Company lists · Data refreshed September 2026
Top 25 Big 5 consulting firms based in Australia
RevenueBase identified 1,629 company matches for big 5 consulting firms associated with Australia as of September 2026 and tracks 14,081 professional contacts across them, including 6,671 with verified work emails and 1,039 with mobile numbers. Sydney is the largest hub.
This list covers company matches for big 5 consulting 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 23, 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 25 largest big 5 consulting firms based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 801 contacts → | ||||
Exact match “Atturra (ASX: ATA) is one of Australia's leading advisory and IT solutions providers, focused on providing end-to-end transformation services to its clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 2 | 706 contacts → | ||||
Exact match “Nous Group is an international management consultancy working with clients across Australasia, the United Kingdom and North America.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 3 | 647 contacts → | ||||
Exact match “Welcome to Logistics Executive Group - The hub of your global supply chain.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 4 | 601 contacts → | ||||
Exact match “KordaMentha is a proudly independent, founder owned and led advisory firm with a reputation for getting the job done.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 5 | 425 contacts → | ||||
Exact match “Challengers at heart, we are pragmatic explorers seeking to uncover what could be, so it can be.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 6 | 305 contacts → | ||||
Exact match “As a proudly Australian company, over 30 years Davidson has evolved into a leader in enhancing workplace performance.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 7 | 265 contacts → | ||||
Exact match “Johnstaff is an independent Australian and New Zealand-owned consulting practice that specialises in client-side Advisory and Project Management services for the planning and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 8 | 253 contacts → | ||||
Exact match “We are a trusted partner of tech start-ups through to large scale organisations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 9 | 235 contacts → | ||||
Exact match “At Terra Firma, we understand that success is all about sustaining long-term relationships.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 10 | 234 contacts → | ||||
Exact match “Helping organisations achieve more with technology.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 11 | 172 contacts → | ||||
Exact match “Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 12 | 172 contacts → | ||||
Exact match “At Programmed Professionals, we are committed to delivering outstanding results for you.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 13 | 154 contacts → | ||||
Exact match “CPT Global is your independent partner for achieving peak IT performance.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 14 | 125 contacts → | ||||
Exact match “Providence Consulting is an Australian, veteran-initiated professional services firm, established in Canberra in 2005.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 15 | 124 contacts → | ||||
Exact match “Callida Consulting are a Canberra-based consulting firm, dedicated to our people and the provision of professional services across a range of service offerings.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 16 | 114 contacts → | ||||
Exact match “Bendelta is Australia’s most awarded leadership and organisational design management consultancy - transforming individuals, teams and organisations to unlock human potential and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 17 | 110 contacts → | ||||
Exact match “As a specialist management consulting firm, we pride ourselves on being your trusted strategic advisors and proven delivery partners, and we are renowned for solving our public…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 18 | 108 contacts → | ||||
Exact match “We are a proud Member of the Global Technology Industry Association -GITA OUR SERVICES Avocado helps clients deliver with certainty on their complex IT change, with technology…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 19 | 106 contacts → | ||||
Exact match “What if the role of an organisation was solely for the purpose of helping you change what you did so that you didn't get what you already had?” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 20 | 96 contacts → | ||||
Exact match “At Sensei we partner with you to help improve the way you work.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 21 | 85 contacts → | ||||
Exact match “Founded in 2018, Xenco is a multi-disciplined, specialist service group that delivers executive and operational level support to businesses seeking significant improvements in…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 22 | 84 contacts → | ||||
Exact match “EY-Parthenon Strategy, formerly EY Port Jackson Partners, is a leading Australian strategy consulting practice trusted by CEOs, Boards and senior leaders to advise on the most…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 23 | 81 contacts → | ||||
Exact match “Founded in 2003, Visagio is a global platform that helps organisations achieve their goals.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 24 | 76 contacts → | ||||
Exact match “Parbery is a values-driven professional advisory firm and an Australian-owned SME, with a presence in ACT, QLD, SA and VIC.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 25 | 75 contacts → | ||||
Exact match “At Business Aspect, our promise to our clients is to always look at things from a ‘fresh perspective’ and to ensure our engagement with you is based on a clear understanding of…” Recorded in the RevenueBase company graph · Sep 23, 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 “big 5 consulting 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 25 of 1,629 big 5 consulting firms based in Australia
See the full list, filter by size, metro and specialty, and access 6,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Big 5 consulting firms based in Australia at a glance
As of Sep 23, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 74.0dHow 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 “big 5 consulting 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 6,671 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 23, 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.
Big 5 consulting firms by metro
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 “big 5 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big 5 consulting firms are there based in Australia?
RevenueBase identified 1,629 company matches for big 5 consulting 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?
