Complex sentence: The Company was founded by Charles Connell who had served an apprenticeship with Robert Steele and Co before becoming manager of Alexander Stephen and Sons Kelvinhaugh yard before he started shipbuilding on his own account at Scotstoun in 1861 initially concentrating on sailing ships.
Split into simpler sentences: The Company was founded by Charles Connell who had served an apprenticeship with Robert Steele and Co before becoming manager of Alexander Stephen and Sons Kelvinhaugh yard. He started shipbuilding on his own account at Scotstoun in 1861 initially concentrating on sailing ships.