How many employees work at OneOncology?

OneOncology LLC has approximately 3,222 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. OneOncology’s total headcount has grown 23.4% from 2,611 employees in 2023 to 3,222 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is OneOncology hiring right now?

Yes, OneOncology is actively hiring. OneOncology had 532 active job postings in 2026, a 23.1% increase from 2025 — see job openings & hiring trends.

About OneOncology’s Workforce

OneOncology LLC is a Healthcare and Wellness Services company that employs 3,222 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 2017, the company is headquartered in Nashville, Tennessee.

OneOncology's workforce has grown 23.4% from 2023 to 2026, though it is down 1.0% year over year in 2026. Its workforce is concentrated most in North America (96.2%), followed by South Asia (2.8%) and Central America and the Caribbean (0.5%).

OneOncology's functional groups are Finance and Operations (63.1%), Sales and Marketing (19.0%), and Engineering (17.9%), with Finance and Operations growing fastest (up 3.1%). The average salary is $102,606, ranging from a median of $84,000 in North America to $4,000 in Central America and the Caribbean, up 1.7% year over year in 2026.

OneOncology's active job postings rose 23.1% in 2026 to 532, with new postings per month cooling from 248 in 2023 to 214 in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Headquarters
Nashville, Tennessee
Founded
2017
Industry
Healthcare and Wellness Services
Employees
3,222
YoY
-1.0% (+185)

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OneOncology Annual Employee Count (2023-2026)

Interactive chart of OneOncology annual worldwide employee count from 2023 to 2026.
  • OneOncology had 3,222 employees in 2026, a 1.0% decline (+185) from 2025.
  • OneOncology had 3,214 employees in 2025, a 0.1% increase (+234) from 2024.
  • OneOncology had 2,980 employees in 2024, a 3.1% increase (+310) from 2023.
  • OneOncology had 2,670 employees in 2023, a 1.1% decline (+59) from 2022.

OneOncology's total workforce has grown from 2,611 employees in 2023 to 3,222 in 2026.

OneOncology LLC quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q13,222+185-1.0%
2025Q43,214+234+0.1%
2025Q33,149+231+0.3%
2025Q23,082+262+1.7%
2025Q13,037+310+3.8%
2024Q42,980+310+3.1%
2024Q32,918+268+2.8%
2024Q22,820+209+1.4%
2024Q12,727+127-0.3%
2023Q42,670+59-1.1%
2023Q32,650+54-0.6%
2023Q22,611+24-0.7%

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OneOncology Employee Count by Region (2026)

North America accounts for the largest share of OneOncology's global workforce with approximately 96% of total employees, followed by South Asia and Central America and the Caribbean.

OneOncology employees by region

RegionEmployees% of Total
North America3,03196.2%
South Asia892.8%
Central America and the Caribbean150.5%
South America90.3%
Eastern Europe20.1%
Southeast Asia20.1%
Pacific Islands20.0%

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OneOncology Employee Count by Department (2026)

OneOncology's employee groups are Finance and Operations (63.1%), Sales and Marketing (19.0%), and Engineering (17.9%).

OneOncology employees by department

DepartmentEmployees% of Total
Finance and Operations2,03063.1%
Sales and Marketing61219.0%
Engineering57617.9%

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OneOncology Employee Salary by Region (2026)

OneOncology's average employee salary is $102,606 globally. Employees in North America receive the highest compensation. Pay is lowest in Central America and the Caribbean, at a median of $4,000.

OneOncology median employee salary by region (USD)

RegionMedian Salary
North America$84,000
South America$19,000
South Asia$6,000
Central America and the Caribbean$4,000

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OneOncology Job Openings and Hiring Trends (2023-2026)

Interactive chart of OneOncology annual active job postings from 2023 to 2026.
  • OneOncology had 532 active job postings in 2026, a 23.1% increase (+87) from 2025.
  • OneOncology had 445 active job postings in 2025, a 7.2% increase (+31) from 2024.
  • OneOncology had 414 active job postings in 2024, a 35.2% increase (+124) from 2023.
  • OneOncology had 290 active job postings in 2023, a 21.0% increase from 2022.
  • Hiring velocity in 2026: 214 new roles/month, up from 205 in 2025 and 269 in 2024.

OneOncology's active job postings rose 23.1% in 2026 to 532, with new postings per month cooling from 248 in 2023 to 214 in 2026.

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OneOncology Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across OneOncology's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About OneOncology

How fast is OneOncology growing?
In 2026, OneOncology's headcount shrank 1.0% to 3,222 employees, up from 3,037 in 2025.
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Where are OneOncology employees located?
Most OneOncology employees are based in North America (96.2% of headcount), followed by South Asia and Central America and the Caribbean.
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What is the average salary at OneOncology?
The average employee salary at OneOncology is approximately $102.6k per year.
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How many new job postings does OneOncology open per year?
In Q1 2026, OneOncology opened 642 new job postings. In 2025, OneOncology opened 2,455 new job postings — about 205 per month.
Track hiring trends by role
When was OneOncology founded and where is it headquartered?
OneOncology was founded in 2017 and is headquartered in Nashville, Tennessee.
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