How many employees work at Atreo?
Atreo, Inc. has approximately 63 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Atreo’s total headcount has grown 141.3% from 26 employees in 2023 to 63 in 2026.
Is Atreo hiring right now?
No, Atreo is not actively hiring. Atreo had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About Atreo’s Workforce
Atreo, Inc. is a Biotech and Healthcare Services company that employs 63 people worldwide as of March 2026. It is the 6th-largest by headcount among its peers. Founded in 1997, the company is headquartered in San Francisco, California.
Atreo's workforce has grown 141.3% from 2023 to 2026, up 1.7% year over year in 2026. Its workforce is concentrated most in North America (86.7%), followed by East Asia (7.7%) and Northern Europe (5.6%).
Atreo's functional groups are Finance and Operations (49.5%), Engineering (33.4%), and Sales and Marketing (17.1%), with Finance and Operations growing fastest (up 5.2%). The average salary is $150,404, highest in North America at a median of $140,000, up 3.9% year over year in 2026.
Atreo's hiring activity held steady in 2026.
Sourced from Revelio Labs workforce data.
- Headquarters
- San Francisco, California
- Founded
- 1997
- Industry
- Biotech and Healthcare Services
- Employees
- 63
- YoY
- +1.7% (+5)
As of March 2026
Atreo workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Atreo. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsAtreo Annual Employee Count (2023-2026)
- Atreo had 63 employees in 2026, a 1.7% increase (+5) from 2025.
- Atreo had 61 employees in 2025, a 7.7% increase (+12) from 2024.
- Atreo had 49 employees in 2024, a 13.5% increase (+18) from 2023.
- Atreo had 31 employees in 2023, a 4.7% increase (+8) from 2022.
Atreo's total workforce has grown from 26 employees in 2023 to 63 in 2026.
Atreo, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 63 | +5 | +1.7% |
| 2025 | Q4 | 61 | +12 | +7.7% |
| 2025 | Q3 | 61 | +18 | +14.0% |
| 2025 | Q2 | 63 | +24 | +18.9% |
| 2025 | Q1 | 58 | +27 | +21.7% |
| 2024 | Q4 | 49 | +18 | +13.5% |
| 2024 | Q3 | 43 | +16 | +9.2% |
| 2024 | Q2 | 39 | +13 | +6.9% |
| 2024 | Q1 | 31 | +7 | +0.2% |
| 2023 | Q4 | 31 | +8 | +4.7% |
| 2023 | Q3 | 27 | +4 | +0.4% |
| 2023 | Q2 | 26 | +5 | +10.1% |
See Atreo's complete headcount history, including quarterly breakdowns.
Get the DataAtreo Employee Count by Region (2026)
North America accounts for the largest share of Atreo's global workforce with approximately 87% of total employees, followed by East Asia and Northern Europe.
Atreo employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 51 | 86.7% |
| East Asia | 5 | 7.7% |
| Northern Europe | 3 | 5.6% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataAtreo Employee Count by Department (2026)
Atreo's employee groups are Finance and Operations (49.5%), Engineering (33.4%), and Sales and Marketing (17.1%).
Atreo employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 31 | 49.5% |
| Engineering | 21 | 33.4% |
| Sales and Marketing | 11 | 17.1% |
Compare Atreo's department mix to industry peers.
See Full DataAtreo Employee Salary by Region (2026)
Atreo's average employee salary is $150,404 globally. Employees in North America receive the highest compensation.
Atreo median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $140,000 |
Unlock salary by role, level, and city — and compare to Atreo's industry peers.
Unlock Salary DataAtreo Job Openings and Hiring Trends (2023-2026)
- Atreo had 0 active job postings in 2026, a 0% no change from 2025.
- Atreo had 0 active job postings in 2025, a 0% no change from 2024.
- Atreo had 0 active job postings in 2024, a 0% no change from 2023.
- Atreo had 0 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 0 in 2024.
Atreo's hiring activity held steady in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataSimilar Companies
Similar Biotech and Healthcare Services Companies by Employee Count
Frequently Asked Questions About Atreo
- How fast is Atreo growing?
- In 2026, Atreo's headcount grew 1.7% to 63 employees, up from 58 in 2025.
- See the full headcount history
- Where are Atreo employees located?
- Most Atreo employees are based in North America (86.7% of headcount), followed by East Asia and Northern Europe.
- Explore where the workforce is based
- What is the average salary at Atreo?
- The average employee salary at Atreo is approximately $150.4k per year.
- Analyze the salary distribution
- How many new job postings does Atreo open per year?
- In Q1 2026, Atreo opened 0 new job postings. In 2025, Atreo opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was Atreo founded and where is it headquartered?
- Atreo was founded in 1997 and is headquartered in San Francisco, California.
- Compare Atreo to industry peers
Speak with a workforce expert about Atreo.
Book a DemoSee something that doesn't look right? Reach out and our team will review it.