KPMG has overtaken PwC in the FTSE 250 and Deloitte in the FTSE 100 audit rankings, according to the Auditor Rankings list from Adviser Rankings.

PwC dropped to third in FTSE 250 during Q4 as KPMG took second place and Deloitte remained top of the list, EY sat in fourth position followed by Grant Thornton and RSM. In the FTSE 100 rankings KPMG positioned second after PwC, overtaking Deloitte.

BDO topped the list of AIM clients, and KPMG took the top position of total stock market clients overall followed by PwC, Deloitte and BDO.