Headquarters
Weston, FLFounded
2020CEO / Founder
Jennifer MorganEmployees
10000+Funding
Private EquityProducts
1 product listedAvg. AI Score
7.4/10Website
www.ukg.com/Profile updated
UKG Inc. (Ultimate Kronos Group) is a privately held human capital management (HCM) and workforce management software company headquartered in Weston, Florida. It was formed in April 2020 through the merger of Ultimate Software, founded in 1990, and Kronos Incorporated, founded in 1977 in Lowell, Massachusetts. Jennifer Morgan became CEO in 2024.
The company's flagship product, UKG Pro, is a cloud-based platform integrating payroll processing, HR administration, talent management, and workforce scheduling, serving over 80,000 organizations globally. UKG also offers UKG Ready for mid-market customers and UKG Dimensions for enterprise workforce management. In 2021, UKG acquired Great Place to Work, a workplace culture research and consulting firm.
UKG is majority-owned by Hellman & Friedman, with minority stakes held by Blackstone, GIC, and CPP Investments. The combined entity was valued at approximately $22 billion at its formation and employs roughly 12,000 people worldwide. The company reported approximately $4.3 billion in revenue for fiscal year 2023.
Dated, source-cited figures. Estimates are marked.
All products by UKG Inc. reviewed by our AI panel of experts.
Six independent reviewer personalities assessed UKG Inc.'s product on their own terms. They disagreed by 1.6 points — The Finance Lead was the hardest to convince, The Decision Maker the most positive.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who UKG Inc. competes with, and how they differ.
Dayforce (formerly Ceridian) markets a single continuous-calculation payroll engine that recomputes pay as data changes, competing head-to-head with UKG for large, multi-state enterprise payroll deals rather than UKG's more batch-oriented payroll cycle.
1 product reviewed on TopReviewedWorkday is the enterprise benchmark for very large global organizations (10,000+ employees), with multi-year partner-led implementations and premium list pricing, versus UKG's stronger fit for shift-based, hourly workforces at lower total cost of ownership.
ADP Workforce Now grew out of ADP's decades-old payroll-bureau business and is typically chosen for compliance-first, payroll-heavy mid-market and enterprise deployments, whereas UKG leads on workforce scheduling and time-and-attendance depth.
1 product reviewed on TopReviewedSAP SuccessFactors is embedded in the broader SAP ERP ecosystem with payroll and localization across 100+ countries, making it the default pick for existing SAP customers rather than a shift-scheduling specialist like UKG.
Key milestones in UKG Inc.'s history, with sources.
Jennifer Morgan named UKG CEO
Jennifer Morgan, former SAP co-CEO and, most recently, Blackstone's global head of portfolio operations, was named UKG CEO, succeeding Chris Todd, who had led UKG since 2022 after 17 years at the company.
techrseries.comUKG cuts ~14% of workforce to redirect spend to AI
UKG laid off roughly 2,100 of its ~15,000 employees, redirecting an estimated $250-350 million toward AI investment, customer success and SMB/mid-market sales and marketing.
joshbersin.comUKG refinances debt with $2.5B notes offering
UKG completed a $2.5 billion Senior Secured Notes offering (6.875% due 2031) alongside a new $5.385 billion first-lien term loan and a $945 million revolving credit facility, refinancing its existing credit facilities.
stblaw.comUKG settles ransomware class-action lawsuit
UKG agreed to settle a class-action lawsuit tied to the 2021 Kronos Private Cloud ransomware attack for up to $6 million, while denying wrongdoing, and committed roughly $1.5 million to improve its cybersecurity defenses.
cybersecuritydive.comRansomware attack disables Kronos Private Cloud
A ransomware attack, discovered Dec. 11, 2021, took down UKG's Kronos Private Cloud platform (UKG Workforce Central, TeleStaff, Healthcare Extensions, Banking Scheduling Solutions), disrupting payroll and scheduling for roughly 2,000 customer organizations for weeks.
shrm.orgCombined company takes the name UKG
Six months after the merger closed, the combined Kronos/Ultimate Software entity adopted the name UKG (Ultimate Kronos Group), effective October 1, 2020.
hrdive.comKronos and Ultimate Software complete merger
The all-stock merger closed, combining the two companies (~$3B revenue, ~12,000 employees) under Kronos CEO Aron Ain, with Hellman & Friedman as controlling shareholder and Blackstone, GIC, CPP Investments and JMI Equity as minority investors.
hcamag.comKronos and Ultimate Software announce merger agreement
The two Hellman & Friedman-owned companies announced a definitive merger agreement to combine into one company valued at $22 billion.
hrdive.comUltimate Software acquired by Hellman & Friedman-led group (UKG predecessor)
An investor group led by Hellman & Friedman, with Blackstone, GIC, CPP Investments and JMI Equity, completed the ~$11B acquisition of Ultimate Software at $331.50/share, taking it private ahead of its 2020 merger with Kronos.
sec.govKronos taken private by Hellman & Friedman (UKG predecessor)
Hellman & Friedman Capital Partners VI, with JMI Equity, completed the $1.8B acquisition of Kronos Incorporated at $55.00/share, taking it private. Hellman & Friedman remains UKG's controlling shareholder today.
sec.govThe Ultimate Software Group founded (UKG predecessor)
Scott Scherr founded The Ultimate Software Group, Ltd., maker of the UltiPro HCM platform, per Ultimate Software's own SEC proxy filing. Ultimate later merged with Kronos in 2020 to form UKG.
sec.govKronos Incorporated founded (UKG predecessor)
Mark S. Ain founded Kronos Incorporated, a time-and-attendance systems maker that later became one of the two companies whose 2020 merger formed UKG.
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