Company lists · Data refreshed September 2026
Top 22 Due diligence firms based in Australia
RevenueBase identified 49 company matches for due diligence firms associated with Australia as of September 2026 and tracks 262 professional contacts across them, including 83 with verified work emails. Sydney is the largest hub.
This list covers company matches for due diligence firms associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 22 largest due diligence firms based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 59 contacts → | ||||
Exact match “For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 41 contacts → | ||||
Exact match “Barringtons delivers customised business solutions guided by our philosophy: Best People.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 15 contacts → | ||||
Exact match “Wise McGrath is a leading commercial services company which specialises in delivering an innovative range of integrated support services across industries where compliance and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 11 contacts → | ||||
Exact match “At CurbyMcLintock, we utilise the skills of our multidisciplinary team of investigators, forensic technologists, forensic accountants and data analysts to help our clients find a…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match “PeopleCheck is a team of background checking professionals that provide independent, premium, customised background checking solutions for clients across various industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match “Red Wagon Workplace Solutions is a practitioner-led advisory firm supporting organisations through complex HR, industrial relations and workplace matters.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 8 contacts → | ||||
Exact match “InterCheck Australia provides an extensive range of employment background checks and candidate screening services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 7 contacts → | ||||
Exact match “CHS Investigations is an established corporate investigation company operating nationally with our head office in Victoria.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “The Makesure Group offers Checking, Compliance and Identity services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Our Criminal Screening Services combine the very best in investigative screening resources with specialised vetting processes and system security to limit the risk to your…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “At the core of our mission is the simplification of complex compliance procedures.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “Precise Investigation is a leading Private Investigation firm that has faithfully served Australian businesses, families and individuals for over 30 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Nemesis Consultancy Group, founded in 2008, is an Australian-owned firm specialising in workplace and specialist investigations, surveillance, online investigations and hostile…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “IMS is a global investigations consulting & technology services company committed to robust investigation services and to helping clients to develop their investigative…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “For discerning clients requiring comprehensive solutions, Acclivity Lexidra stands apart.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Verifact Investigations specialises in commercial investigations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “About Us Brosnans Investigation Services is a highly successful corporate investigations firm with more than 30 years experience.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “We provide pre-employment screening services, personnel risk mitigation services, fraud investigation and asset tracing.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Founded in 2014, MerloConsulting offers clients access to Big-4 experience at a fraction of the cost.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Lighthouse Ethics & Risk delivers certainty, consistency, and credibility to the management of security, governance, ethics, and compliance risk in your enterprise.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “CPLM Investigations are known for getting the job done.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “The Tell undertakes independent, ethical investigations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “due diligence firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 22 of 49 due diligence firms based in Australia
See the full list, filter by size, metro and specialty, and access 83 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Due diligence firms 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 49 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Australia whose business descriptions match “due diligence firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 83 professional contacts with verified work emails across the full matched dataset. 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.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “due diligence firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many due diligence firms are there based in Australia?
RevenueBase identified 49 company matches for due diligence firms associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
LKA Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most due diligence firms?
Sydney leads with 9 company records, followed by Melbourne (7) and Brisbane (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 83 professional contacts with verified work emails tracked across these 49 companies; direct dials are available where recorded.
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 49 due diligence firms based in Australia. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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
Company intelligence · public preview
Top 22 due diligence firms based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 49 matching company records for due diligence firms based in Australia, with 262 tracked contacts and 83 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 due diligence firms based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  LKA Grouplkagroup.com.auHQ: Carlton, AustraliaReported employees: 51-200 | Carlton, Australia | 51-200 | Exact match | 59 contacts → |
“For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Barrington Group Australiabarringtongroup.com.auHQ: Norwest, AustraliaReported employees: 51-200 | Norwest, Australia | 51-200 | Exact match | 41 contacts → |
