PrismHR is one of the best HR software providers for Adminstrative Service Organizations (ASOs). PrismHR software meets the needs of Human Resource Outsourcing organizations, with cloud-based payroll, benefits, back office, HR administration, employee onboarding, benefits enrollment, and self-service software modules. This is the most comprehensive software for PEOs. Best human resource outsourcing software organization. Visit prismhr.com, or call us at 508-747-7261 and 877-837-4311.