“Byddai dim cytundeb yn dod â heriau na welwyd erioed o’r blaen i economi Cymru, ond mae llawer o waith da yn cael ei wneud i sicrhau bod ein busnesau mor barod â phosib i fynd i’r afael â hwy
“No-deal would bring with it unprecedented challenges to the Welsh economy but there is a huge amount of good work happening to ensure our businesses are as ready as they can be to tackle them.