UBS is expanding an internal group focused on better serving rich clients interested in private investments. An increasing number of ultra-high-net-worth and family office clients "are actively seeking private markets opportunities," executives Tom Naratil, Suni Harford, and Robert Karofsky wrote in a Tuesday memo reviewed by Business Insider. The new effort, which is being coordinated across the bank, underlines sophisticated investors' growing appetite for access to private investments over the public markets. Visit BI Prime for more stories.