Atturra tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most big 5 consulting firms?
Sydney leads with 368 company records, followed by Melbourne (318) and Brisbane (141).
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 6,671 professional contacts with verified work emails tracked across these 1,629 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 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,629 big 5 consulting firms based in Australia. Start with a free account, no credit card.
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Browse the directory
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big 5 consulting firms based in the United States
- Big 5 consulting firms based in Brazil
- Big 5 consulting firms based in the United Kingdom
- Big 5 consulting firms based in France
- Big 5 consulting firms based in Canada
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Company intelligence · public preview
Top 25 big 5 consulting 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 1,629 matching company records for big 5 consulting firms based in Australia, with 14,081 tracked contacts and 6,671 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 23, 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 25 big 5 consulting 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 |  Atturraatturra.comHQ: Sydney, AustraliaReported employees: 1,001-5,000 | Sydney, Australia | 1,001-5,000 | Exact match | 801 contacts → |
“Atturra (ASX: ATA) is one of Australia's leading advisory and IT solutions providers, focused on providing end-to-end transformation services to its clients.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nous Groupnousgroup.comHQ: Docklands, AustraliaReported employees: 501-1,000 | Docklands, Australia | 501-1,000 | Exact match | 706 contacts → |
“Nous Group is an international management consultancy working with clients across Australasia, the United Kingdom and North America.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Logistics Executive Grouplogisticsexecutive.comHQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 647 contacts → |
“Welcome to Logistics Executive Group - The hub of your global supply chain.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kordamenthakordamentha.comHQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 601 contacts → |
“KordaMentha is a proudly independent, founder owned and led advisory firm with a reputation for getting the job done.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Synergy Groupsynergygroup.net.auHQ: Canberra, AustraliaReported employees: 201-500 | Canberra, Australia | 201-500 | Exact match | 425 contacts → |
“Challengers at heart, we are pragmatic explorers seeking to uncover what could be, so it can be.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Davidsondavidsonwp.comHQ: Brisbane City, AustraliaReported employees: 501-1,000 | Brisbane City, Australia | 501-1,000 | Exact match | 305 contacts → |
“As a proudly Australian company, over 30 years Davidson has evolved into a leader in enhancing workplace performance.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Johnstaffjohnstaff.com.auHQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 265 contacts → |
“Johnstaff is an independent Australian and New Zealand-owned consulting practice that specialises in client-side Advisory and Project Management services for the planning and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Finityfinity.com.auHQ: The Rocks, AustraliaReported employees: 201-500 | The Rocks, Australia | 201-500 | Exact match | 253 contacts → |
“We are a trusted partner of tech start-ups through to large scale organisations.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Terra Firma Business Consultingterrafirma.com.auHQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 235 contacts → |
“At Terra Firma, we understand that success is all about sustaining long-term relationships.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Professional Advantagepa.com.auHQ: 124 Walker Street, AustraliaReported employees: 201-500 | 124 Walker Street, Australia | 201-500 | Exact match | 234 contacts → |
“Helping organisations achieve more with technology.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Protiviti Australiaprotiviti.comHQ: Melbourne, AustraliaReported employees: 5,001-10,000 | Melbourne, Australia | 5,001-10,000 | Exact match | 172 contacts → |
“Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Programmed Professionalsprogrammed.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 172 contacts → |
“At Programmed Professionals, we are committed to delivering outstanding results for you.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  CPT Globalcptglobal.comHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 154 contacts → |
“CPT Global is your independent partner for achieving peak IT performance.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Providence Consultingprovidenceconsulting.com.auHQ: Barton, AustraliaReported employees: 51-200 | Barton, Australia | 51-200 | Exact match | 125 contacts → |
“Providence Consulting is an Australian, veteran-initiated professional services firm, established in Canberra in 2005.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Callidacallida.com.auHQ: Forrest, AustraliaReported employees: 51-200 | Forrest, Australia | 51-200 | Exact match | 124 contacts → |
“Callida Consulting are a Canberra-based consulting firm, dedicated to our people and the provision of professional services across a range of service offerings.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Bendeltabendelta.comHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 114 contacts → |
“Bendelta is Australia’s most awarded leadership and organisational design management consultancy - transforming individuals, teams and organisations to unlock human potential and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Projects Assuredprojectsassured.com.auHQ: Braddon, AustraliaReported employees: 51-200 | Braddon, Australia | 51-200 | Exact match | 110 contacts → |
“As a specialist management consulting firm, we pride ourselves on being your trusted strategic advisors and proven delivery partners, and we are renowned for solving our public…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Avocado Consultingavocado.com.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 108 contacts → |
