Goldman Sachs's move into the mass affluent market is likely to generate renewed growth for the American behemoth, a survey suggests.

Average investment bank revenue fell 12 percent year-on-year in Q1, and last week Goldman's chief financial officer Stephen Scherr said the firm would launch a platform that targets the next tier of wealth. The platform is likely to include digital capabilities, and some options to speak to a human adviser.

Sergel Woldemichael, wealth management analyst at GlobalData, said technology m...