According to charts from the fourth quarter, DLA jumped from fourth place to number one after bagging six new AIM clients, taking its tally up from 46 to 52. Norton Rose, meanwhile, has slipped to third place behind Eversheds, which held on to the number two spot.
There has been no change in the FTSE100 rankings, with M&A powerhouse Slaughter and May continuing to top the table. However, Slaughters' FTSE 100 client list has continued to shrink, and has fallen to 25 companies following the takeover of BOC Group by Germany's Linde and Schroders dropping out of the FTSE100.
Standard Life, meanwhile, helped Slaughters to gain a FTSE100 client after the firm advised the company on its demutualisation and London Stock Exchange listing earlier this year.
Slaughters, which had 29 FTSE100 clients in the first quarter, also risks losing Corus as a client as it is in takeover talks with India-based Tata.
The frenzy of foreign takeovers has also resulted in client losses for Linklaters and Freshfields Bruckhaus Deringer. But despite these losses, the magic circle firms retained the number two and three spots. Herbert Smith and Lovells both gained clients, but failed to move up the chart.