The UK’s top 100 law firms recorded average fee income growth of almost 7% for the last financial year, according to new research from professional services giant Deloitte.

The results of Deloitte’s quarterly law firm survey show the group concluded 2011-12 with a year-on-year Q4 increase of 6.3%, meaning that for the year as a whole, revenues across the group grew by an average of 6.6%.