Company lists · Data refreshed September 2026

Top 25 Seed stage startups based in Australia

RevenueBase identified 102 seed stage startups headquartered in Australia as of September 2026 and tracks 463 professional contacts across them, including 133 with verified work emails. Sydney is the largest hub.

This list covers seed stage startups headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
102Companies
463Contacts tracked
133Verified emails
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The 25 largest seed stage startups based in Australia

Ranked by team size
Top 25 of 102 seed stage startups based in Australia, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to seed stage startups: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBrisbane, AustraliaHQ checked Sep 22, 202611-5028 contacts →

Indirect evidence

“TEN13 is a global VC fuelling founders with first cheques from $300k-$2m and support through the journey to scale.”

Source: RevenueBase Database · checked Sep 22, 2026
2Partial evidenceSydney, AustraliaHQ checked Sep 22, 202611-5023 contacts →

Partial evidence

“Investible is an early-stage venture capital firm backing the visionaries advancing humanity through technology.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceDarlinghurst, AustraliaHQ checked Sep 22, 202611-5017 contacts →

Indirect evidence

“Nakatomi backs and builds new ventures from day dot.”

Source: RevenueBase Database · checked Sep 22, 2026
4Strong evidenceMelbourne, AustraliaHQ checked Sep 22, 202611-5014 contacts →

Strong evidence

“More time, support, resources and know-how than any other seed-stage investor in Australia.”

Source: RevenueBase Database · checked Sep 22, 2026
5Strong evidenceMelbourne, AustraliaHQ checked Sep 22, 20261-1013 contacts →

Strong evidence

“Archangel is an early stage venture capital fund investing in Australian startups.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceNewstead, AustraliaHQ checked Sep 22, 20261-1011 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceBellevue Hill, AustraliaHQ checked Sep 22, 20261-1011 contacts →

Indirect evidence

“We're a start-up company that just happens to invest in other start-ups.”

Source: RevenueBase Database · checked Sep 22, 2026
8Partial evidenceGold Coast, AustraliaHQ checked Sep 22, 20261-1010 contacts →

Partial evidence

“Admiralty Capital Group is an Australia-based early-stage venture capital firm and fund manager dedicated to fuelling innovation and empowering next-generation leaders.”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidencePerth, AustraliaHQ checked Sep 22, 202611-5010 contacts →

Indirect evidence

“Plus Eight is home to Australia’s most ambitious founders, a launchpad for bold ideas backed by support, funding, and community.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceSydney, AustraliaHQ checked Sep 22, 20261-109 contacts →

Indirect evidence

“Carthona Capital is a hands-on, proactive, and thematic venture capital investor based in Sydney, Australia that invests globally.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceAdelaide, AustraliaHQ checked Sep 22, 202611-507 contacts →

Indirect evidence

“Our goal is to help people start the business of their dreams - to the benefit of customers and founders.”

Source: RevenueBase Database · checked Sep 22, 2026
12Strong evidenceSydney And Melbourne, AustraliaHQ checked Sep 22, 20261-107 contacts →

Strong evidence

“Galileo Ventures is a seed stage venture capital company based in Australia.”

Source: RevenueBase Database · checked Sep 22, 2026
13Indirect evidenceSouth Brisbane, AustraliaHQ checked Sep 22, 20261-107 contacts →

Indirect evidence

“Brisbane Strategy Ventures (SV) is a venture studio, located in South Bank, the cultural heart of Brisbane, Australia.”

Source: RevenueBase Database · checked Sep 22, 2026
14Partial evidenceBrisbane, AustraliaHQ checked Sep 22, 20261-105 contacts →

Partial evidence

“Clear Sand Ventures supports the incubation, commercialisation and scaling of high-conviction startups.”

Source: RevenueBase Database · checked Sep 22, 2026
15Partial evidenceBrisbane, AustraliaHQ checked Sep 22, 20261-105 contacts →

Partial evidence

“At Sprint we grow and mentor in the very best early-stage ideas and most importantly, their founders.”

Source: RevenueBase Database · checked Sep 22, 2026
16Partial evidenceSydney, AustraliaHQ checked Sep 22, 20261-104 contacts →

Partial evidence

“Side Stage Ventures is a founder-led venture capital fund that backs the top 1% of founders in Australia at the earliest stage.”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceYarraville, AustraliaHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“Brenteca is a small group of passionate investors and experienced business people that understand what it takes to grow and win in competitive environments.”

Source: RevenueBase Database · checked Sep 22, 2026
18Indirect evidenceSydney, AustraliaHQ checked Sep 22, 202611-504 contacts →

Indirect evidence

“At Dreamoro we help healthtech and digital media and entertainment tech founders fund, create and bring to market successful digital products that have a positive impact on our…”

Source: RevenueBase Database · checked Sep 22, 2026
19Partial evidenceNewstead, AustraliaHQ checked Sep 22, 20261-104 contacts →

Partial evidence

“ACAC Innovation is a boutique angel investment company providing mentoring and support to game-changing startups.”

Source: RevenueBase Database · checked Sep 22, 2026
20Strong evidenceAdelaide, AustraliaHQ checked Sep 22, 202611-504 contacts →

Strong evidence

Seed vc fund, funded and managed by entrepreneurs who have built, run, and invested in early-stage tech.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidencePerth, AustraliaHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“Boorloo Capital is a group of committed and skilled business people investing in entrepreneurial businesses.”

Source: RevenueBase Database · checked Sep 22, 2026
22Indirect evidenceFortitude Valley, AustraliaHQ checked Sep 22, 20261-103 contacts →

Indirect evidence

“Black Sheep Capital is making its mark as a preferred investment capital provider due to our 'Everyone Wins' approach.”

Source: RevenueBase Database · checked Sep 22, 2026
23Partial evidencePerth, AustraliaHQ checked Sep 22, 20261-102 contacts →

Partial evidence

“We help startups grow.”

Source: RevenueBase Database · checked Sep 22, 2026
24Partial evidenceCremorne, AustraliaHQ checked Sep 22, 20261-102 contacts →

Partial evidence

“We invest EARLY and with CONVICTION We will invest in Pre-seed and Seed rounds, with the option to lead / co invest in the Series A and beyond.”

Source: RevenueBase Database · checked Sep 22, 2026
25Strong evidenceBrisbane, AustraliaHQ checked Sep 22, 20261-102 contacts →

Strong evidence

Startup Onramp is a training and mentoring program that gives early stage founders of high-growth tech startups the essential skills to launch and grow their company.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 102 seed stage startups based in Australia

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Seed stage startups based in Australia at a glance

As of Sep 22, 2026
28.7%Verified-email coverage
4.5Average contacts per company
1-10Median size (employees)
29.4%Largest-city concentration · Sydney
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
80
11-50
17
51-200
3
201-500
1
501-1,000
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 102 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among seed stage startups, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Australia whose own description of what they do matches “seed stage startups”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names seed stage startups), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among seed stage startups, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 133 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Seed stage startups by metro

  • Seed stage startups in Sydney30

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names seed stage startups, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many seed stage startups are there based in Australia?

RevenueBase identified 102 seed stage startups headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Ten13, headquartered in Brisbane, tops this list with the largest team on record.

Which city has the most seed stage startups?

Sydney leads with 30 headquartered companies, followed by Melbourne (20) and Perth (9).

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 133 verified decision-maker contacts tracked across these 102 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.