PSP Capital, a private equity fund, completed the acquisition of Ntiva, a provider of managed IT services, managed security services, strategic consulting, cloud solutions, unified communications and other technology services, from Southfield Capital, a private equity firm. Financial terms were not disclosed. "Our DNA for years has been to build durable, enduring businesses and that's why we are incredibly pleased to announce our partnership with Steven and the Ntiva team," Penny Pritzker, PSP Partners Chairman.