We have pulled together some key business advice to help you with the preparations and steps that may need to be taken in the event of Britian leaving the European Union.
Rydym wedi creu canllaw syml a fydd yn rhoi cyngor busnes ar baratoadau a’r camau y gallai fod angen eu cymryd cyn i Brydain gadael yr Undeb Ewropeaidd.