Genevieve and Suzannah Toop have won a competition to take the story of their family real-estate business in Adelaide to a global audience including Sir Richard Branson and Kevin Spacey.

The Toops have won Nova Entertainment's "Take Your Story Global" competition and will attend the World Business Forum in New York, which runs from November 12 to 13. Led by Branson and Spacey, the forum will bring together over 4000 senior executives representing more than 900 companies from over 50 countries.

The pair won the competition with a video produced by their in-house advertising studio team. It tells the story of the challenges Genevieve and Suzannah faced coming into a 30-year-old business started by their parents, Anthony and Sylvia.

"We're so proud of our in-house studio team, they did an amazing job putting the video together to tell our story," said Genevieve, Toop&Toop Head of Sales and Marketing.

Watch their winning video here.