These Australian companies are predominantly large enterprises, with a notable presence in software development, mining, and outsourcing services. Many of these firms, such as Atlassian (founded 2002) and Canva (founded 2012), are relatively young, indicating a dynamic business environment. Others, like Orica (founded 1874), have a long-standing history.
Key players include Atlassian, which creates tools like Jira for team collaboration, and Canva, a visual communications platform. BHP and Orica are significant in mining, supplying essential resources and specialized solutions. Probe Group and Probe CX offer extensive customer experience and business process outsourcing services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 40,731 | ||||
| 2 |
Atlassianatlassian.com
A global team creating tools like Jira, Confluence, Bitbucket, and Trello to empower teams worldwide to collaborate effectively and innovate |
21,044 | |||
| 3 | 16,615 | ||||
| 4 | 11,326 | ||||
| 5 |
Probe Groupprobecx.com
Provider of customer experience and business process outsourcing services combining digital innovation with a people-first approach across global markets. |
9,782 | |||
| 6 |
MNCmnca.com.au
The company specializes in solving insurance, reinsurance, superannuation, and risk-related problems through tailored consulting services by experienced professionals |
6,235 | |||
| 7 |
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 | |||
| 8 |
REA Grouprea-group.com
Digital business providing integrated property services including buying, selling, renting, valuation, financing, and rich data for Australian property seekers. |
3,971 | |||
| 9 | 2,990 | ||||
| 10 |
Employment Heroemploymenthero.com
all-in-one platform supporting recruitment, HR, compliance, and payroll to help businesses manage and empower their employees effectively |
1,835 | |||
| 11 |
Hansen Technologieshansencx.com
provides mission-critical software and expertise to energy, water, and telecommunications industries enabling innovation, new services, and regulatory compliance worldwide. |
1,662 | |||
| 12 |
Quantiumquantium.com
Innovative analytics and data science company, harnessing the power of data to drive transformation and unlock opportunities for individuals, organizations, and society |
1,380 | |||
| 13 |
SiteMindersiteminder.com
Specializes in software platforms for hotels, maximizing revenue potential and offering management solutions for small accommodation providers Headquarters in Sydney with global presence |
1,274 | |||
| 14 |
Leidos Australialeidos.com
Delivering complex technology solutions across defence, intelligence, aviation, and health markets through systems integration, maritime autonomy, airborne surveillance, and government ICT modernisation services. |
1,141 | |||
| 15 |
Stellarprobecx.com
A global customer experience management organization specializing in contact center outsourcing, CX consulting, automation, analytics, and co-innovation with clients |
1,118 | |||
| 16 | 1,034 | ||||
| 17 |
Influxinflux.com
Providing consistent, high-quality, on-demand customer support services worldwide using a follow-the-sun model for any timezone. |
993 | |||
| 18 |
Culture Ampcultureamp.com
Provides an employee experience platform, transforming engagement, performance management, and developing high-performing teams for over 7,500 companies. |
954 | |||
| 19 |
Envatoenvato.com
A global online creative community providing tools, assets, and opportunities for creators to thrive, with a focus on sustainability and inclusive work culture |
939 | |||
| 20 |
Isentiaisentia.com
Leading media intelligence company in Asia-Pacific, providing insights on brand reputation since 1982 Acquired by Access Intelligence in 2021 for global expansion |
881 | |||
| 21 |
SafetyCulturesafetyculture.com
A mobile-first operations platform for safety, compliance, and operational excellence, offering tools for inspections, issue resolution, asset management, and team training on-the-go |
847 | |||
| 22 |
Cuscal Limitedcuscal.com
A payments and regulated data services provider in Australia, enabling banks, mutuals, corporates, and fintechs with innovative technology solutions for seamless customer connections |
783 | |||
| 23 |
PMY Grouppmygroup.com
Providing comprehensive technology infrastructure, experiential systems, and intelligence solutions to optimize operations and enhance live venues and major events worldwide. |
760 | |||
| 24 |
LEAP Legal Softwarecareers.leaplegalsoftware.com
Provides an all-in-one productivity platform designed for legal professionals to enhance efficiency and profitability across multiple countries. |
719 | |||
| 25 |
NurtureCloudnurturecloud.com
An enterprise-level platform combining CRM, marketing automation, lead generation tools to improve prospecting, nurturing, and sales management for agents |
683 | |||
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. | |||||
| 26 |
AIM Defenceaimdefence.com
Specializing in ultra-compact high-power laser systems with advanced AI tracking, the company focuses on developing directed energy and AI systems for defense purposes |
682 | |||
| 27 |
Particular Audienceparticularaudience.com
AI-powered platform for product discovery in retail, offering search, recommendations, competitor price beat, and personalized shopping experiences for global brands |
663 | |||
| 28 |
Luxury Escapesluxuryescapes.com
