How many employees work at OneOncology?
OneOncology LLC has 3,105 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.5%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About OneOncology
OneOncology is a partnership of independent community oncology practices committed to driving the future of cancer care delivery through a patient-centric, physician-driven, and technology-powered model to help improve the lives of everyone living with cancer. OneOncology empowers community oncology practices by supporting the entire continuum of care, including prevention and diagnosis, research and treatment, and long-term survivorship, palliative, and hospice care. Our technology provides access to key clinical and operational data and the latest research via a cloud-based network. This comprehensive approach supports community oncologists’ transition to value-based care and commitment to providing their patients with access to best-in-class healthcare, close to home. For OneOncology, cancer is personal, and the mission is critical. Working together with world class oncologists, OneOncology looks to drive the change that community cancer needs through continual learning, creative and smart evolution, and a collective desire to positively impact the lives of every person touched by cancer. To learn more, visit www.oneoncology.com or follow us on Twitter @OneOncology.
As of December 2025
OneOncology
workforce metrics
Headcount
3.1k
Avg. Salary
$107.2k
Tenure
4.7yr
Growth Rate
6.5%
Hiring Rate
Attrition Rate
For even more metrics data,
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Employee Headcount
Interactive chart of OneOncology annual worldwide employee count from 2023 to 2025.
- OneOncology total number of employees in 2025 was 3,105, a 6.5% increase from 2024.
- OneOncology total number of employees in 2024 was 2,910, a 4.9% increase from 2023.
- OneOncology total number of employees in 2023 was 2,772, a 1.4% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of OneOncology annual active job postings from 2023 to 2025.
- OneOncology active job postings in 2025 was 387, a 1.3% increase from 2024.
- OneOncology active job postings in 2024 was 382, a 39.1% increase from 2023.
- OneOncology active job postings in 2023 was 257, a 15.5% increase from 2022.
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Employee Sentiment
Sentiment Topics
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