5 Largest Accountancy Firms in London and New York

These are the five largest accountancy and business services firms headquartered in London and New York by revenue (2009 figures)

1. PricewaterhouseCoopers, London

$26.2bn (£16.98bn)

2. Deloitte, New York City*

$26.1bn (£16.91bn)

3. Ernst & Young, London

$21.4bn (£13.86bn)

4. RSM International, London

$3.87bn (£2.5bn)

5. Grant Thornton, London

$3.6bn (£2.33bn)

*Although Deloitte has it's global headquarters in New York, it is a UK private company founded in London.