National law firm Weightmans looks set to enter the UK top 50 after posting annual turnover of £77.1m for 2011-12 – an increase of nearly 33%.

The £19m increase from last year’s figure of £58m includes £15m of fee income gained from its merger with employment and disputes boutique Mace & Jones last May and its acquisition of regional firm Vizards Wyeth’s insurance division in April 2011.