Trying to do that across however many Welsh public sector organisations is 10 times harder than centralising lots of those functions and doing it out of one place.”
Mae ceisio gwneud hynny ar draws nifer o sefydliadau’r sector cyhoeddus yng Nghymru 10 gwaith yn anoddach na chanoli llawer o’r swyddogaethau hynny a’u cyflawni mewn un man.”