Company lists · Data refreshed September 2026
Top 25 Diagnostic testing companies based in Australia
RevenueBase identified 64 diagnostic testing companies headquartered in Australia as of September 2026 and tracks 18,863 professional contacts across them, including 5,724 with verified work emails. Melbourne is the largest hub.
This list covers diagnostic testing companies 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 19, 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.
The 25 largest diagnostic testing companies based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,234 contacts → | ||||
Partial evidence “A global leader in testing, ALS provides comprehensive testing solutions to clients in a wide range of industries around the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,123 contacts → | ||||
Indirect evidence “Sonic is a leading international healthcare company with specialist operations in pathology/laboratory medicine, radiology, general practice medicine and corporate medical…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 995 contacts → | ||||
Strong evidence “Sullivan Nicolaides Pathology is one of Australia’s largest and most respected diagnostic testing laboratories, regarded for our expertise in esoteric as much as routine testing.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 673 contacts → | ||||
Strong evidence “QML Pathology is one of Queensland and northern New South Wales leaders in medical diagnostic testing, providing a friendly and professional service to patients and the medical…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 625 contacts → | ||||
Indirect evidence “Dorevitch Pathology was founded by Dr Abe Dorevitch in August 1970.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 608 contacts → | ||||
Indirect evidence “One of Australia's leading healthcare companies, Healius (formerly trading as Primary Health Care) is synonymous with quality, affordable and accessible healthcare for all…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 593 contacts → | ||||
Partial evidence “Laverty Pathology is a leading provider of pathology and medical diagnostic services to doctors, specialists and hospitals throughout Australia.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 554 contacts → | ||||
Indirect evidence “4Cyte Pathology is an independent specialist medical laboratory and pathology provider based in ACT, NSW, QLD and VIC, Australia.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 301 contacts → | ||||
Partial evidence “At Western Diagnostic Pathology, we’re committed to supporting practitioners by delivering timely, accurate, and high quality diagnostic results.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 131 contacts → | ||||
Indirect evidence “360biolabs is Australia's most comprehensive bioanalytical and specialty laboratory offering science-driven expertise and laboratory services for Phase clinical studies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 76 contacts → | ||||
Partial evidence “Sonic Clinical Trials (SCT) is a subsidiary of Australian-owned Sonic Healthcare Limited, one of the world’s largest specialist medical diagnostics companies, employing more than…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 63 contacts → | ||||
Partial evidence “Scope Healthcare is a renowned leader in specialised diagnostics, dedicated to providing top-tier medical services in Victoria since 2007.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 53 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 42 contacts → | ||||
Indirect evidence “Medlab Pathology is one of Australia’s largest, privately owned independent pathology practices.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 38 contacts → | ||||
Indirect evidence “NutriPATH is a privately owned medical laboratory that was founded in 2011.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 29 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 28 contacts → | ||||
Partial evidence “Atomo Diagnostics is a medical device manufacturer headquartered in Sydney, Australia with offices in South Africa and the United Kingdom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 27 contacts → | ||||
Partial evidence “Rhythm Biosciences is an innovative Australian, publicly listed medical diagnostics company, with a focus on delivering simple, affordable blood tests for the accurate detection…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 contacts → | ||||
Indirect evidence “Saturn Pathology is a new Western Australian laboratory bringing compassion and care back into laboratory medicine.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 25 contacts → | ||||
Partial evidence “BCAL Diagnostics is an Australian-owned, ASX listed, biotechnology company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Partial evidence “WiSE Pathology is a leading provider of comprehensive diagnostic services across Australia, supporting over medical practitioners annually.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “HA TECH Australia's largest RT-PCR (NAAT) and Rapid Antigen Test (RATs) Kit Manufacturer.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Partial evidence “Minomic International Ltd, is a Sydney-based cancer diagnostics that has developed MiCheck® Prostate, an innovative blood test designed to assess the risk of clinically…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 13 contacts → | ||||
Partial evidence “Founded in 2007, Crea Laboratory Technologies works alongside you to provide a range of specialised laboratory testing instrumentation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Partial evidence “Vetpath Laboratory Services is a specialist veterinary laboratory in Western Australia, dedicated to providing our clients with the finest diagnostic service.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: diagnostic testing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names diagnostic testing companies.
- Partial evidence
- Its own public description names part of diagnostic testing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name diagnostic testing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 64 diagnostic testing companies based in Australia
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 5,724 reachable decision-makers.
Free signup · no credit card
Diagnostic testing companies based in Australia at a glance
As of Sep 19, 2026Companies by employee count
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 64 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 diagnostic testing companies, 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 “diagnostic testing companies”. 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 diagnostic testing companies), 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 diagnostic testing companies, 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, 5,724 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 19, 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.
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 diagnostic testing companies, 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 diagnostic testing companies are there based in Australia?
RevenueBase identified 64 diagnostic testing companies 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?
ALS, headquartered in Bowen Hills, tops this list with the largest team on record.
Which city has the most diagnostic testing companies?
Melbourne leads with 8 headquartered companies, followed by Sydney (8) and Brisbane (4).
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 5,724 verified decision-maker contacts tracked across these 64 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 64 diagnostic testing companies based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Diagnostic testing companies by geography
- Diagnostic testing companies based in Belo Horizonte, Brazil
- Diagnostic testing companies based in Sao Paulo, Brazil
- Diagnostic testing companies based in Bangalore, India
- Diagnostic testing companies based in Chennai, India
- Diagnostic testing companies based in Delhi, India
- Diagnostic testing companies based in Hyderabad, India
- Diagnostic testing companies based in Mumbai, India
- Diagnostic testing companies based in New Delhi, India
- Diagnostic testing companies based in Houston, United States
- Diagnostic testing companies based in Irvine, United States
- Diagnostic testing companies based in New York, United States
- Diagnostic testing companies based in San Diego, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Diagnostic testing companies based in Belo Horizonte, Brazil
- Diagnostic testing companies based in Sao Paulo, Brazil
- Diagnostic testing companies based in Bangalore, India
- Diagnostic testing companies based in Chennai, India
- Diagnostic testing companies based in Delhi, India
- Diagnostic testing companies based in Hyderabad, India