Company lists · Data verified August 2026

Top 25 B2B marketing consulting agencies based in Sydney, Australia

Name: B2B marketing consulting agencies based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 500 companies tracked

There are 500 B2B marketing consulting agencies headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 3,790 professional contacts across them, including 1,145 with verified work emails and 241 with mobile numbers. Sydney is the largest hub.

This list covers B2B marketing consulting agencies 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.

500Companies

3,790Contacts tracked

1,145Verified emails

241Mobile numbers

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The 25 largest B2B marketing consulting agencies based in Sydney, Australia

Ranked by team size

Top 25 of 500 B2B marketing consulting agencies 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	SEO Discovery Private Limited	Sydney	201-500	744	7
3	Fiftyfive5, Part Of Accenture Song	Sydney	201-500	170	106
4	MOI Global	Sydney	51-200	111	47
5	Direct IT	Sydney	51-200	77	30
6	Marketing EYE Atlanta Melbourne Sydney	Sydney	11-50	68	5
7	Mesh Marketing PTY LTD	Sydney	51-200	35	5
8	Rombii	Sydney	51-200	33	3
9	Splendid Group	Sydney	51-200	31	20
10	Crowdbox	Sydney	51-200	25	20
11	Spark Interact	Sydney	11-50	23	8
12	Direct Clicks	Sydney	11-50	20	1
13	Realclicks	Sydney	11-50	19	11
14	Madclarity	Sydney	11-50	16	10
15	Theonlineco	Sydney	11-50	15	9
16	Resonate	Sydney	11-50	15	8
17	Garner	Sydney	11-50	15	1
18	Marketing Advisory Partners	Sydney	11-50	14	8
19	Vonnimedia	Sydney	11-50	14	1
20	Millerprince	Sydney	11-50	13	12
21	Human Digital	Sydney	11-50	13	5
22	Onepoint	Sydney	11-50	13	2
23	Pounce Agency	Sydney	11-50	13	1
24	Divide By Zero	Sydney	11-50	12	6
25	Lution	Sydney	11-50	12	6

Showing 25 of 500 B2B marketing consulting agencies based in Sydney, Australia

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B2B marketing consulting agencies based in Sydney, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 500 HQs

241Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

422

11-50

51-200

201-500

1,001-5,000

10001+

B2B marketing consulting agencies by metro in Australia

Metro	Companies
B2B marketing consulting agencies in Sydney	500
B2B marketing consulting agencies in Melbourne	395
B2B marketing consulting agencies in Brisbane	198
B2B marketing consulting agencies in Perth	113
B2B marketing consulting agencies in Adelaide	86
B2B marketing consulting agencies in Gold Coast	46
B2B marketing consulting agencies in Sunshine Coast	18

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 “B2B marketing consulting agencies”, 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; 2 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 B2B marketing consulting agencies are there based in Sydney, Australia?

There are 500 B2B marketing consulting agencies 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 B2B marketing consulting agencies?

Sydney leads with 500 headquartered companies, followed by Melbourne (395) and Brisbane (198).

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 1,145 verified decision-maker contacts tracked across these 500 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.