How many employees work at OneOncology?
OneOncology LLC has approximately 3,830 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. OneOncology’s total headcount has grown 13.6% from 3,372 employees in 2023 to 3,830 in 2026.
Is OneOncology hiring right now?
Yes, OneOncology is actively hiring. OneOncology had 533 active job postings in 2026, a 23.5% increase from 2025 — see job openings & hiring trends.
About OneOncology’s Workforce
OneOncology LLC is a Healthcare and Wellness Services company that employs 3,830 people worldwide as of March 2026. It is the 4th-largest by headcount among its peers. Founded in 2017, the company is headquartered in Nashville, Tennessee.
OneOncology's workforce has grown 13.6% from 2023 to 2026, though it is down 0.6% year over year in 2026. Its workforce is concentrated most in North America (97.7%), followed by South Asia (1.6%) and Central America and the Caribbean (0.2%).
OneOncology's functional groups are Finance and Operations (61.9%), Engineering (20.1%), and Sales and Marketing (18.1%), with Finance and Operations growing fastest (up 2.3%). The average salary is $102,118, ranging from a median of $79,000 in North America to $3,000 in Southeast Asia, up 1.2% year over year in 2026.
OneOncology's active job postings rose 23.5% in 2026 to 533, with new postings per month cooling from 249 in 2023 to 215 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
- 3,830
- YoY
- -0.6% (+149)
As of March 2026
OneOncology workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for OneOncology. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsOneOncology Annual Employee Count (2023-2026)
- OneOncology had 3,830 employees in 2026, a 0.6% decline (+149) from 2025.
- OneOncology had 3,825 employees in 2025, a 0.1% decline (+195) from 2024.
- OneOncology had 3,630 employees in 2024, a 0.9% increase (+205) from 2023.
- OneOncology had 3,425 employees in 2023, a 0.9% decline (+56) from 2022.
OneOncology's total workforce has grown from 3,372 employees in 2023 to 3,830 in 2026.
OneOncology LLC quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 3,830 | +149 | -0.6% |
| 2025 | Q4 | 3,825 | +195 | -0.1% |
| 2025 | Q3 | 3,781 | +189 | -0.1% |
| 2025 | Q2 | 3,726 | +192 | +0.3% |
| 2025 | Q1 | 3,681 | +211 | +1.2% |
| 2024 | Q4 | 3,630 | +205 | +0.9% |
| 2024 | Q3 | 3,592 | +193 | +0.9% |
| 2024 | Q2 | 3,534 | +162 | +0.4% |
| 2024 | Q1 | 3,470 | +108 | -0.4% |
| 2023 | Q4 | 3,425 | +56 | -0.9% |
| 2023 | Q3 | 3,399 | +41 | -0.7% |
| 2023 | Q2 | 3,372 | +29 | -0.6% |
See OneOncology's complete headcount history, including quarterly breakdowns.
Get the DataOneOncology Employee Count by Region (2026)
North America accounts for the largest share of OneOncology's global workforce with approximately 98% of total employees, followed by South Asia and Central America and the Caribbean.
OneOncology employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 3,680 | 97.7% |
| South Asia | 59 | 1.6% |
| Central America and the Caribbean | 9 | 0.2% |
| Southeast Asia | 7 | 0.2% |
| South America | 6 | 0.2% |
| Central and Western Asia | 2 | 0.0% |
| Eastern Europe | 2 | 0.0% |
| Arab States | 2 | 0.0% |
| Western Europe | 1 | 0.0% |
| Pacific Islands | 1 | 0.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataOneOncology Employee Count by Department (2026)
OneOncology's employee groups are Finance and Operations (61.9%), Engineering (20.1%), and Sales and Marketing (18.1%).
OneOncology employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 2,350 | 61.9% |
| Engineering | 762 | 20.1% |
| Sales and Marketing | 687 | 18.1% |
Compare OneOncology's department mix to industry peers.
See Full DataOneOncology Employee Salary by Region (2026)
OneOncology's average employee salary is $102,118 globally. Employees in North America receive the highest compensation. Pay is lowest in Southeast Asia, at a median of $3,000.
OneOncology median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $79,000 |
| South America | $19,000 |
| Central America and the Caribbean | $17,000 |
| South Asia | $6,000 |
| Southeast Asia | $3,000 |
Unlock salary by role, level, and city — and compare to OneOncology's industry peers.
Unlock Salary DataOneOncology Job Openings and Hiring Trends (2023-2026)
- OneOncology had 533 active job postings in 2026, a 23.5% increase (+87) from 2025.
- OneOncology had 446 active job postings in 2025, a 7.7% increase (+33) from 2024.
- OneOncology had 413 active job postings in 2024, a 33.0% increase (+117) from 2023.
- OneOncology had 296 active job postings in 2023, a 23.0% increase from 2022.
- Hiring velocity in 2026: 215 new roles/month, up from 205 in 2025 and 269 in 2024.
OneOncology's active job postings rose 23.5% in 2026 to 533, with new postings per month cooling from 249 in 2023 to 215 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataOneOncology 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
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About OneOncology
- How fast is OneOncology growing?
- In 2026, OneOncology's headcount shrank 0.6% to 3,830 employees, up from 3,681 in 2025.
- See the full headcount history
- Where are OneOncology employees located?
- Most OneOncology employees are based in North America (97.7% of headcount), followed by South Asia and Central America and the Caribbean.
- Explore where the workforce is based
- What is the average salary at OneOncology?
- The average employee salary at OneOncology is approximately $102.1k per year.
- Analyze the salary distribution
- How many new job postings does OneOncology open per year?
- In Q1 2026, OneOncology opened 644 new job postings. In 2025, OneOncology opened 2,458 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.
- Compare OneOncology to industry peers
Speak with a workforce expert about OneOncology.
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