Australia’s #1 Real Estate Agency

At OC, we believe great real estate is built on trust, innovation and exceptional people.

Over the years, OC has been recognised with some of the most respected awards in the Australian real estate industry, including national honours at the NAFE Awards, REA Excellence Awards and REB Awards.

These recognitions reflect more than performance. They represent our commitment to delivering outstanding results for sellers, buyers and landlords across South Australia.

As an award-winning Adelaide real estate agency, OC brings together smarter systems, innovative marketing and a people-first mindset to support every step of your property journey. Let’s Make It Happen.

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We are always looking for better ways to do real estate. As a proud South Australian business, it is great to see our work recognised nationally, but our real focus is continuing to improve and raising the standard for our clients.

Alex Ouwens, Co-Founder

We’ve always been willing to challenge the way things are done. Not for the sake of being different, but to find better ways to grow, lead and deliver something meaningful for the people who trust us.

Nathan Casserly, Co-Founder

OC Real Estate is proud to be recognised among the top real estate agencies in Australia, with multiple national industry awards celebrating excellence in residential sales and property management.

  • Winner – REB Awards: Major Independent of the Year (4 or more offices)
  • Winner – REA Excellence Awards: Residential Agency of the Year
  • Winner – REA Excellence Awards: Property Management Team of the Year
  • REB Top 50 Sales Offices
  • Winner – REIA Awards for Excellence: Large Residential Agency
  • Winner – REB Awards: Major Independent of the Year (4 or more offices)
  • Winner – REA Excellence Awards: Wellbeing Initiative of the Year
  • Winner – REB PMX Awards: Innovation in Property Management
  • Winner – REISA Awards for Excellence: Projects Marketing Development
  • REB Top 50 Sales Offices
  • Winner – REA Excellence Awards: Wellbeing Initiative of the Year
  • Winner – REISA Awards for Excellence: Large Residential Agency
  • Winner – REISA Awards for Excellence: Projects Marketing Development
  • Winner – Leading Teams: High-Performance Team of the Year
  • Winner – REB Awards: Social and Community Program of the Year
  • REB Top 50 Sales Offices
  • Winner – REA Excellence Awards: Residential Agency of the Year
  • Winner – REISA Awards for Excellence: Community Service
  • Winner – REB Awards: Social and Community Program of the Year
  • REB Top 50 Sales Offices
  • Winner – REB Awards: Major Independent of the Year (4 or more offices)
  • Winner – REISA Awards for Excellence: Projects Marketing Development (2019)
  • Winner – UDIA Awards for Excellence: Marketing Excellence (2019)
  • Winner – REISA Awards for Excellence: Projects Marketing Development (2018)
Winner – REIA Awards for Excellence: Large Residential Agency (2025)
Winner – REIA Awards for Excellence: Large Residential Agency (2025)
Winner – REB Awards: Major Independent of the Year (2026)
Winner – REB Awards: Major Independent of the Year (2026)
Winner – REA Excellence Awards: Residential Agency of the Year (2025)
Winner – REA Excellence Awards: Residential Agency of the Year (2025)
Winner – REB Awards: Major Independent of the Year (2025)
Winner – REB Awards: Major Independent of the Year (2025)
Winner – REA Excellence Awards: Property Management Team of the Year (2025)
Winner – REA Excellence Awards: Property Management Team of the Year (2025)
Winner – REB PMX Awards: Innovation in Property Management (2025)
Winner – REB PMX Awards: Innovation in Property Management (2025)
Winner – REA Excellence Awards: Wellbeing Initiative of the Year (2025)
Winner – REA Excellence Awards: Wellbeing Initiative of the Year (2025)
Winner – REISA Awards for Excellence: Large Residential Agency (2024)
Winner – REISA Awards for Excellence: Large Residential Agency (2024)
Winner – Leading Teams Awards: High-Performance Team of the Year (2024)
Winner – Leading Teams Awards: High-Performance Team of the Year (2024)
Winner – REB Awards: Social and Community Program of the Year (2024)
Winner – REB Awards: Social and Community Program of the Year (2024)
Winner – REISA Awards for Excellence: Community Service (2023)
Winner – REISA Awards for Excellence: Community Service (2023)
Winner – REB Awards: Social and Community Program of the Year (2023)
Winner – REB Awards: Social and Community Program of the Year (2023)
Winner – REA Excellence Awards: Residential Agency of the Year (2022)
Winner – REA Excellence Awards: Residential Agency of the Year (2022)
Winner – REB Awards: Major Independent of the Year (2022)
Winner – REB Awards: Major Independent of the Year (2022)
Winner – REISA Awards for Excellence: Projects Marketing Development (2019)
Winner – REISA Awards for Excellence: Projects Marketing Development (2019)
Winner – UDIA Awards for Excellence: Marketing Excellence (2019)
Winner – UDIA Awards for Excellence: Marketing Excellence (2019)

Proudly South Australian.
Recognised Nationally.

While awards are an honour, they're never the destination.

They inspire us to continue raising the standard, delivering exceptional service and supporting our clients at every stage of their property journey.

At OC, we're proud to help South Australians open the door to what’s next.

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