Investigations & reviews

We may conduct an investigation if we have reason to believe an MP could have received an amount from IPSA that should not have been allowed under the Scheme of MPs' Staffing and Business Costs.

Investigations and reviews large

Find out more about making a complaint.

All our open and closed investigations are listed below, along with statistics on the number of cases we have handled.

Open investigations

Notice of investigation – Tahir Ali MP (3 April 2025)

Making a complaint

Learn more about complaints.

Learn about making a complaint