Question to the Home Office:

To ask the Secretary of State for the Home Department, how many complaints have been referred to Professional Standards Unit in last five years, how were they categorised and how many were (a) upheld and (b) rejected.

The Professional Standards Unit (PSU) received 1265 referrals of complaint between 1 April 2020 to 5 December 2025

The complaints were categorised as, Assault, Corruption, Failure in Duty or Care, Honesty and Integrity Issues, Racism and other Discrimination, Sexual Assault, Sexual Harassment, Theft, Unfair Treatment and Unprofessional Conduct

Of the referrals received, 291 were investigated by the PSU with the remaining referrals cascaded to local complaint teams in the Home Office.

42 investigations substantiated or partially substantiated the allegations made by the complainant and 249 were unsubstantiated.