The London, Paris and Toronto-based venture,created through the merger of HanWay Films and Celluloid Dreams last month, will commence pre-sales in Cannes.
Battle For Haditha re-enacts the aftermath of an Iraqi insurgent attack on a US convoy that kills a corporal and sparks a violent response by American Marines.
Broomfield is working with a cast of unknown actors including former US Marines and Iraqis. The dialogue is being improvised from a treatment the director wrote with his co-producer Anna Telford, echoing recent cinema verite works from British directors like Paul Greengrass (United 93) and Michael Winterbottom (The Road To
'Nick Broomfield is the consummate investigative film-maker with a compelling voice and a unique style,' Dreamachine chief executive officer Tim Haslam said. 'It's a story that must be told and Dreamachine look forward to working with Nick to take it to a worldwide audience.'
Battle For Haditha is fully financed by Channel Four and Broomfield's Lafayette Film, which is producing with Telford.
Dreamachine's Cannes line-up includes Michael Winterbottom's Genova,
Philip Noyce's Dirt Music, Jon Amiel's Charles Darwin biopic Annie's
Box, Alan Ball's Nothing Is Private, Harmony Korine's Mister Lonely (which has been selected for Un Certain Regard) and Todd Haynes' I'm Not There.