading architecture firm, providing services in architecture, interior design, planning and master-planning for…” Source: RevenueBase Database · checked Sep 19, 2026
14	100 Renewables	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	12 contacts →
	Partial evidence “100% Renewables is a national consultancy specialising in the development of Climate Action Strategies for business, including pathways to net zero emissions.” Source: RevenueBase Database · checked Sep 19, 2026
15	Avista Strategy	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	10 contacts →
	Partial evidence “We are a strategic consultancy for the infrastructure industry, born out of the sense that there was a better way.” Source: RevenueBase Database · checked Sep 19, 2026
16	Contrado	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “Our Vision To be a leader in the development and delivery of integrated infrastructure and property solutions.” Source: RevenueBase Database · checked Sep 19, 2026
17	Etheus	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence “As strategies, programs and projects become increasingly complex and demanding, it’s never been more important to have a comprehensive, thorough and integrated approach to…” Source: RevenueBase Database · checked Sep 19, 2026
18	Sphere Infrastructure Partners	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	7 contacts →
	Indirect evidence “Sphere was founded in 2018 in recognition of the need for advisors with specific environmental sector experience, development capability and expertise in delivering complex…” Source: RevenueBase Database · checked Sep 19, 2026
19	The Planning Studio	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	7 contacts →
	Indirect evidence “We acknowledge the Traditional Owners of the lands in which we work, the Gadigal people, and pay respect to Elders, past, present + emerging.” Source: RevenueBase Database · checked Sep 19, 2026
20	Stu.Ff Group	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	7 contacts →
	Indirect evidence “Architecture and Interior Design Studio” Source: RevenueBase Database · checked Sep 19, 2026
21	The Planning HUB	Partial evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	6 contacts →
	Partial evidence “The Planning Hub by Hawes and Swan is a boutique town planning consultancy, providing professional town planning advice to a range of stakeholders.” Source: RevenueBase Database · checked Sep 19, 2026
22	Pure Environment	Strong evidence	Sydney, AustraliaHQ checked Sep 19, 2026	11-50	6 contacts →
	Strong evidence “We are a dedicated consultancy driven by a profound commitment to fostering sustainability across diverse sectors, including construction, commercial, industrial, and financial…” Source: RevenueBase Database · checked Sep 19, 2026
23	70 Ways	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “70 Ways is at the forefront of ushering businesses into a sustainable future, recognizing the complex challenges posed by the evolving landscape of energy, environment, and safety.” Source: RevenueBase Database · checked Sep 19, 2026
24	Infrafuture	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “We are a specialist in the energy and water sectors across major projects and business operations.” Source: RevenueBase Database · checked Sep 19, 2026
25	Unitive	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “Helping build responsible businesses and leaders for a more sustainable, productive and meaningful economy.” Source: RevenueBase Database · checked Sep 19, 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: city sustainability consultants. 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 city sustainability consultants.
Partial evidence: Its own public description names part of city sustainability consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name city sustainability consultants. 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 121 city sustainability consultants based in Sydney, Australia

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City sustainability consultants based in Sydney, Australia at a glance

As of Sep 19, 2026

48.4%Verified-email coverage

9.6Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · Sydney

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 121 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 city sustainability consultants, 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 Sydney, Australia whose own description of what they do matches “city sustainability consultants”. 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 city sustainability consultants), 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 city sustainability consultants, and records with no verified work email. Companies headquartered outside Sydney 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, 559 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 19, 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.

City sustainability consultants by metro in Australia

City sustainability consultants in Sydney121
City sustainability consultants in Melbourne101
City sustainability consultants in Brisbane51
City sustainability consultants in Perth45
City sustainability consultants in Adelaide30

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 city sustainability consultants, 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 city sustainability consultants are there based in Sydney, Australia?

RevenueBase identified 121 city sustainability consultants headquartered in Sydney, Australia 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?

ECO Logical Australia PTY LTD, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most city sustainability consultants?

Sydney leads with 121 headquartered companies, followed by Melbourne (101) and Brisbane (51).

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 559 verified decision-maker contacts tracked across these 121 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 19, 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.