“We are a proud Member of the Global Technology Industry Association -GITA OUR SERVICES Avocado helps clients deliver with certainty on their complex IT change, with technology…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  GLASSglassandco.com.auHQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 106 contacts → |
“What if the role of an organisation was solely for the purpose of helping you change what you did so that you didn't get what you already had?” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Senseisenseiprojectsolutions.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 96 contacts → |
“At Sensei we partner with you to help improve the way you work.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Xenco Servicesxencoservices.comHQ: Brisbane City, AustraliaReported employees: 51-200 | Brisbane City, Australia | 51-200 | Exact match | 85 contacts → |
“Founded in 2018, Xenco is a multi-disciplined, specialist service group that delivers executive and operational level support to businesses seeking significant improvements in…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ey-Parthenon Strategyeyportjacksonpartners.comHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 84 contacts → |
“EY-Parthenon Strategy, formerly EY Port Jackson Partners, is a leading Australian strategy consulting practice trusted by CEOs, Boards and senior leaders to advise on the most…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Visagio Australiavisagio.comHQ: Perth, AustraliaReported employees: 51-200 | Perth, Australia | 51-200 | Exact match | 81 contacts → |
“Founded in 2003, Visagio is a global platform that helps organisations achieve their goals.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Parberyparbery.com.auHQ: Fyshwick, AustraliaReported employees: 51-200 | Fyshwick, Australia | 51-200 | Exact match | 76 contacts → |
“Parbery is a values-driven professional advisory firm and an Australian-owned SME, with a presence in ACT, QLD, SA and VIC.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Business Aspectbusinessaspect.com.auHQ: Toowong, AustraliaReported employees: 51-200 | Toowong, Australia | 51-200 | Exact match | 75 contacts → |
“At Business Aspect, our promise to our clients is to always look at things from a ‘fresh perspective’ and to ensure our engagement with you is based on a clear understanding of…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,629 company matches
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Big 5 consulting firms: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,628 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 74.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 23, 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 ↗
Big 5 consulting firms by metro
Questions about this company list
What does Exact match mean for big 5 consulting 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 big 5 consulting firms did RevenueBase find based in Australia?
The saved snapshot records 1,629 matching company records, 14,081 tracked contacts and 6,671 verified emails. The public preview displays 25 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 23, 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
Big 5 consulting firms by geography
- Big 5 consulting firms based in the United States
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- Big 5 consulting firms based in the United Kingdom
- Big 5 consulting firms based in France
- Big 5 consulting firms based in Canada
- Big 5 consulting firms based in Germany
- Big 5 consulting firms based in Mexico
- Big 5 consulting firms based in Spain
- Big 5 consulting firms based in the Netherlands
- Big 5 consulting firms based in Italy
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 big 5 consulting firms based in Australia. Snapshot: September 23, 2026. https://revenuebase.ai/companies/big-5-consulting-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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big 5 consulting firms based in the United States
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- Big 5 consulting firms based in the United Kingdom
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Company intelligence · public preview
Top 25 big 5 consulting firms based in Australia
RevenueBase records 1,629 matching company records for big 5 consulting firms based in Australia, with 14,081 tracked contacts and 6,671 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 23, 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 25 big 5 consulting 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 | Atturraatturra.com HQ: Sydney, AustraliaReported employees: 1,001-5,000 | Sydney, Australia | 1,001-5,000 | Exact match | 801 contacts → |
“Atturra (ASX: ATA) is one of Australia's leading advisory and IT solutions providers, focused on providing end-to-end transformation services to its clients.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nous Groupnousgroup.com HQ: Docklands, AustraliaReported employees: 501-1,000 | Docklands, Australia | 501-1,000 | Exact match | 706 contacts → |
“Nous Group is an international management consultancy working with clients across Australasia, the United Kingdom and North America.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Logistics Executive Grouplogisticsexecutive.com HQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 647 contacts → |
“Welcome to Logistics Executive Group - The hub of your global supply chain.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kordamenthakordamentha.com HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 601 contacts → |
“KordaMentha is a proudly independent, founder owned and led advisory firm with a reputation for getting the job done.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Synergy Groupsynergygroup.net.au HQ: Canberra, AustraliaReported employees: 201-500 | Canberra, Australia | 201-500 | Exact match | 425 contacts → |
“Challengers at heart, we are pragmatic explorers seeking to uncover what could be, so it can be.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Davidsondavidsonwp.com HQ: Brisbane City, AustraliaReported employees: 501-1,000 | Brisbane City, Australia | 501-1,000 | Exact match | 305 contacts → |
“As a proudly Australian company, over 30 years Davidson has evolved into a leader in enhancing workplace performance.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Johnstaffjohnstaff.com.au HQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 265 contacts → |
