Complex sentence: In 2008 Cosgrove Hall Films made all of its staff except for 4 people redundant and moved to an office in Granada Studios in Manchester, thus ending 30 years of the studio in Chorlton.
Split into simpler sentences: In 2008 Cosgrove Hall Films, made all of its staff except for 4 people redundant and had to move to an office in Granada Studios in Manchester. Thus ending 30 years of the studio in Chorlton.