Goldman Sachs, whose corporate broking clients are on average more active users of investment banking services than those of rival firms, has added two blue-chip companies in as many days to its UK roster.

This week Goldman Sachs International picked up corporate broking mandates from software giant Autonomy, which is one of the 100 largest UK listed companies, and infrastructure firm Balfour Beatty, which has a market capitalisation of over £2bn.