“Johnstaff is an independent Australian and New Zealand-owned consulting practice that specialises in client-side Advisory and Project Management services for the planning and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Finityfinity.com.au HQ: The Rocks, AustraliaReported employees: 201-500 | The Rocks, Australia | 201-500 | Exact match | 253 contacts → |
“We are a trusted partner of tech start-ups through to large scale organisations.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Terra Firma Business Consultingterrafirma.com.au HQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 235 contacts → |
“At Terra Firma, we understand that success is all about sustaining long-term relationships.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Professional Advantagepa.com.au HQ: 124 Walker Street, AustraliaReported employees: 201-500 | 124 Walker Street, Australia | 201-500 | Exact match | 234 contacts → |
“Helping organisations achieve more with technology.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Protiviti Australiaprotiviti.com HQ: Melbourne, AustraliaReported employees: 5,001-10,000 | Melbourne, Australia | 5,001-10,000 | Exact match | 172 contacts → |
“Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Programmed Professionalsprogrammed.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 172 contacts → |
“At Programmed Professionals, we are committed to delivering outstanding results for you.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CPT Globalcptglobal.com HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 154 contacts → |
“CPT Global is your independent partner for achieving peak IT performance.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Providence Consultingprovidenceconsulting.com.au HQ: Barton, AustraliaReported employees: 51-200 | Barton, Australia | 51-200 | Exact match | 125 contacts → |
“Providence Consulting is an Australian, veteran-initiated professional services firm, established in Canberra in 2005.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Callidacallida.com.au HQ: Forrest, AustraliaReported employees: 51-200 | Forrest, Australia | 51-200 | Exact match | 124 contacts → |
“Callida Consulting are a Canberra-based consulting firm, dedicated to our people and the provision of professional services across a range of service offerings.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bendeltabendelta.com HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 114 contacts → |
“Bendelta is Australia’s most awarded leadership and organisational design management consultancy - transforming individuals, teams and organisations to unlock human potential and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Projects Assuredprojectsassured.com.au HQ: Braddon, AustraliaReported employees: 51-200 | Braddon, Australia | 51-200 | Exact match | 110 contacts → |
“As a specialist management consulting firm, we pride ourselves on being your trusted strategic advisors and proven delivery partners, and we are renowned for solving our public…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Avocado Consultingavocado.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 108 contacts → |
“We are a proud Member of the Global Technology Industry Association -GITA OUR SERVICES Avocado helps clients deliver with certainty on their complex IT change, with technology…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | GLASSglassandco.com.au HQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 106 contacts → |
“What if the role of an organisation was solely for the purpose of helping you change what you did so that you didn't get what you already had?” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Senseisenseiprojectsolutions.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 96 contacts → |
“At Sensei we partner with you to help improve the way you work.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Xenco Servicesxencoservices.com HQ: Brisbane City, AustraliaReported employees: 51-200 | Brisbane City, Australia | 51-200 | Exact match | 85 contacts → |
“Founded in 2018, Xenco is a multi-disciplined, specialist service group that delivers executive and operational level support to businesses seeking significant improvements in…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ey-Parthenon Strategyeyportjacksonpartners.com HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 84 contacts → |
“EY-Parthenon Strategy, formerly EY Port Jackson Partners, is a leading Australian strategy consulting practice trusted by CEOs, Boards and senior leaders to advise on the most…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Visagio Australiavisagio.com HQ: Perth, AustraliaReported employees: 51-200 | Perth, Australia | 51-200 | Exact match | 81 contacts → |
“Founded in 2003, Visagio is a global platform that helps organisations achieve their goals.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Parberyparbery.com.au HQ: Fyshwick, AustraliaReported employees: 51-200 | Fyshwick, Australia | 51-200 | Exact match | 76 contacts → |
“Parbery is a values-driven professional advisory firm and an Australian-owned SME, with a presence in ACT, QLD, SA and VIC.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Business Aspectbusinessaspect.com.au HQ: Toowong, AustraliaReported employees: 51-200 | Toowong, Australia | 51-200 | Exact match | 75 contacts → |
“At Business Aspect, our promise to our clients is to always look at things from a ‘fresh perspective’ and to ensure our engagement with you is based on a clear understanding of…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Big 5 consulting firms: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,628 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 74.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 23, 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 ↗
Big 5 consulting firms by metro
Questions about this company list
What does Exact match mean for big 5 consulting 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 big 5 consulting firms did RevenueBase find based in Australia?
The saved snapshot records 1,629 matching company records, 14,081 tracked contacts and 6,671 verified emails. The public preview displays 25 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 23, 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 25 big 5 consulting firms based in Australia. Snapshot: September 23, 2026. https://revenuebase.ai/companies/big-5-consulting-firms/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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