Deloitte is a major professional services provider and has around 12,000 partners and staff in the UK. In the United Kingdom, Deloitte works with a majority of the FTSE 100 and many branches of government. Our advisory work spans audit, accountancy, tax, corporate finance and consulting. Deloitte LLP is the United Kingdom member firm for Deloitte Touche Tohmatsu, a Swiss Verein. Please install Adobe Flash Player .