Company lists · Data verified August 2026

Top 25 Communications consulting firms based in Australia

Name: Communications consulting firms based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 633 companies tracked

There are 633 communications consulting firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 3,050 professional contacts across them, including 1,330 with verified work emails and 287 with mobile numbers. Sydney is the largest hub.

This list covers communications consulting firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

633Companies

3,050Contacts tracked

1,330Verified emails

287Mobile numbers

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The 25 largest communications consulting firms based in Australia

Ranked by team size

Top 25 of 633 communications consulting firms based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	SEC Newgate Australia	Brisbane	51-200	109	83
2	Rowland	Brisbane	51-200	100	45
3	Thrive PR Communications	Sydney	51-200	74	40
4	Phillips Group	Brisbane	11-50	53	20
5	Mahlab	Sydney	51-200	49	24
6	Dipole Group	North Sydney	51-200	49	19
7	Ethos CRS	Braddon	11-50	48	25
8	Bluechip Communication	Sydney	11-50	37	11
9	Sefiani, Part Of Clarity Global	Sydney	11-50	34	14
10	Essential	Carlton	11-50	33	20
11	RD Consulting	City	11-50	31	14
12	The Comms Team PTY LTD	Fortitude Valley	11-50	28	26
13	Clarity Communications	Subiaco	11-50	27	18
14	Porter Novelli Australia	St Leonards	51-200	25	12
15	Mindbox	Sydney	11-50	25	11
16	Primary Comms Group	Melbourne	11-50	24	16
17	Counsel House	Melbourne	11-50	21	17
18	Ocrt Consulting	Canberra	11-50	21	15
19	BWH Communication	n/a	11-50	21	2
20	Teleresources Engineering	Rydalmere	11-50	19	6
21	Fleetwood Strategy	Melbourne	11-50	18	15
22	The SAS Group	Brisbane	11-50	17	13
23	GRA Partners PTY LTD	West Perth	11-50	17	8
24	Bite Communications PTY LTD	Manly	11-50	15	12
25	Flourish PR Australia	Collingwood	11-50	15	11

Showing 25 of 633 communications consulting firms based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,330 reachable decision-makers.

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Communications consulting firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 147 HQs

287Contacts with mobile numbers

18Emails re-verified in last 30 days

Companies by employee count

1-10

541

11-50

51-200

Communications consulting firms by metro

Metro	Companies
Communications consulting firms in Sydney	147
Communications consulting firms in Melbourne	108
Communications consulting firms in Brisbane	64
Communications consulting firms in Perth	37
Communications consulting firms in Adelaide	17
Communications consulting firms in Canberra	17
Communications consulting firms in Hobart	8

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “communications consulting firms”, with match quality audited by blind human judging, and headquartered in Australia.
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: Contact records re-verify on a rolling cadence; 18 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many communications consulting firms are there based in Australia?

There are 633 communications consulting firms headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most communications consulting firms?

Sydney leads with 147 headquartered companies, followed by Melbourne (108) and Brisbane (64).

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 1,330 verified decision-maker contacts tracked across these 633 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.