 Ironbridge was founded in 2003 by Neil Broekhuizen, Paul Evans, Julian Knights and Greg Ruddock, who collectively own the company.Its largest investment since July 2007 has been media company MediaWorks New Zealand, which owns TV3, C4 and half of New Zealand's radio stations including Radio Live, More FM, The Rock, The Edge and The Breeze.It had a 70% controlling stake in MediaWorks, making it one of the largest owners of the New Zealand media industry, and played an active role in the management of the company.