Are you aware that your firm is responsible for assessing and evidencing the competence of the Client Assets Handbook (CASS) Auditor?
In addition the FRC standard places obligations on CASS auditors to assess their ability to comply with all requirements, demonstrate their independence and has competent experienced qualified professionals that understand your firms business, its processes and its industry.
For further details see the revised FRC Standard: https://www.frc.org.uk/getattachment/7b2329e7-5035-416d-a19c-7e2e11e08731/CASS-Standard-Nov-2019-With-Cover.pdf