“Barringtons delivers customised business solutions guided by our philosophy: Best People.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Wise Mcgrathwisemcgrath.com.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 15 contacts → |
“Wise McGrath is a leading commercial services company which specialises in delivering an innovative range of integrated support services across industries where compliance and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Curbymclintock PTY Limitedcurbymclintock.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 11 contacts → |
“At CurbyMcLintock, we utilise the skills of our multidisciplinary team of investigators, forensic technologists, forensic accountants and data analysts to help our clients find a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Peoplecheck PTY LTDpeoplecheck.com.auHQ: Boolaroo, AustraliaReported employees: 11-50 | Boolaroo, Australia | 11-50 | Exact match | 10 contacts → |
“PeopleCheck is a team of background checking professionals that provide independent, premium, customised background checking solutions for clients across various industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | RED Wagon Workplace Solutionsredwagonsolutions.com.au HQ: Prospect, AustraliaReported employees: 1-10 | Prospect, Australia | 1-10 | Exact match | 8 contacts → |
“Red Wagon Workplace Solutions is a practitioner-led advisory firm supporting organisations through complex HR, industrial relations and workplace matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Intercheck Australiaintercheck.com.auHQ: Melbounre, AustraliaReported employees: 11-50 | Melbounre, Australia | 11-50 | Exact match | 8 contacts → |
“InterCheck Australia provides an extensive range of employment background checks and candidate screening services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | CHS Investigationschsinvestigations.com HQ: Ringwood, AustraliaReported employees: 1-10 | Ringwood, Australia | 1-10 | Exact match | 7 contacts → |
“CHS Investigations is an established corporate investigation company operating nationally with our head office in Victoria.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  The Makesure Groupmakesuregroup.comHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 6 contacts → |
“The Makesure Group offers Checking, Compliance and Identity services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AIS International Criminal Screening Groupaisintl.com.auHQ: Surfers Paradise, AustraliaReported employees: 11-50 | Surfers Paradise, Australia | 11-50 | Exact match | 5 contacts → |
“Our Criminal Screening Services combine the very best in investigative screening resources with specialised vetting processes and system security to limit the risk to your…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Know Your Solutions PTY LTDknowyoursolutions.comHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“At the core of our mission is the simplification of complex compliance procedures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precise Investigation Corporate Risk & Investigation Servicespreciseinvestigation.com HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 4 contacts → |
“Precise Investigation is a leading Private Investigation firm that has faithfully served Australian businesses, families and individuals for over 30 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nemesis Consultancy Groupnemesisconsultancy.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 4 contacts → |
“Nemesis Consultancy Group, founded in 2008, is an Australian-owned firm specialising in workplace and specialist investigations, surveillance, online investigations and hostile…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Interview Management Solutionsinterviewmanagementsolutions.com HQ: Balgowlah, AustraliaReported employees: 1-10 | Balgowlah, Australia | 1-10 | Exact match | 3 contacts → |
“IMS is a global investigations consulting & technology services company committed to robust investigation services and to helping clients to develop their investigative…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Acclivity Lexidraacclivity.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“For discerning clients requiring comprehensive solutions, Acclivity Lexidra stands apart.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Verifact Investigationsverifact.com.auHQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 2 contacts → |
“Verifact Investigations specialises in commercial investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Brosnans Investigation Servicesbrosnans.com.auHQ: East Sydney, AustraliaReported employees: 11-50 | East Sydney, Australia | 11-50 | Exact match | 2 contacts → |
“About Us Brosnans Investigation Services is a highly successful corporate investigations firm with more than 30 years experience.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Orna Internationalorna.com.auHQ: Perth, AustraliaReported employees: 1-10 | Perth, Australia | 1-10 | Exact match | 2 contacts → |
“We provide pre-employment screening services, personnel risk mitigation services, fraud investigation and asset tracing.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Merloadvisorymerloconsulting.com.auHQ: Melbourne/ballarat/geelong/bendigo, AustraliaReported employees: 1-10 | Melbourne/ballarat/geelong/bendigo, Australia | 1-10 | Exact match | 1 contacts → |
“Founded in 2014, MerloConsulting offers clients access to Big-4 experience at a fraction of the cost.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lighthouse Ethics & Risklighthouserisk.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“Lighthouse Ethics & Risk delivers certainty, consistency, and credibility to the management of security, governance, ethics, and compliance risk in your enterprise.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cplm Investigationscplminvestigations.com.auHQ: Kew, AustraliaReported employees: 1-10 | Kew, Australia | 1-10 | Exact match | 1 contacts → |
“CPLM Investigations are known for getting the job done.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Tellthetell.com.au HQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 1 contacts → |
“The Tell undertakes independent, ethical investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 49 company matches
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Due diligence firms: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
46 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 49 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for due diligence firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many due diligence firms did RevenueBase find based in Australia?