A fast-growing travel website offering exclusive deals on luxury experiences worldwide, with over 6 million members accessing insider prices |
650 | |||
| 29 | 611 | ||||
| 30 |
ELMO Softwareelmosoftware.com.au
Provider of AI-driven HR and payroll software unifying recruitment, onboarding, learning, and payroll with secure, scalable, locally supported solutions. |
609 | |||
| 31 |
Nearmapnearmap.com
Provider of high-resolution aerial imagery, AI-driven insights, and SaaS solutions enabling industries to build resilient infrastructure and protect communities. |
607 | |||
| 32 |
Infomediainfomedia.com.au
Provides SaaS and DaaS platforms for automotive OEMs and dealers to manage vehicle lifecycle, parts sales, service, and customer experience globally. |
574 | |||
| 33 |
FUJIFILM Data Management Solutionsfujifilmdms.com
Specializing in personalized communication, our multi-channel approach helps organizations connect with customers to enhance their experience and drive loyalty |
566 | |||
| 34 |
CoreLogic Australiacorelogic.com.au
Leading provider of property data and analytics, offering insights and solutions to industries worldwide, helping clients identify opportunities, improve performance, and mitigate risk |
538 | |||
| 35 |
Think Future Technologiestftus.com
Provides global technology solutions, empowering businesses to achieve digital transformation goals through product engineering, enterprise solutions, and advanced technologies including AI/ML and RPA. |
535 | |||
| 36 |
Heidiheidihealth.com
Building an AI Care Partner to expand clinical capacity, supporting every stage of care delivery, including AI scribe, medical research access, and patient communications. |
535 | |||
| 37 | 505 | ||||
| 38 |
Deputydeputy.com
Provides an all-in-one workforce management solution for scheduling, timesheets, tasks, and communication to streamline operations for businesses and teams. |
503 | |||
| 39 |
Objective Corporationobjective.com.au
Develop software solutions for public sector organizations to enhance policy development, accelerate processes, and ensure secure, digital governance. |
499 | |||
| 40 | 483 | ||||
| 41 |
DroneShielddroneshield.com
Develops specialized security solutions protecting people and critical infrastructure from unauthorized drone threats using engineering expertise across defense, intelligence, and aerospace sectors. |
452 | |||
| 42 |
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 | |||
| 43 |
InfoTrack AUinfotrack.com.au
InfoTrack is a leading innovator in legal technology, specializing in property conveyancing automation, with a strong focus on efficiency and employee satisfaction |
445 | |||
| 44 |
Samsung Australiasamsung.com
A global technology leader constantly innovating in smartphones, TVs, wearable devices, semiconductors, and IoT solutions, with a diverse and creative workforce driving growth |
436 | |||
| 45 |
Seeing Machinesseeingmachines.com
Global leader in computer vision technology delivering safety solutions to transport industries worldwide through Driver Monitoring Systems for various sectors |
431 | |||
| 46 |
Abt Global Australiaabtglobal.com
Global leader in international development delivering health, economic growth, governance, research, and social inclusion solutions worldwide. |
427 | |||
| 47 |
AI-Mediaai-media.tv
Specialises in AI-powered live and recorded captioning and translation solutions, enhancing accessibility and inclusivity for global broadcasters and enterprises. |
417 | |||
| 48 |
Champion Datachampiondata.com
Capture and analyze complex sports data, delivering precise, easy-to-understand statistics and visuals for media, broadcasters, and sports organizations. |
411 | |||
| 49 |
PETRApetradatascience.com
Global provider of orebody learning software for digital twin optimization, enhancing mine value chain performance and preventing downtime through predictive maintenance solutions |
405 | |||
| 50 |
Maptekmaptek.com
A company focused on providing integrated decision-making support solutions for the mining industry to turn data into knowledge and revolutionize mining operations |
397 | |||
Turn this list into pipeline
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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.
More company lists in Australia
- The largest companies in Australia 5,556
- Multinational companies in Australia 1,184
- Retail chains in Australia 577
- Financial services firms in Australia 483
- Critical infrastructure operators in Australia 450
- Education providers in Australia 402
- Healthcare providers in Australia 397
- Professional services firms in Australia 377
- Financial Services companies in Australia 373
- Government Administration companies in Australia 351
- Public sector organisations in Australia 326
- Manufacturers in Australia 320
- Companies with a mobile app in Australia 305
- Publicly traded companies in Australia 299
- Hospitals and Health Care companies in Australia 297
- Corporate groups and holding companies in Australia 280
- E-commerce companies in Australia 247
- Retail companies in Australia 243
- Companies with in-house R&D in Australia 235
- IT Services and IT Consulting companies in Australia 215
- Consulting firms in Australia 210
- Non-profit Organizations companies in Australia 190
- Hotel and hospitality groups in Australia 188
- Construction companies in Australia 186