Complex sentence: As a young architect, Bossley set up a practice with fellow graduates a year after completing his studies which was first called Pete Bossley Architects, and then was changed to Bossley Cheshire Architects, a joint practice with Pip Cheshire from 1984 to 1988.
Split into simpler sentences: As a young architect, Bossley set up a practice with fellow graduates a year after completing his studies. The firm was first called Pete Bossley Architects, and then became Bossley Cheshire Architects, a joint practice with Pip Cheshire from 1984 to 1988.