Ferdinand Roberts kept being asked the same question. As he approached private equity and venture capital firms to see if they wanted to become customers, they kept on wondering if he was raising more capital. Roberts had already raised $3 million from Atlanta-based Angel Oak Ventures, and he was winning sales for his investment management software solutions firm, Asset Class. “We found that people we were talking to wanted to be a client, but they could also see we were solving a problem in their industry, so they wanted to invest,” he said. Within months, Roberts was finalising a $11.6…