EXCLUSIVE: Studio Lambert, the reality TV production company behind CBS’ Undercover Boss, has formed a production partnership deal with Nutopia, the production company launched by former Discovery Channel President and BBC Two controller Jane Root. All American versions of Nutopia’s U.K.-created formats will be produced in  the the U.S. in conjunction with Studio Lambert.

Nutopia, which was created 2 years ago, has established itself as producer of ‘mega docs’; large scale factual series. The company’s first such series was the 12-hour America: The Story of US for History, which was introduced by President Barack Obama and became the network’s most watched special ever. Additionally, Nutopia creates and produces formatted programming for U.K., including celebrity biography show The House That Made Me, which recently premiered on Channel 4. Founded by Stephen Lambert, Studio Lambert set up its American operations in L.A. about two years ago with Project Runway creator Eli Holzman at the helm. Its U.S. slate includes Boss, Mel B: It’s a Scary World on Style, and The Fairy Jobmother on Lifetime.