The Ultimate Software Group Inc., a human capital management solutions provider based in Weston, Fla., has merged with workforce management software provider Kronos Inc., both of which are portfolio companies of Hellman&Friedman, Blackstone, and other investors. We are affirming our 'B-' issuer credit rating on Ultimate. We are affirming our 'B' issue-level rating on the first-lien term loan; the '2' recovery rating is unchanged. The existing privately placed second-lien term loan remains unrated. Effective Apr. 1, 2020, Kronos has become a non-guarantor subsidiary of Ultimate. All our ratings on Kronos Inc. are unchanged. Our stable outlook on Ultimate reflects our view of its highly recurring revenue resulting from its SaaS business model (pro forma with Kronos), and our