Awdurdod annibynnol y Deyrnas Unedig a sefydlwyd i gynnal hawliau gwybodaeth er budd y cyhoedd, annog cyrff cyhoeddus i fod yn agored a hybu preifatrwydd data i unigolion.

Darganfyddwch beth allwch chi ei wneud nesaf os ydych chi wedi cael problem cael gafael ar eich gwybodaeth bersonol neu os ydych chi'n poeni am y ffordd y mae sefydliad yn trin eich gwybodaeth bersonol.

If you submit a complaint you’ll need to provide us with the following information:

  • copies of any letters or emails, between you and the organisation that contain details of your complaint;
  • any evidence that shows the organisation has not complied with data protection law; and
  • a letter of consent from the person the complaint is about, if you are complaining for someone else.

If you do not provide the information we require, it may delay the progress of your complaint.

You should also read about what to expect from the ICO when you complain. You can find out how long our complaints process takes and what the likely outcome could be.