The Big Four firms have added more than $10bn to their combined value over the past 12 months.

Axar.az reports citing APA.

PwC is the 50th most valuable global brand, jumping 16 places since last year. Its total value has increased significantly to $22.28bn, from $18.5bn in 2017.

Of the big accountancy firms, Deloitte was closest in 59th place, from 77th in 2017. Its total value also rocketed to $20.83bn, from $16.7bn last year. EY was valued at $17.13bn ($13.35bn in 2017), jumping from 98th to 84th, according to the Brand Finance global 500 annual report.

KPMG was 119th with a brand value of $12.47bn, compared to $10.97bn last year.