Parent company HSBC is willing to inject capital to help build the business, although a capital increase for the German unit HSBC Trinkaus is not necessary for now, Schmitz said.
W&G Investments Plc, the investment vehicle led by former Tesco Plc Finance Director Andrew Higginson, plans to make a formal bid today of as much as 1.5 billion pounds ($2.4 billion) for 316 Royal Bank of Scotland Group Plc branches.
Commerzbank, which increased capital for the fifth time in four years in May to repay the state aid from 2009, is grappling with souring loans in shipping and commercial real estate.
Italy's top bank, UniCredit, reported on Tuesday a net profit of 810 million euros in the first six months of 2013, down 25.2 percent from the outcome for the same period last year.
Royal Bank of Scotland said Ross McEwan will take over as its new chief executive in October, just over a year after he arrived to run its retail bank, as the state-backed bank reported a return to profit in the first half of the year.