Deloitte has announced that its global revenues totalled $27.4 billion (£13.6 billion) worldwide during the fiscal year 2008.
The data represents an 18 per cent increase from the figures in 2007.
Deloitte's
financial advisory service grew the most by 26.6 per cent, with consulting following it at 22.2 per cent.
Its tax services grew 20.4 per cent, with auditing seeing a 14.8 per cent rise.
Over the year the firm grew by 15,000 people, with 90 per cent growth experienced in its offices in Brazil, Russia, India and China.
Jim Quigley, Deloitte's global chief executive, said that its "strong global culture unites all of our people".
"Our results show that our client-centric business model built upon a global culture of consultation and collaboration—and delivery through strong member firms with global connections—is a winning strategy," added Mr Quigley.
Deloitte recently announced that the number of administration figures in the UK dipped by 18 per cent in the second quarter of 2008.
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