PricewaterhouseCoopers has reported that its revenues worldwide have climbed 8% to $28.2bn.

The firm's advisory business rocketed by 14% to $6.9bn while tax also saw double digit growth of 13% to $7.5bn.

However, assurance saw dramatically more modest growth of just 3% to $13.8bn.

Geographically the key performance came in Asia where members posted a rise of of 21% while the Middle East and Africa were close behind with 20%. North America suffered the most disappointng result with growth of just 2% while weaster europe clocked up 8%.

Sam DiPiazza, PricewaterhouseCoopers International chief executive, said: 'Despite the challenges posed by the continuing credit crunch particularly, in developed markets, PwC’s results held up well, and all of our lines of business and firms continue to grow.'

the firm has also confimed its restructuring into three clusters with UK chief Ian Powell heading up the firm's new 'central' cluster. The western cluster will be under the leadership of US senior partner Dennis Nally, while Silas Yang, senior partner of PwC China takes over leadership of the eastern cluster.