O ganlyniad i'n dull gweithredu mewn perthynas â'r broses gaffael a lefel y buddsoddi ac arloesi a welir yng Nghymru bydd Keolis ac Amey yn symud rhannau allweddol o'u busnesau i Gymru;
As a result of our approach to the procurement and the level of investment and innovation that will be delivered in Wales both Keolis and Amey will be moving key parts of their business to Wales;