In 2002, Riva established Rubicon Retail Fashion Limited, which was operating until 2006. It was in 2004 that she put in a remarkable effort in the company that generated a profit of 20 million GBP that year. Once her net worth reached US$ 60 million she became one of the richest women in Great Britain. In addition, Hilary Susan is honored for being Non-Executive Chairperson of the Development Committee of British Fashion Council. In 2008, she was awarded with an OBE as recognition of her services and six years later, she was appointed as Non-Executive director by ASOS.