JP Morgan Cazenove

Key people: David Mayhew, chairman; Ed Byers, head of corporate broking Number of FTSE 100 clients: 36 (+2) Top mandates: Tesco, BT, Vodafone Trusted adviser to more than a third of the 100 largest companies in the UK, JP Morgan Cazenove is synonymous with corporate broking. In a torrid year for the industry, JP Morgan Cazenove put more distance between itself and its rivals, overtaking UBS and Goldman Sachs to become number one by the market cap and profitability of its client base while retaining the top spot by client number.