The document discusses the business case and ROI for adopting SaaS HR solutions. It states that companies that adopt HR solutions outperform competitors based on financial benchmarks and have more flexible cost structures, with average annual HR administration costs being over $1k less per employee for those with an HR system. The reasons why companies are buying HR solutions are for employee and manager self-service, talent management automation, HR systems strategy, portal and transaction cost reductions, and workforce optimization.