The saved snapshot records 49 matching company records, 262 tracked contacts and 83 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Due diligence firms by geography
- Due diligence firms based in Brazil
- Due diligence firms based in Canada
- Due diligence firms based in France
- Due diligence firms based in India
- Due diligence firms based in Italy
- Due diligence firms based in the Netherlands
- Due diligence firms based in South Africa
- Due diligence firms based in Spain
- Due diligence firms based in the United Kingdom
- Due diligence firms based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 22 due diligence firms based in Australia. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 22 due diligence firms based in Australia
RevenueBase records 49 matching company records for due diligence firms based in Australia, with 262 tracked contacts and 83 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 due diligence firms based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | LKA Grouplkagroup.com.au HQ: Carlton, AustraliaReported employees: 51-200 | Carlton, Australia | 51-200 | Exact match | 59 contacts → |
“For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Barrington Group Australiabarringtongroup.com.au HQ: Norwest, AustraliaReported employees: 51-200 | Norwest, Australia | 51-200 | Exact match | 41 contacts → |
“Barringtons delivers customised business solutions guided by our philosophy: Best People.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Wise Mcgrathwisemcgrath.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 15 contacts → |
“Wise McGrath is a leading commercial services company which specialises in delivering an innovative range of integrated support services across industries where compliance and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Curbymclintock PTY Limitedcurbymclintock.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 11 contacts → |
“At CurbyMcLintock, we utilise the skills of our multidisciplinary team of investigators, forensic technologists, forensic accountants and data analysts to help our clients find a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Peoplecheck PTY LTDpeoplecheck.com.au HQ: Boolaroo, AustraliaReported employees: 11-50 | Boolaroo, Australia | 11-50 | Exact match | 10 contacts → |
“PeopleCheck is a team of background checking professionals that provide independent, premium, customised background checking solutions for clients across various industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | RED Wagon Workplace Solutionsredwagonsolutions.com.au HQ: Prospect, AustraliaReported employees: 1-10 | Prospect, Australia | 1-10 | Exact match | 8 contacts → |
“Red Wagon Workplace Solutions is a practitioner-led advisory firm supporting organisations through complex HR, industrial relations and workplace matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Intercheck Australiaintercheck.com.au HQ: Melbounre, AustraliaReported employees: 11-50 | Melbounre, Australia | 11-50 | Exact match | 8 contacts → |
“InterCheck Australia provides an extensive range of employment background checks and candidate screening services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | CHS Investigationschsinvestigations.com HQ: Ringwood, AustraliaReported employees: 1-10 | Ringwood, Australia | 1-10 | Exact match | 7 contacts → |
“CHS Investigations is an established corporate investigation company operating nationally with our head office in Victoria.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Makesure Groupmakesuregroup.com HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 6 contacts → |
“The Makesure Group offers Checking, Compliance and Identity services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AIS International Criminal Screening Groupaisintl.com.au HQ: Surfers Paradise, AustraliaReported employees: 11-50 | Surfers Paradise, Australia | 11-50 | Exact match | 5 contacts → |
“Our Criminal Screening Services combine the very best in investigative screening resources with specialised vetting processes and system security to limit the risk to your…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Know Your Solutions PTY LTDknowyoursolutions.com HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 5 contacts → |
“At the core of our mission is the simplification of complex compliance procedures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precise Investigation Corporate Risk & Investigation Servicespreciseinvestigation.com HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 4 contacts → |
“Precise Investigation is a leading Private Investigation firm that has faithfully served Australian businesses, families and individuals for over 30 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nemesis Consultancy Groupnemesisconsultancy.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 4 contacts → |
“Nemesis Consultancy Group, founded in 2008, is an Australian-owned firm specialising in workplace and specialist investigations, surveillance, online investigations and hostile…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Interview Management Solutionsinterviewmanagementsolutions.com HQ: Balgowlah, AustraliaReported employees: 1-10 | Balgowlah, Australia | 1-10 | Exact match | 3 contacts → |
“IMS is a global investigations consulting & technology services company committed to robust investigation services and to helping clients to develop their investigative…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Acclivity Lexidraacclivity.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“For discerning clients requiring comprehensive solutions, Acclivity Lexidra stands apart.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Verifact Investigationsverifact.com.au HQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 2 contacts → |
“Verifact Investigations specialises in commercial investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Brosnans Investigation Servicesbrosnans.com.au HQ: East Sydney, AustraliaReported employees: 11-50 | East Sydney, Australia | 11-50 | Exact match | 2 contacts → |
“About Us Brosnans Investigation Services is a highly successful corporate investigations firm with more than 30 years experience.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Orna Internationalorna.com.au HQ: Perth, AustraliaReported employees: 1-10 | Perth, Australia | 1-10 | Exact match | 2 contacts → |
“We provide pre-employment screening services, personnel risk mitigation services, fraud investigation and asset tracing.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Merloadvisorymerloconsulting.com.au HQ: Melbourne/ballarat/geelong/bendigo, AustraliaReported employees: 1-10 | Melbourne/ballarat/geelong/bendigo, Australia | 1-10 | Exact match | 1 contacts → |
“Founded in 2014, MerloConsulting offers clients access to Big-4 experience at a fraction of the cost.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lighthouse Ethics & Risklighthouserisk.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“Lighthouse Ethics & Risk delivers certainty, consistency, and credibility to the management of security, governance, ethics, and compliance risk in your enterprise.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cplm Investigationscplminvestigations.com.au HQ: Kew, AustraliaReported employees: 1-10 | Kew, Australia | 1-10 | Exact match | 1 contacts → |
“CPLM Investigations are known for getting the job done.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Tellthetell.com.au HQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 1 contacts → |
“The Tell undertakes independent, ethical investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 49 company matches
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Due diligence firms: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
46 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 49 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for due diligence firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many due diligence firms did RevenueBase find based in Australia?
The saved snapshot records 49 matching company records, 262 tracked contacts and 83 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 22 due diligence firms based in Australia. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