Company lists · Data refreshed September 2026

Top 25 Government affairs consultants based in Sydney, Australia

RevenueBase identified 71 government affairs consultants headquartered in Sydney, Australia as of September 2026 and tracks 636 professional contacts across them, including 373 with verified work emails. Sydney is the largest hub.

This list covers government affairs 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
71Companies
636Contacts tracked
373Verified emails
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The 25 largest government affairs consultants based in Sydney, Australia

Ranked by team size
Top 25 of 71 government affairs 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 government affairs 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202651-200110 contacts →

Indirect evidence

“SEC Newgate Australia is Australia’s largest full-service strategic communications firm for complex issues.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202651-20084 contacts →

Indirect evidence

“EY-Parthenon Strategy, formerly EY Port Jackson Partners, is a leading Australian strategy consulting practice trusted by CEOs, Boards and senior leaders to advise on the most…”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceSydney, AustraliaHQ checked Sep 19, 202651-20078 contacts →

Partial evidence

“GRACosway is Australia’s leading public affairs and strategic communications advisory firm.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202651-20071 contacts →

Indirect evidence

“We are legal and regulatory advisors who achieve extraordinary outcomes for clients.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-5033 contacts →

Indirect evidence

“CMN is committed to high standards of service and continued excellence in the practice of law.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-5030 contacts →

Indirect evidence

“Essential is a strategic communications agency working primarily with member and not-for-profit organisations.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceSydney, AustraliaHQ checked Sep 19, 202611-5020 contacts →

Partial evidence

“Freshwater Strategy operates at the nexus of capital, business, and government, transforming uncertainty into opportunity.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceSydney, AustraliaHQ checked Sep 19, 202611-5017 contacts →

Partial evidence

“A leading independent advisor to leading companies, state and federal governments, industry associations and growth stage companies on M&A, capital raising, corporate strategy and…”

Source: RevenueBase Database · checked Sep 19, 2026
9Strong evidenceSydney, AustraliaHQ checked Sep 19, 202611-5014 contacts →

Strong evidence

“Wilkinson Butler is a strategic communications and corporate affairs consultancy focused on building trust, enhancing reputation, and influencing change.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceSydney, AustraliaHQ checked Sep 19, 202611-5013 contacts →

Partial 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
11Partial evidenceSydney, AustraliaHQ checked Sep 19, 202611-5012 contacts →

Partial evidence

“Connecting business with Government.”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceSydney, AustraliaHQ checked Sep 19, 202611-5011 contacts →

Partial evidence

“CORNERSTONE GROUP has built its reputation on delivering successful government and public relations outcomes.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-109 contacts →

Indirect evidence

“Ethical Strategies is a team of smart, resourceful and results-oriented communications professionals dedicated to supporting clients succeed in a complex and dynamic commercial…”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceSydney, AustraliaHQ checked Sep 19, 202611-509 contacts →

Strong evidence

“John Connolly & Partners is an independent public relations and government affairs firm.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

“Media & Capital Partners is a boutique advisory firm with offices in Sydney, Melbourne and Perth that provides a targeted suite of services including media, investor and…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-106 contacts →

Indirect evidence

“Founded in 2001, Bluegrass Consulting has worked with some of Australia’s most respected and innovative companies, to engage with stakeholders more effectively around the issues…”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-505 contacts →

Indirect evidence

“Tribune is a strategic communications firm providing corporate communication and reputation management counsel to senior executives and Boards.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-105 contacts →

Indirect evidence

“For over 10 years, P&L Corporate Communications has partnered blue chip Australian and global clients, raising their profile and enhancing their corporate reputation.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-503 contacts →

Indirect evidence

“Quay Law Partners is an Australian law firm focused on providing clear and strategic regulatory advice, including through to litigation, if this is unavoidable.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-103 contacts →

Indirect evidence

“At Stratagem Corporate Advisory, our mission is to enhance and protect the growth our clients.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-102 contacts →

Indirect evidence

“At the helm of Anchor & Co is strategic communications pro, Julie Wright.”

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceSydney, AustraliaHQ checked Sep 19, 20261-102 contacts →

Strong evidence

“As well as designing evidence based government and public affairs strategies, Policy Australia also helps organisations seamlessly integrate policy and regulatory requirements…”

Source: RevenueBase Database · checked Sep 19, 2026
23Strong evidenceSydney, AustraliaHQ checked Sep 19, 20261-102 contacts →

Strong evidence

“Willard is a specialist public affairs consultancy, providing government relations advocacy, strategic counsel, public relations, media and crisis management.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceSydney, AustraliaHQ checked Sep 19, 20261-102 contacts →

Partial evidence

“Reform Matters is a consultancy offering comprehensive, practical and accessible regulatory and policy advice and support, with a focus on the energy sector.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceSydney, AustraliaHQ checked Sep 19, 20261-102 contacts →

Indirect evidence

“Advisory Street provides high quality advice to organisations facing public policy and stakeholder engagement challenges.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 71 government affairs consultants based in Sydney, Australia

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Government affairs consultants based in Sydney, Australia at a glance

As of Sep 19, 2026
58.6%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
100.0%Largest-city concentration · Sydney
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
14
51-200
5

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 71 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 government affairs 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 “government affairs 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 government affairs 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 government affairs 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, 373 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.

Government affairs consultants by metro in Australia

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 government affairs 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 government affairs consultants are there based in Sydney, Australia?

RevenueBase identified 71 government affairs 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?

SEC Newgate Australia, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most government affairs consultants?

Sydney leads with 71 headquartered companies, followed by Melbourne (52) and Brisbane (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 373 verified decision-maker contacts tracked across these 71 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.