The Sydney Business Chamber, established in 1825 as the Sydney Chamber of Commerce, is the second-oldest business entity in New South Wales. Today, it is a division of the NSW Business Chamber and a partner of Business Events Sydney.

Its membership is drawn from the city's corporate business community, covering all industry sectors and representing leading corporations across Greater Sydney. With offices in the Sydney central business district and Parramatta. ^{[citation needed]}

The Chamber's mission is to represent leading corporations across Greater Sydney and advocate for public policies that enhance Sydney as a competitive, collaborative, and livable global city through collaboration with government or advocacy for government.^[1]

As an advocate for Sydney as a competitive and livable global city, the Chamber makes policies focused on reforming the city's local governance, urban renewal and planning reform, recycling state assets to fund new transport and infrastructure projects, and supporting the evolution of Sydney as a leading service economy with a strong reputation in the arts, tourism, and international education. Headed by Katherine O'Regan as executive director.^[2]

• Economy of Sydney
• Economy of New South Wales