Company lists · Data verified August 2026

Top 25 Ad tech software companies based in Australia

Name: Ad tech software companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 97 companies tracked

There are 97 ad tech software companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 3,520 professional contacts across them, including 710 with verified work emails and 673 with mobile numbers. Sydney is the largest hub.

This list covers ad tech software companies 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.

97Companies

3,520Contacts tracked

710Verified emails

673Mobile numbers

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The 25 largest ad tech software companies based in Australia

Ranked by team size

Top 25 of 97 ad tech software companies 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	KARGO	Melbourne	201-500	832	447
2	BIG ADS	Coolangatta	n/a	409	19
3	Adcore TSX Adco	St. Kilda	51-200	104	75
4	Mandoe Media	Sydney	51-200	66	43
5	Adslot	Surry Hills	51-200	45	19
6	Fivestones	Surry Hills	11-50	44	7
7	Unruly	Surrey Hills Syndey	501-1,000	39	9
8	OHM Agency	Sydney	51-200	23	5
9	Blend AI	Sydney	11-50	17	7
10	Kopā Media	Melbourne	11-50	17	5
11	Playground XYZ	Brisbane	51-200	16	1
12	Dynamic Creative PTY LTD	Adelaide	11-50	12	1
13	Sesimi	Melbourne	11-50	11	4
14	Adveritas	Bentley	11-50	10	2
15	Lexlab	Collingwood	11-50	9	7
16	Digital Goliath	Sydney	1-10	9	3
17	Media Exchange	Southbank	1-10	8	4
18	Cost Center	Brisbane	11-50	8	3
19	Intentional	Collingwood	11-50	8	3
20	caasie.co	Murrumba Downs	11-50	6	5
21	Day8 Technology	Mosman	11-50	6	2
22	A&a Digital Services PTY LTD	Sydney	1-10	5	4
23	TV HUB	Sydney	1-10	5	2
24	Thundercloud	Sydney	1-10	4	3
25	Spike Digital	Melbourne	1-10	4	3

Showing 25 of 97 ad tech software companies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 710 reachable decision-makers.

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Ad tech software companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 35 HQs

673Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Ad tech software companies by metro

Metro	Companies
Ad tech software companies in Sydney	35
Ad tech software companies in Brisbane	10
Ad tech software companies in Melbourne	10
Ad tech software companies in Surry Hills	4
Ad tech software companies in Collingwood	3
Ad tech software companies in North Sydney	2
Ad tech software companies in Perth	2

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 “ad tech software companies”, 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; 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 ad tech software companies are there based in Australia?

There are 97 ad tech software companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

KARGO, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Sydney leads with 35 headquartered companies, followed by Brisbane (10) and Melbourne (10).

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 710 verified decision-maker contacts tracked across these 97 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.