The index ranks employers according to who has taken the most action on social mobility in the workplace. 119 employers across 18 different sectors took part, answering about 100 questions in seven key areas.
PwC retained its crown as number one in the UK, having shown continuous improvement.
Bryan Cave Leighton Paisner achieved top ranking among law firms, at number four in the index, with Browne Jacobson hot on its heels at number five, the Ministry of Justice at number six, Herbert Smith Freehills at number seven, Baker McKenzie in 10th place and Linklaters in 11th place.
Next up were Freshfields Bruckhaus Deringer at number 19, Hogan Lovells International at number 20, Brodies in 24th place, Slaughter and May in 25th place, Allen & Overy 28th, Pinsent Masons 30th, RPC 35th, Shoosmiths 38th, Burges Salmon 39th, DWF 40th and CMS 41st.
Also highly ranked were Squire Patton Boggs (46th), Freeths (51st), Shepherd and Wedderburn (52nd), The Honourable Society of the Inner Temple (53rd), Crown Prosecution Service (55th), Simmons & Simmons (57th), Lewis Silkin (59th), Radcliffe Chambers (61st), Mayer Brown International (66th), MacFarlanes (67th) and Charles Russell Speechlys at number 72.
Law Society president David Greene said: ‘For our profession to thrive, we need talented individuals from diverse backgrounds.
‘The law offers a highly rewarding career path and any aspiring solicitor should be able to access and progress in the profession―regardless of their socio-economic background.’