ANZ has outsourced the investment administration for its ANZ Private clients, appointing platform operator Netwealth as preferred vendor.Netwealth will provide ANZ Private with a multi-asset, multi-currency investment offering, including discretionary managed portfolios, domestic and international equities and bonds, domestic managed funds, term deposits and foreign currency.ANZ will make the new service available to ANZ Private clients in July.The deal is a feather in the cap for Netwealth, which was listed on the ASX in 2017 and was the fastest growing investment administration business in Australia last year.At September 30 last year, ANZ Private had A$1.4 billion of funds under management.