Deloitte: Profit up despite revenue slip amid ‘tougher market’Deloitte ‘s UK revenue fell one per cent during its latest financial year. Profit at the UK arm of Big Four giant Deloitte rose during its latest financial year despite its revenue falling as it made “changes” to its structure. Deloitte’s tax and legal business recorded a seven per cent revenue growth from £1.25bn to £1.33bn. Richard Houston, Deloitte UK senior partner and CEO, said: “This is a robust set of results in a complex market. The firm said it is now generating over one million prompts per month from Deloitte UK employees alone.