Dorilton Capital Management, a private equity firm, completed the acquisition of Williams Grand Prix Engineering, the formula 1 business of Williams Grand Prix Holdings for $179m. “As a family we have always put our team first. Making the team successful again and protecting our people has been at the heart of this process from start. This may be the end of an era for Williams as a family-owned team, but we know it is in good hands,” Claire Willams Deputy Team Principal.