How many employees work at Rezon Bio?
Rezon Bio has approximately 1,213 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. Rezon Bio's total headcount has grown 1512.3% from 75 employees in 2023 to 1,213 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is Rezon Bio hiring right now?
Yes, Rezon Bio is actively hiring. Rezon Bio had 3 active job postings in 2025, a 200.0% increase from 2024 — see job openings & hiring trends.
About Rezon Bio's Workforce
Rezon Bio is a Pharmaceuticals company that employs 1,213 people worldwide as of December 2025. It is the largest by headcount among its peers. The company is headquartered in Gdansk, Poland.
Rezon Bio's workforce has grown 1,512.3% from 2023 to 2025, and is up 167.2% year over year in 2025. Its workforce is concentrated most in Poland (98.8%), followed by the United States (0.6%) and Switzerland (0.3%), with the United States, its fastest-growing location, up 100.0%.
Rezon Bio's largest functional groups are Finance and Operations (50.1%), Engineering (29.3%), and Sales and Marketing (20.6%), with Sales and Marketing growing fastest (up 89.3%). Median employee tenure is 0.8 years. The average salary is $29,312, ranging from a median of $137,000 in Western Europe to $22,000 in Eastern Europe.
Rezon Bio's active job postings rose 200.0% in 2025 to 3, with new postings per month climbing from 0 in 2023 to 1 in 2025.
Sourced from Revelio Labs workforce data.
As of December 2025
Rezon Bio
workforce metrics
Headcount
1.2k
167.2% YoY
Avg. Salary
$29.3k
11.2% YoY
Tenure
0.8yr
1.7yr YoY
Growth Rate
167.2%
153.8pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Rezon Bio. Compare to peers, export the dataset, and access the full quarterly history.
- Rezon Bio had 1,213 employees in 2025, a 167.2% increase (+1,105) from 2024.
- Rezon Bio had 108 employees in 2024, a 13.4% increase (+13) from 2023.
- Rezon Bio had 95 employees in 2023, a 42.6% increase (+33) from 2022.
Rezon Bio's total workforce has grown from 75 employees in 2023 to 1,213 in 2025.
Rezon Bio — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 1,213 | +1,105 | +167.2% |
| 2025 | Q3 | 1,197 | +1,097 | +169.1% |
| 2025 | Q2 | 132 | +34 | +29.5% |
| 2025 | Q1 | 117 | +21 | +19.0% |
| 2024 | Q4 | 108 | +13 | +13.4% |
| 2024 | Q3 | 100 | +12 | +13.3% |
| 2024 | Q2 | 98 | +15 | +16.3% |
| 2024 | Q1 | 96 | +21 | +24.6% |
| 2023 | Q4 | 95 | +33 | +42.6% |
| 2023 | Q3 | 88 | +33 | +45.8% |
| 2023 | Q2 | 83 | +32 | +47.5% |
| 2023 | Q1 | 75 | +36 | +63.0% |
Want to see Rezon Bio's complete headcount history back to 2017, including quarterly breakdowns?
Poland accounts for the largest share of Rezon Bio's global workforce with approximately 99% of total employees, followed by the United States and Switzerland. Rezon Bio's headcount in the United States is growing fastest among its major locations, up 100.0% year over year in 2025.
Rezon Bio employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| Poland | 1,199 | 98.8% | +84.9% |
| United States | 8 | 0.6% | +100.0% |
| Switzerland | 3 | 0.3% | +100.0% |
| United Kingdom | 2 | 0.1% | +100.0% |
| Italy | 1 | 0.1% | +100.0% |
| Netherlands | 1 | 0.1% | +100.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Rezon Bio's largest employee groups are Finance and Operations (50.1%), Engineering (29.3%), and Sales and Marketing (20.6%).
Rezon Bio employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 608 | 50.1% | +83.9% |
| Engineering | 355 | 29.3% | +84.4% |
| Sales and Marketing | 250 | 20.6% | +89.3% |
Compare Rezon Bio's department mix to industry peers.
Rezon Bio's average employee salary is $29,312 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 4.7x the global average. Pay is lowest in Eastern Europe, at a median of $22,000.
Rezon Bio median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $137,000 |
| Northern America | $63,000 |
| Eastern Europe | $22,000 |
Unlock salary by role, level, and city — and compare to Rezon Bio's industry peers.
- Rezon Bio had 3 active job postings in 2025, a 200.0% increase (+3) from 2024.
- Rezon Bio had 0 active job postings in 2024, a 0% no change from 2023.
- Rezon Bio had 0 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2025: 1 new roles/month, up from 0 in 2024 and 0 in 2023. New metric
Rezon Bio's hiring is accelerating: active job postings rose 200.0% in 2025 to 3, with new postings per month climbing from 0 in 2023 to 1 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
- How fast is Rezon Bio growing?
- In 2025, Rezon Bio's headcount grew 167.2% to 1,213 employees, up from 108 in 2024.
- Where are Rezon Bio employees located?
- Most Rezon Bio employees are based in Poland (98.8% of headcount), followed by the United States and Switzerland.
- What is the average salary at Rezon Bio?
- The average employee salary at Rezon Bio is approximately $29.3k per year.
- How many people does Rezon Bio hire per year?
- In 2025, Rezon Bio opened roughly 12 new roles — about 1 per month.
- When was Rezon Bio founded and where is it headquartered?
- Rezon Bio is headquartered in Gdansk, Poland.
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