# UKG (Ultimate Kronos Group)

> UKG (Ultimate Kronos Group) is an American workforce management and human capital management software company formed in 2020 from the merger of Kronos Incorporated and Ultimate Software. It builds cloud HR, payroll, scheduling, time-and-attendance, and culture technology - anchored by its UKG Pro and UKG Ready suites - for more than 80,000 organizations worldwide, with a particular focus on managing frontline and hourly workforces.

- **Founded:** 2020
- **Headquarters:** Lowell, Massachusetts and Weston, Florida, USA (dual headquarters)
- **Founders:** Mark S. Ain (Founder of Kronos Incorporated (1977), predecessor company), Scott Scherr (Founder of Ultimate Software (1990), predecessor company), Aron Ain (Founding CEO of UKG; former Kronos CEO; later Executive Chairperson)
- **Team size:** 12,000+ employees (roughly 12,750 reported), following a ~14% workforce reduction in 2024
- **Products:** UKG Pro, UKG Ready, UKG Pro Workforce Management (formerly UKG Dimensions), UKG Bryte AI, Great Place To Work
- **Notable:** Formed one of the world's largest cloud HR and workforce management companies via the 2020 Kronos-Ultimate Software merger, valued at $22 billion., Serves more than 80,000 organizations globally across every industry and company size., Acquired Great Place To Work, giving it one of the largest proprietary datasets on workplace culture.

## Products & services

- **UKG Pro** — AI-first human capital management (HCM) suite for mid-to-large and complex global enterprises, covering HR, payroll, talent, workforce management, and analytics.
- **UKG Ready** — All-in-one HR, payroll, talent, and workforce management platform tailored for small and emerging businesses, emphasizing fast time-to-value.
- **UKG Pro Workforce Management (formerly UKG Dimensions)** — Cloud time, attendance, scheduling, and labor management for complex, shift-based and frontline operations.
- **UKG Bryte AI** — AI agents and assistant embedded across UKG Pro and UKG Ready, trained on decades of workforce and Great Place To Work culture data to guide managers, admins, and employees.
- **Great Place To Work** — Culture research and certification business acquired in 2021, providing benchmarking data now integrated into UKG's platform and AI.

## Achievements

- Formed one of the world's largest cloud HR and workforce management companies via the 2020 Kronos-Ultimate Software merger, valued at $22 billion.
- Serves more than 80,000 organizations globally across every industry and company size.
- Acquired Great Place To Work, giving it one of the largest proprietary datasets on workplace culture.
- Consistently recognized on 'best workplace' and HR technology leadership lists, and positioned as a leader in analyst evaluations of HCM software.
- Launched Bryte AI in 2025, embedding AI agents across its flagship suites.

## Latest updates

- **2025-06** — UKG unveiled Bryte AI agents and expanded AI capabilities across the UKG Pro HCM suite, going 'all in' on AI for workforce technology.
- **2025-11** — Acquired Mo, a UK-based employee recognition and engagement platform, to strengthen its culture and engagement offerings.
- **2024-07** — Jennifer Morgan, former SAP co-CEO, appointed CEO of UKG; the company also eliminated about 2,250 positions (~14% of staff).
- **2023-05** — Kronos/UKG agreed to a ~$6 million settlement resolving class-action litigation tied to the 2021 ransomware attack.

## Links

- Website: https://www.ukg.com
- LinkedIn: https://www.linkedin.com/company/ukg
- Twitter/X: https://twitter.com/UKGInc
- YouTube: https://www.youtube.com/c/UKGInc
- Instagram: https://www.instagram.com/ukginc/
- Facebook: https://www.facebook.com/UKGInc/

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Last updated: 2026-07-16