Olswang has more than doubled the value of pro bono advice handed out by its lawyers in 2011-12 compared with the previous year to more than £1m.

The firm's corporate social responsibility (CSR) report shows the UK top 30 firm carried out £1.3m of pro bono legal advice during the last financial year, compared with £518,692 during 2010-11.

The jump in value comes against a 6% increase in the number of hours dedicated to pro bono work to 11,191, compared with 10,569 the previous year.