Company lists · Data verified August 2026

Top 25 Advertising consulting firms based in Sydney, Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 330 companies tracked

There are 330 advertising consulting firms headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 2,673 professional contacts across them, including 829 with verified work emails and 262 with mobile numbers. Sydney is the largest hub.

This list covers advertising consulting firms headquartered in Sydney, 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.

330Companies

2,673Contacts tracked

829Verified emails

262Mobile numbers

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The 25 largest advertising consulting firms based in Sydney, Australia

Ranked by team size

Top 25 of 330 advertising consulting firms based in Sydney, 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	Mccorkell	Sydney	51-200	79	16
3	Marketing EYE Atlanta Melbourne Sydney	Sydney	11-50	68	5
4	Make IT Happen	Sydney	11-50	41	3
5	The Speed Agency	Sydney	11-50	34	18
6	Mindbox	Sydney	11-50	25	11
7	The ONE Centre	Sydney	11-50	22	6
8	Madclarity	Sydney	11-50	16	10
9	Sweeney Advertising	Sydney	11-50	13	8
10	Leonards Advertising	Sydney	11-50	13	7
11	Onepoint	Sydney	11-50	13	2
12	Pounce Agency	Sydney	11-50	13	1
13	Sierra Marketing	Sydney	11-50	11	3
14	The National Grid	Sydney	1-10	11	1
15	Little Marketing	Sydney	11-50	10	3
16	Switch Digital	Sydney	11-50	10	2
17	NOW Screen	Sydney	11-50	9	7
18	CCGM	Sydney	11-50	9	3
19	Melotti Content Media	Sydney	1-10	9	3
20	The Drawing Board	Sydney	1-10	9	1
21	It's Friday	Sydney	11-50	8	6
22	Lexicon Agency	Sydney	1-10	7	4
23	Blackfisch	Sydney	11-50	6	4
24	The Pure Agency	Sydney	11-50	5	4
25	Olivetree Marketing Agency	Sydney	1-10	5	4

Showing 25 of 330 advertising consulting firms based in Sydney, Australia

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Advertising consulting firms based in Sydney, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 330 HQs

262Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

270

11-50

51-200

201-500

1,001-5,000

10001+

Advertising consulting firms by metro in Australia

Metro	Companies
Advertising consulting firms in Sydney	330
Advertising consulting firms in Melbourne	283
Advertising consulting firms in Brisbane	131
Advertising consulting firms in Perth	87
Advertising consulting firms in Adelaide	78
Advertising consulting firms in Gold Coast	36
Advertising consulting firms in South Melbourne	28

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 consulting firms”, with match quality audited by blind human judging, and headquartered in Sydney, 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; 5 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 consulting firms are there based in Sydney, Australia?

There are 330 advertising consulting firms headquartered in Sydney, 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 consulting firms?

Sydney leads with 330 headquartered companies, followed by Melbourne (283) and Brisbane (131).

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 829 verified decision-maker contacts tracked across these 330 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.