Company lists · Data verified August 2026

Top 25 Advertising agencies based in Australia

Name: Advertising agencies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,572 companies tracked

There are 2,572 advertising agencies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 24,294 professional contacts across them, including 8,111 with verified work emails and 2,316 with mobile numbers. Sydney is the largest hub.

This list covers advertising agencies 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.

2,572Companies

24,294Contacts tracked

8,111Verified emails

2,316Mobile numbers

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The 25 largest advertising agencies based in Australia

Ranked by team size

Top 25 of 2,572 advertising agencies 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	IVE Group	Sydney	1,001-5,000	878	532
2	VCCP	Surry Hills	501-1,000	830	475
3	OMD Australia	Melbourne	501-1,000	544	317
4	Wellcom Worldwide	Sydney	501-1,000	316	35
5	Cutting Edge	Chippendale	51-200	303	22
6	Essencemediacom Australia & NEW Zealand	Sydney	201-500	244	151
7	AIIMS	Strathfield	51-200	182	54
8	Spark Foundry Australia	Pyrmont	201-500	177	123
9	Zinc Group	South Yarra	201-500	175	111
10	Ogilvy Australia	Brisbane	501-1,000	162	51
11	UM Australia	City	201-500	153	110
12	Carat Australia	Perth	201-500	146	92
13	SBM Marketing Communications	Silverwater	51-200	146	57
14	Zenith Media Australia	Southbank	51-200	136	6
15	Droga5 ANZ	Melbourne	51-200	133	22
16	Imsglobal	Sydney	51-200	119	61
17	Mindshare Australia & NEW Zealand	Southbank	201-500	104	66
18	Cheil Australia	Sydney	201-500	103	27
19	Hatched	Windsor	51-200	99	33
20	Innocean Australia	Darlinghurst	51-200	95	55
21	Hogarth Australia	n/a	51-200	92	42
22	Thelab	Darlinghurst	51-200	90	39
23	Mccorkell	Sydney	51-200	79	16
24	Thrive PR Communications	Sydney	51-200	74	40
25	Reload Media	Milton	51-200	73	39

Showing 25 of 2,572 advertising agencies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 8,111 reachable decision-makers.

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Advertising agencies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 448 HQs

2,316Contacts with mobile numbers

48Emails re-verified in last 30 days

Companies by employee count

1-10

1,807

11-50

620

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Advertising agencies by metro

Metro	Companies
Advertising agencies in Sydney	448
Advertising agencies in Melbourne	338
Advertising agencies in Brisbane	136
Advertising agencies in Adelaide	88
Advertising agencies in Perth	72
Advertising agencies in Surry Hills	46
Advertising agencies in Gold Coast	41

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 “advertising agencies”, 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; 48 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 advertising agencies are there based in Australia?

There are 2,572 advertising agencies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

IVE Group, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most advertising agencies?

Sydney leads with 448 headquartered companies, followed by Melbourne (338) and Brisbane (136).

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 8,111 verified decision-maker contacts tracked across these 2,572 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.