The corporate groups and holding companies in Sydney are concentrated in financial services, technology, retail, and professional services. Many are large, well-established organizations. Noteworthy examples include Commonwealth Bank, a major financial services provider; Telstra, focused on telecommunications and technology; Endeavour Group, which operates in retail and hospitality; and Freelancer.com, connecting users with diverse projects globally.
A clear pattern among these companies is their strong presence in traditional sectors like banking and insurance, alongside a significant representation of newer technology and internet firms. This mix indicates both a mature corporate landscape and an emerging digital economy.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Freelancer.comfreelancer.com
Connecting millions of users worldwide with projects in diverse fields, offering secure payments and specialized freight services. |
91,305 | |||
| 2 |
Commonwealth Bankcommbank.com.au
Leading provider of financial services in Australia, offering banking, funds management, insurance, investment, and sharebroking products to help individuals manage their finances |
47,706 | |||
| 3 |
Telstratelstra.com.au
Providing technology and content solutions for a connected future, with a focus on customer experience and Australia's largest mobile network |
35,493 | |||
| 4 |
Westpacwestpac.com.au
A major banking institution in Australia and New Zealand, offering a wide range of financial services globally with a focus on customer prosperity |
16,224 | |||
| 5 |
Westpac Groupwestpac.com.au
Leading financial institution offering banking, wealth management, and customer-focused services across Australia, Asia, UK, and the US. |
14,973 | |||
| 6 |
IAGiag.com.au
Leading general insurance company in Australia and New Zealand, providing coverage under various brands, supporting communities in preventing and recovering from risks since 1851 |
12,798 | |||
| 7 |
Endeavour Groupendeavourgroup.com.au
Endeavour Group brings people together through memorable experiences, operating over 1600 stores and 330 hotels with a focus on creating a sociable future |
11,046 | |||
| 8 |
Ray Whiteraywhite.com
Global leader in real estate with over 120 years' experience, delivering proven results, exceptional leaders, and impeccable customer service Market-leading in all sectors |
9,956 | |||
| 9 |
WSP in Australiawsp.com
A leading professional services consulting firm providing technical expertise and strategic advice in various sectors, designing lasting solutions for future generations with integrated digital innovations |
4,487 | |||
| 10 |
SSIssi.org.au
Providing life-changing human and social services, empowering diverse communities to participate fully in Australia's economic and social life. |
3,803 | |||
| 11 |
EVT - Entertainment | Ventures | Travelevt.com
A company in the entertainment industry offering cinema experiences, bars and restaurants, as well as travel experiences with a focus on authenticity and local feel |
3,627 | |||
| 12 |
Healius Limitedhealius.com.au
Provides affordable, accessible specialty diagnostic and pathology services across Australia through extensive laboratories and patient collection centers. |
3,531 | |||
| 13 |
Glencore Australiaglencore.ws
Leading Australian natural resource producer supplying coal, copper, zinc, nickel, and cobalt globally for energy, steel-making, and transitioning to a low-carbon future |
3,294 | |||
| 14 |
Fairfax Medianineforbrands.com.au
provides news, digital content, radio, events, marketing, property services, and entertainment across Australia and New Zealand markets |
2,710 | |||
| 15 |
Lendi Group
A fast-growing Australian fintech transforming the home loan industry through innovative technology to provide seamless property financing experiences for all |
2,619 | |||
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 |
Sonic Healthcaresonichealthcare.com
Internationally renowned healthcare provider specializing in pathology, radiology, and primary care with operations in multiple countries and a focus on quality medical diagnostic services |
2,328 | |||
| 17 |
Future Groupfuturegroup.com.au
A leading ethical investment company focusing on superannuation, advocating for a sustainable and equitable world while supporting various industries and demographics |
2,038 | |||
| 18 |
Goodmangoodman.com
Global property group developing and managing sustainable properties near consumers, focusing on long-term relationships with customers and partners worldwide Flexibility to adapt to local needs |
1,693 | |||
| 19 |
Scenic - Luxury Cruises & Toursscenic.cruises
A luxury travel company offering award-winning river and ocean cruises, as well as handcrafted land journeys to destinations worldwide |
1,684 | |||
| 20 |
Talenttalentinternational.com
Connects experts in technology and transformation with companies. Focuses on building skilled teams and rethinking tech solutions, delivering value through a people-first approach. |
1,608 | |||
| 21 |
LMGlmg.broker
LMG is the largest aggregator group in Australia and New Zealand, supporting brokers and advisers to help customers settle loans with various lenders |
1,510 | |||
| 22 |
EBOS MedTechebosmedtech.com
A company in Asia Pacific that specializes in developing life-changing medical technology |
1,404 | |||
| 23 |
IPH Limitediphltd.com.au
An international group providing intellectual property services through a network of leading IP firms and an online trademark application platform |
1,394 | |||
| 24 |
Perpetual Limitedperpetual.com.au
Providing asset management, wealth management, and trustee services to clients across Australia, Asia, Europe, UK, and the United States. |
1,309 | |||
| 25 |
HUB24 Limitedhub24.com.au
Provider of integrated wealth management platforms, SMSF software, and client portal technology enhancing financial advice delivery and client collaboration. |
1,079 | |||
| 26 |
IVE Groupivegroup.com.au
Largest Australian marketing company offering strategic thinking, creative production, brand activations, data-driven communications, and seamless distribution services. |
1,027 | |||
| 27 | 947 | ||||
| 28 |
Eucalyptuseucalyptus.health
Digital healthcare platform offering telehealth services for men's health, fertility, dermatology, weight loss, and menopause, with a focus on high-quality care and patient safety |
888 | |||
| 29 |
TEG Pty Ltdteg.com.au
TEG is a global leader in live entertainment, ticketing, and technology, connecting fans to experiences and empowering clients with insights |
811 | |||
| 30 |
SHAPE Australiashape.com.au
Specialist in interior fitouts and refurbishments across commercial, education, retail, defence, hospitality, and health sectors with strong people focus. |
808 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Sydney
- The largest companies in Sydney 912
- Multinational companies in Sydney 279
- Financial services firms in Sydney 205
- Financial Services companies in Sydney 143
- Professional services firms in Sydney 93
- Publicly traded companies in Sydney 78
- Retail chains in Sydney 77
- Companies with a mobile app in Sydney 64
- Critical infrastructure operators in Sydney 63
- Investment Management companies in Sydney 60
- SaaS companies in Sydney 51
- IT Services and IT Consulting companies in Sydney 49
- Consulting firms in Sydney 47
- Hotel and hospitality groups in Sydney 41
- Subscription businesses in Sydney 40
- Education providers in Sydney 39
- Healthcare providers in Sydney 37
- Manufacturers in Sydney 36
- E-commerce companies in Sydney 35
- Venture capital and private equity firms in Sydney 33
- Real Estate companies in Sydney 32
- Retail companies in Sydney 32
- Software Development companies in Sydney 30
- AI companies in Sydney 28
The same list elsewhere in Australia
- Corporate groups and holding companies in Australia 280
- Corporate groups and holding companies in New South Wales 101
- Corporate groups and holding companies in Victoria 89
- Corporate groups and holding companies in Queensland 37
- Corporate groups and holding companies in Western Australia 29
- Corporate groups and holding companies in Melbourne 38