Company lists · Data refreshed September 2026

Top 25 Iso certification consulting firms based in Australia

Name: Iso certification consulting firms based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 614 companies tracked

RevenueBase identified 614 iso certification consulting firms headquartered in Australia as of September 2026 and tracks 3,835 professional contacts across them, including 1,524 with verified work emails. Sydney is the largest hub.

This list covers iso certification consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review

614Companies

3,835Contacts tracked

1,524Verified emails

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The 25 largest iso certification consulting firms based in Australia

Ranked by team size

Top 25 of 614 iso certification consulting firms based in Australia, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso certification consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Applus Pacific	Partial evidence	Bibra Lake, AustraliaHQ checked Sep 28, 2026	10001+	154 contacts →
	Partial evidence “Applus+ is a worldwide leader in the testing, inspection, and certification sector.” Source: RevenueBase Database · checked Sep 28, 2026
2	Mckenzie Group Consulting	Partial evidence	Melbourne, AustraliaHQ checked Sep 28, 2026	51-200	138 contacts →
	Partial evidence “Backed by global leader Bureau Veritas, McKenzie Group Consulting is a team of 120+ talented, skilled and passionate professionals.” Source: RevenueBase Database · checked Sep 28, 2026
3	GQS	Indirect evidence	Osborne Park, AustraliaHQ checked Sep 28, 2026	51-200	110 contacts →
	Indirect evidence “Worldwide Provider of Inspection, Auditing & Quality Services GQS provides proven, effective and efficient product conformity and assurance services.” Source: RevenueBase Database · checked Sep 28, 2026
4	Philip Chun Building Compliance	Indirect evidence	Melbourne, AustraliaHQ checked Sep 28, 2026	51-200	86 contacts →
	Indirect evidence “Australia's most trusted and comprehensive building code, essential services management and accessibility consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
5	Buildcert	Partial evidence	Newcastle, AustraliaHQ checked Sep 28, 2026	51-200	85 contacts →
	Partial evidence “Buildcert is Australia’s largest private building certification company, delivering simple, fast and reliable certification for residential, commercial, industrial and subdivision…” Source: RevenueBase Database · checked Sep 28, 2026
6	Steve Watson & Partners	Partial evidence	Sydney, AustraliaHQ checked Sep 28, 2026	51-200	57 contacts →
	Partial evidence “Steve Watson & Partners is a well recognised and professional building code consulting and approvals service.” Source: RevenueBase Database · checked Sep 28, 2026
7	JLB	Indirect evidence	Hendon, AustraliaHQ checked Sep 28, 2026	11-50	48 contacts →
	Indirect evidence “JLB was established in Adelaide in 1988, after recognising a need to assist organisations, hands-on, implement best practice initiatives.” Source: RevenueBase Database · checked Sep 28, 2026
8	ATTAR	Indirect evidence	Welshpool, AustraliaHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence “ATTAR's independently accredited services apply expert, customized and cost-effective Risk Based Inspection technologies for accurate assessment of an asset's fitness for purpose…” Source: RevenueBase Database · checked Sep 28, 2026
9	Certis	Partial evidence	Milton, AustraliaHQ checked Sep 28, 2026	11-50	47 contacts →
	Partial evidence “Certis is a trusted leader in building certification and access consultancy, known for delivering smart, compliant, and cost-effective solutions that add real value to…” Source: RevenueBase Database · checked Sep 28, 2026
10	SGS Australia Pty. LTD	Indirect evidence	Perth, AustraliaHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
11	Global-Mark	Partial evidence	North Ryde, AustraliaHQ checked Sep 28, 2026	51-200	47 contacts →
	Partial evidence “Global-Mark is one of Australia's leading certification providers.” Source: RevenueBase Database · checked Sep 28, 2026
12	MBC Group	Indirect evidence	Manly, AustraliaHQ checked Sep 28, 2026	11-50	45 contacts →
	Indirect evidence “Our vision is to be a leading, multi-discipline consultancy in Australia, trusted by clients for our expertise, innovation, and commitment to excellence.” Source: RevenueBase Database · checked Sep 28, 2026
13	Tqcs International	Partial evidence	Adelaide, AustraliaHQ checked Sep 28, 2026	11-50	43 contacts →
	Partial evidence “TQCS International (TQCSI) commenced operations in mid-1995 and now operates out of 25+ offices with over certifications in 40+ countries throughout Australia, the Pacific, Asia…” Source: RevenueBase Database · checked Sep 28, 2026
14	Professional Certification Group	Partial evidence	Hendra, AustraliaHQ checked Sep 28, 2026	51-200	41 contacts →
	Partial evidence “Trusted Building Certification.” Source: RevenueBase Database · checked Sep 28, 2026
15	Helia EHS	Indirect evidence	South Melbourne, AustraliaHQ checked Sep 28, 2026	11-50	36 contacts →
	Indirect evidence “Helia EHS is a team of highly qualified environmental and safety consultants led by company directors with extensive experience in the OH & S and environmental sectors.” Source: RevenueBase Database · checked Sep 28, 2026
