Premier League clubs spent a record combined total of almost 97 million pounds on agents' fees from October 2012 to September 2013.
Chelsea was responsible for the biggest outlay, with significant activity following the return of manager Jose Mourinho taking its spend to a whopping 13,721,721 pounds.
Manchester City, Tottenham and Liverpool were the other major spenders, with Manuel Pellegrini's side spending over 11 million pounds.
Newly-promoted Crystal Palace, which paid 869,531 pounds, is the only top-flight team to have spent less than one million pounds over the 12-month period despite making a number of signings since achieving promotion from the Championship.
The total spend of 96.67 million pounds represents a new high and an increase of almost 20 million pounds on last year's corresponding figure.
Southampton, the surprise package of the season to date, was among the lowest spenders, paying just 2,184,412 pounds to agents.
Premier League leader Arsenal and reigning champion Manchester United posted relatively modest outgoings of 5,485,961 pounds and 4,317,690 pounds respectively, having made limited additions in the recent transfer window.