Complex sentence: DNR formed in 2006 as a production name for the pairs increasing work in the TV adverts, film and computer games market, however in late 2010 Treahearn and Haggett decided to officially use DNR as their production name within the commercial sector.
Split into simpler sentences: DNR formed in 2006, as the duo's needed a name for their increasing work in the TV advertising, film and computer gaming markets. By late 2010 Treahearn and Haggett began to officially use DNR as their production name within the commercial sector.