These Melbourne-based consulting firms include a mix of professional services, IT and engineering consultancies. Many are large firms, with Probe CX, a digital transformation and customer experience specialist, employing 4600 people. Other significant firms include Findex, providing financial advisory and accounting services; SMK, an EdTech company specializing in marketing capability transformation; and CyberCX, offering cybersecurity services.
The companies listed were founded between 1963 (Urbis, an urban development consultancy) and 2019 (CyberCX). A notable number of these firms, such as Mantel, Versent, and Bilytica, specialize in IT services and IT consulting, focusing on areas like AI, data, cloud solutions, and digital transformation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Probe CXprobecx.com
Probe CX partners with businesses to create modern digital organizations, delivering exceptional customer experiences through technology, people, process, and data |
4,600 | |||
| 2 |
Findexfindex.com.au
Provider of integrated financial advisory and accounting services across Australia and New Zealand, focusing on holistic, technology-driven client solutions. |
2,004 | |||
| 3 | 1,904 | ||||
| 4 |
CyberCX
Provides comprehensive cybersecurity services including consulting, incident response, security testing, and managed solutions to organizations across various sectors, ensuring digital resilience. |
1,431 | |||
| 5 |
Urbisurbis.com.au
Urban development consultancy providing expertise in planning, design, policy, heritage, valuations, transactions, economics, and research for better city and community outcomes |
1,139 | |||
| 6 |
Mantelmantelgroup.com.au
Next-gen consultancy specializing in AI, data, digital, security, and cloud solutions to transform business operations with a people-focused culture. |
786 | |||
| 7 | 680 | ||||
| 8 |
KordaMenthakordamentha.com
An independent advisory firm offering cybersecurity, financial crime, forensic, real estate, and restructuring services with over 400 specialists in Asia-Pacific |
650 | |||
| 9 |
DWSdws.hcltech.com
A leading Australian IT and Management Consulting Services Group offering a wide range of services to corporate and government clients |
638 | |||
| 10 |
ADP Consultingadpconsulting.com
A sustainability-focused engineering consultancy pushing boundaries in design and innovation to deliver sustainable solutions for complex projects worldwide |
572 | |||
| 11 |
Versentversent.com.au
Australian technology company specializing in cloud native applications, data platforms, and services, with a customer-first approach and a focus on quality outcomes |
555 | |||
| 12 |
Assaiassai.com.au
Assai specializes in building stronger communities and organizations through evaluation, social infrastructure, research, and art training projects in Asia-Pacific |
549 | |||
| 13 |
Mercer Pacificmercer.com.au
Consulting firm specializing in work transformation, retirement planning, investment strategies, and health and well-being solutions across global markets. |
534 | |||
| 14 |
McGrathNicolmcgrathnicol.com
Specialist Advisory and Restructuring firm helping businesses improve performance, manage risk, achieve stability and growth through strategic support and innovative solutions |
499 | |||
| 15 |
Bilyticabilytica.com
Specializing in IT manpower for Data Science, AI, SaaS products, and business growth through innovative software solutions, mobile apps, and digital platforms |
450 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
SW Accountants & Advisorssw-au.com
An Australian advisory and accounting firm with an 85-year history leveraging global network to create opportunities and deliver outcomes for clients worldwide |
439 | |||
| 17 |
Oaktonservices.global.ntt
An Australian digital advisory and technology solutions organization, offering consulting services, data analytics, business applications, and digital solutions with global resources |
417 | |||
| 18 |
Telstra Purpletelstra.com.au
This company drives digital transformation for Australian and global businesses through collaborative, innovative solutions and unrivaled global partnerships |
409 | |||
| 19 |
Spiirespiire.com.au
Integrated team providing specialist services in civil engineering, landscape architecture, surveying, town planning, urban design, visual media, and water engineering to property and infrastructure sectors |
402 | |||
| 20 |
CETECcetec.com.au
An independent consultancy specializing in environmental, sustainability, and occupational health services for buildings and the built environment, utilizing a scientific approach for comprehensive solutions |
394 | |||
| 21 |
Independent IT Consultant
Specializing in independent IT consulting, offering expert solutions and guidance to clients for their technology needs and challenges |
393 | |||
| 22 |
Egis in ANZegis-group.com
International consulting and engineering firm focused on creating sustainable, resilient infrastructure and buildings to combat climate change and improve quality of life worldwide |
363 | |||
| 23 |
Intrax Consulting Groupintrax.com.au
Provide comprehensive engineering and field services nationwide, delivering innovative projects in built environments with a collaborative, client-focused approach. |
351 | |||
| 24 |
INK IT Solutionsinkitsolutions.com.au
Global IT consulting specializing in cutting-edge SAP solutions, delivering end-to-end customer and employee experiences through innovative technologies and best practices worldwide |
336 | |||
| 25 |
BlueRockbluerock.com.au
A team of business and wealth experts providing advisory services and a comprehensive team approach to support entrepreneurs and individuals in achieving their goals |
327 | |||
| 26 |
Arincoarinco.com.au
Specialists in cloud-native technologies, focusing on enablement, modernization, and innovation to help organizations succeed in the Microsoft cloud |
326 | |||
| 27 |
pitt&sherrypittsh.com.au
Engineering and environmental consultancy providing project lifecycle services including planning, design, asset management, and decommissioning for various industry sectors. |
323 | |||
| 28 |
nfoldROI Group of Companiesnfoldroi.com
Global digital transformation leader providing IT right-shoring solutions with 500+ staff worldwide Trusted by leading utilities and telcos for high-quality, low-cost services |
319 | |||
| 29 |
AMC Consultantsamcconsultants.com
Global consultancy specializing in helping miners maximize business value by evaluating opportunities, solving productivity challenges, and improving performance through data-driven solutions and expert insights |
273 | |||
| 30 |
Eclipseeclipsegroup.com.au
Specialist online design, development, and consulting firm partnered with Deloitte, providing clients with innovative solutions and global project delivery capabilities |
267 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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