16	Control Union Australia	Partial evidence	Brisbane, AustraliaHQ checked Sep 28, 2026	51-200	31 contacts →
	Partial evidence “Welcome to Control Union Australia, your trusted partner in TIC (Testing, Inspection, and Certification) services across diverse industries.” Source: RevenueBase Database · checked Sep 28, 2026
17	Global Compliance Certification GCC	Partial evidence	North Sydney, AustraliaHQ checked Sep 28, 2026	51-200	30 contacts →
	Partial evidence “Global Compliance Certification (GCC) is a leading independent certification body based in Australia, Japan, Malaysia and the USA.” Source: RevenueBase Database · checked Sep 28, 2026
18	Global Greentag International PTY LTD	Partial evidence	Brisbane City, AustraliaHQ checked Sep 28, 2026	11-50	30 contacts →
	Partial evidence “Global GreenTag International offers global certification services for green, healthy and ethical products assessed through its advanced, scientifically based, product…” Source: RevenueBase Database · checked Sep 28, 2026
19	ACO Certification LTD	Partial evidence	Brisbane City, AustraliaHQ checked Sep 28, 2026	11-50	29 contacts →
	Partial evidence “Welcome to ACO Certification Ltd.” Source: RevenueBase Database · checked Sep 28, 2026
20	Sustainable Certification	Partial evidence	Melbourne, AustraliaHQ checked Sep 28, 2026	51-200	27 contacts →
	Partial evidence “We are a JAS-ANZ accredited conformity assessment body, with a team of experienced auditors guiding our clients through the certification process.” Source: RevenueBase Database · checked Sep 28, 2026
21	Samec PTY LTD	Indirect evidence	Maroubra, AustraliaHQ checked Sep 28, 2026	1-10	27 contacts →
	Indirect evidence “Streamline-Integrate-Create.” Source: RevenueBase Database · checked Sep 28, 2026
22	R4risk	Indirect evidence	South Melbourne, AustraliaHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “R4Risk is a specialist consultancy dedicated to process safety and risk management.” Source: RevenueBase Database · checked Sep 28, 2026
23	Action OHS Consulting	Partial evidence	Cremorne, AustraliaHQ checked Sep 28, 2026	1-10	25 contacts →
	Partial evidence “Action OHS Consulting Pty Ltd is a client focused occupational health and safety consultancy that supports businesses of all sizes to manage their OHS duties.” Source: RevenueBase Database · checked Sep 28, 2026
24	Group DLA	Indirect evidence	Sydney, AustraliaHQ checked Sep 28, 2026	11-50	24 contacts →
	Indirect evidence “Compliance, uncomplicated.” Source: RevenueBase Database · checked Sep 28, 2026
25	Chemical Safety International	Indirect evidence	Melbourne, AustraliaHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “Chemical Safety International’s vision is to create a safer world through responsible management of hazardous chemicals in the workplace and the environment.” Source: RevenueBase Database · checked Sep 28, 2026

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: iso certification consulting firms. 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 iso certification consulting firms.
Partial evidence: Its own public description names part of iso certification consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso certification consulting firms. 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 614 iso certification consulting firms based in Australia

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Iso certification consulting firms based in Australia at a glance

As of Sep 28, 2026

39.7%Verified-email coverage

6.2Average contacts per company

1-10Median size (employees)

13.2%Largest-city concentration · Sydney

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

480

11-50

101

51-200

201-500

1,001-5,000

10001+

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 614 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 iso certification consulting firms, 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 “iso certification consulting firms”. 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 iso certification consulting firms), 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 iso certification consulting firms, 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, 1,524 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 28, 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.

Iso certification consulting firms by metro

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 iso certification consulting firms, 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 iso certification consulting firms are there based in Australia?

RevenueBase identified 614 iso certification consulting firms 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?

Applus Pacific, headquartered in Bibra Lake, tops this list with the largest team on record.

Which city has the most iso certification consulting firms?

Sydney leads with 81 headquartered companies, followed by Melbourne (66) and Brisbane (52).

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 1,524 verified decision-maker contacts tracked across these 614 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 28, 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.