Company lists · Data verified August 2026

Top 25 B2B SEO agencies based in Sydney, Australia

Name: B2B SEO 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 88 companies tracked

There are 88 B2B SEO agencies headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 391 professional contacts across them, including 73 with verified work emails and 22 with mobile numbers. Melbourne is the largest hub.

This list covers B2B SEO 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.

88Companies

391Contacts tracked

73Verified emails

22Mobile numbers

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The 25 largest B2B SEO agencies based in Sydney, Australia

Ranked by team size

Top 25 of 88 B2B SEO 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	Crowdbox	Sydney	51-200	25	20
2	Monday Digital	Sydney	11-50	22	2
3	Think Local Search	Sydney	11-50	19	4
4	Marketome	Sydney	11-50	17	4
5	Search IT Local	Sydney	11-50	13	7
6	Human Digital	Sydney	11-50	13	5
7	Search Rescue	Sydney	1-10	11	6
8	Corient	Sydney	1-10	11	2
9	Uppercut Digital	Sydney	1-10	8	3
10	Digital Recipe	Sydney	1-10	8	2
11	Digital Muscle SEO Agency	Sydney	11-50	7	1
12	Fullsteam Consulting	Sydney	1-10	5	2
13	Four Dots Australia	Sydney	1-10	5	1
14	SEO Growth	Sydney	1-10	4	1
15	Brandtail	Sydney	1-10	3	2
16	Divergent Media	Sydney	1-10	3	1
17	Leftfield	Sydney	1-10	2	2
18	Builtsearch	Sydney	1-10	2	1
19	Marketing Juice	Sydney	11-50	1	1
20	Oceansem	Sydney	11-50	1	1
21	Webeagles PTY LTD	Sydney	1-10	1	1
22	Quantum Profit Growth	Sydney	1-10	1	1
23	Bruce Clay Australia	Sydney	1-10	1	1
24	Found Online	Sydney	1-10	1	1
25	Websites For Small And Medium Businesses	Sydney	1-10	1	1

Showing 25 of 88 B2B SEO agencies based in Sydney, Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 73 reachable decision-makers.

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B2B SEO agencies based in Sydney, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

MelbourneLargest hub · 90 HQs

22Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

B2B SEO agencies by metro in Australia

Metro	Companies
B2B SEO agencies in Melbourne	90
B2B SEO agencies in Sydney	88
B2B SEO agencies in Brisbane	33
B2B SEO agencies in Perth	25
B2B SEO agencies in Gold Coast	21
B2B SEO agencies in Adelaide	13
B2B SEO agencies in Sunshine Coast	7

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 SEO 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; 0 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 SEO agencies are there based in Sydney, Australia?

There are 88 B2B SEO agencies headquartered in Sydney, Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most B2B SEO agencies?

Melbourne leads with 90 headquartered companies, followed by Sydney (88) and Brisbane (33).

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 73 verified decision-maker contacts tracked across these 88 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.