Complex sentence: Massey Brothers (Pemberton) Limited were formed in 1904 by the three brothers William, Isaac and Thomas as timber merchants and building contractors being based in Pemberton two miles west of Wigan in Lancashire.
Split into simpler sentences: Massey Brothers (Pemberton) Limited were formed in 1904 by the three brothers William, Isaac and Thomas as timber merchants and building contractors. They were based in Pemberton two miles west of Wigan in Lancashire.