Company lists · Data verified August 2026

Top 25 B2B marketing agencies based in Australia

There are 1,795 B2B marketing agencies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 11,746 professional contacts across them, including 3,376 with verified work emails and 803 with mobile numbers. Sydney is the largest hub.

This list covers B2B marketing 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.

1,795Companies
11,746Contacts tracked
3,376Verified emails
803Mobile numbers
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The 25 largest B2B marketing agencies based in Australia

Ranked by team size
Top 25 of 1,795 B2B marketing agencies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1IVE GroupSydney1,001-5,000878532
2SEO Discovery Private LimitedSydney201-5007447
3LocalsearchGold Coast201-500302244
4Zinc GroupSouth Yarra201-500175111
5SBM Marketing CommunicationsSilverwater51-20014657
6MOI GlobalSydney51-20011147
7Direct ITSydney51-2007730
8Marketing EYE Atlanta Melbourne SydneySydney11-50685
9Adtorque EdgeRozelle51-2006642
10Agent3 X PretzlSydney51-2006135
11Social Gardenn/a51-2006134
12The Marketing RoomAdelaide51-2005911
13Colony GroupFortitude Valley51-2005813
14Paradox MarketingAdelaide11-50458
15HeyrcgMelbourne11-50392
16Mesh Marketing PTY LTDSydney51-200355
17RombiiSydney51-200333
18Splendid GroupSydney51-2003120
19Shopa MarketingMelbourne51-200288
20XgrowthMelbourne11-502611
21Lead Expressn/a51-200264
22CrowdboxSydney51-2002520
23Cirrus Media AustraliaChatswood201-500256
24The Database DeptMillers Point51-200241
25RocketCremorne51-200223

Showing 25 of 1,795 B2B marketing agencies based in Australia

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B2B marketing agencies based in Australia at a glance

As of Aug 28, 2026
1-10Median size (employees)
SydneyLargest hub · 335 HQs
803Contacts with mobile numbers
26Emails re-verified in last 30 days

Companies by employee count

1-10
1,391
11-50
345
51-200
46
201-500
8
1,001-5,000
1

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 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; 26 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 agencies are there based in Australia?

There are 1,795 B2B marketing 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 B2B marketing agencies?

Sydney leads with 335 headquartered companies, followed by Melbourne (237) and Brisbane (143).

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 3,376 verified decision-maker contacts tracked across these 1,795 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.