Olswang corporate partner Mark Bertram has acted on two media-related transactions. Bertram led the team that scored the lead role on the creation of 24-hour news radio station Sky News Radio, advising long-time client Chrysalis Radio on its joint venture with Sky Ventures to provide the service. The Olswang team included corporate associate Roisin Thomas and media and technology associate Ewan Watson. Bertram also advised advertising agency M&C Saatchi on the £18.4m acquisition of brand consultancies Clear Ideas and Walker Media. Lewis Silkin advised the sellers of Walker Media, while Boyes Turner acted for Clear Ideas.