6 Largest Companies in Sydney to Know

Sydney’s vibrant business culture and prime port location allow these major companies to scale and thrive.

Written by Margo Steines
Sydney cityscape from the water, the Opera House is visible in the foreground
Photo: Shutterstock
UPDATED BY
Ana Gore | Nov 13, 2024

Sydney’s largest companies enjoy its prime port location and a vibrant local and expat workforce that flocks to the city for employment opportunities. These companies comprise the businesses with the top market capitalization, largest teams and highest revenue in and around Sydney. Read on to learn who the market leaders are and which ones are hiring.

Sydney’s Largest Companies

  • Atlassian
  • Commonwealth Bank
  • BHP
  • Telstra
  • WiseTechGlobal

 

Largest Companies in Sydney to Know

Atlassian is a software company that makes products for work management, software development and service management. Its portfolio includes a number of products including Jira, Confluence, Loom and Trello. Atlassian’s Sydney workforce is made up of nearly 3,000 people, serving hundreds of thousands of global customers and over 10 million monthly software users.  

 

Commonwealth Bank is Australia’s largest financial institution. It offers a full suite of traditional banking services, including personal, business and institutional banking, superannuation, insurance products and brokerage services. Managing over $1 trillion AUD in assets, the company employs more than 50,000 team members.

 

BHP is a mining company that holds the world’s highest market capitalization in the industry. It mines copper, iron ore and metallurgic coal, and is developing its capacity to produce potash, a more sustainable potassium-based energy source mined from soil. Over 90,000 team members work for BHP, which has been in business since 1851.

 

Telstra is the telecommunications company that most Australians rely on for broadband internet, mobile phone service and landline telephone connectivity. Its media brand, Telstra Media, offers a range of media forms and genres, including scripted shows, sports and reality TV. Telstra’s team is made up of more than 30,000 people who provide services to over 20 million mobile customers.

 

WiseTech Global makes software for the logistics sector. Its CargoWise logistics product manages complex itineraries and transactions for freight transportation, with features for warehousing, international e-commerce, parcel post and customs and compliance. WiseTech Global has reported total annual revenue in excess of $800 million in recent years.  

 

InterSystems has its Sydney office in the Barangaroo area. The company creates digital products for industries that include healthcare, government, life sciences and finance. Its flagship product is its IRIS Data Platform, which aims to offer a more intuitive way to build and deploy cloud-first applications. 

 

Explore Job Matches.