How many employees work at Merck Serono?
Merck Serono SA has approximately 7,739 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Merck Serono’s total headcount has grown 17.3% from 6,599 employees in 2023 to 7,739 in 2026.
Is Merck Serono hiring right now?
Yes, Merck Serono is actively hiring. Merck Serono had 100 active job postings in 2026, a 29.8% decline from 2025 — see job openings & hiring trends.
About Merck Serono’s Workforce
Merck Serono SA is a Pharmaceuticals company that employs 7,739 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 1987, the company is headquartered in Aubonne, Switzerland.
Merck Serono's workforce has grown 17.3% from 2023 to 2026, up 0.5% year over year in 2026. Its workforce is concentrated most in Western Europe (36.6%), followed by East Asia (15.0%) and South Asia (13.8%).
Merck Serono's functional groups are Finance and Operations (44.8%), Engineering (29.7%), and Sales and Marketing (25.5%), with Engineering growing fastest (up 2.7%). The average salary is $76,769, ranging from a median of $105,000 in Western Europe to $12,000 in South Asia, down 1.7% year over year in 2026.
Merck Serono's active job postings fell 29.8% in 2026 to 100, with new postings per month climbing from 1 in 2023 to 54 in 2026.
Sourced from Revelio Labs workforce data.
- Headquarters
- Aubonne, Switzerland
- Founded
- 1987
- Industry
- Pharmaceuticals
- Employees
- 7,739
- YoY
- +0.5% (+411)
As of March 2026
Merck Serono workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Merck Serono. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMerck Serono Annual Employee Count (2023-2026)
- Merck Serono had 7,739 employees in 2026, a 0.5% increase (+411) from 2025.
- Merck Serono had 7,654 employees in 2025, a 0.9% increase (+519) from 2024.
- Merck Serono had 7,135 employees in 2024, a 0.8% increase (+397) from 2023.
- Merck Serono had 6,738 employees in 2023, a 1.2% increase (+324) from 2022.
Merck Serono's total workforce has grown from 6,599 employees in 2023 to 7,739 in 2026.
Merck Serono SA quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 7,739 | +411 | +0.5% |
| 2025 | Q4 | 7,654 | +519 | +0.9% |
| 2025 | Q3 | 7,547 | +533 | +1.1% |
| 2025 | Q2 | 7,458 | +514 | +0.7% |
| 2025 | Q1 | 7,328 | +486 | +0.6% |
| 2024 | Q4 | 7,135 | +397 | +0.8% |
| 2024 | Q3 | 7,014 | +328 | +0.8% |
| 2024 | Q2 | 6,944 | +345 | +1.3% |
| 2024 | Q1 | 6,842 | +372 | +1.8% |
| 2023 | Q4 | 6,738 | +324 | +1.2% |
| 2023 | Q3 | 6,686 | +354 | +1.4% |
| 2023 | Q2 | 6,599 | +298 | +1.3% |
See Merck Serono's complete headcount history, including quarterly breakdowns.
Get the DataMerck Serono Employee Count by Region (2026)
Western Europe accounts for the largest share of Merck Serono's global workforce with approximately 37% of total employees, followed by East Asia and South Asia.
Merck Serono employees by region
| Region | Employees | % of Total |
|---|---|---|
| Western Europe | 2,814 | 36.6% |
| East Asia | 1,152 | 15.0% |
| South Asia | 1,060 | 13.8% |
| Southern Europe | 714 | 9.3% |
| South America | 514 | 6.7% |
| Southeast Asia | 279 | 3.6% |
| Northern Europe | 194 | 2.5% |
| Central America and the Caribbean | 183 | 2.4% |
| Eastern Europe | 159 | 2.1% |
| Arab States | 130 | 1.7% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMerck Serono Employee Count by Department (2026)
Merck Serono's employee groups are Finance and Operations (44.8%), Engineering (29.7%), and Sales and Marketing (25.5%).
Merck Serono employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 3,394 | 44.8% |
| Engineering | 2,250 | 29.7% |
| Sales and Marketing | 1,930 | 25.5% |
Compare Merck Serono's department mix to industry peers.
See Full DataMerck Serono Employee Salary by Region (2026)
Merck Serono's average employee salary is $76,769 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in South Asia, at a median of $12,000.
Merck Serono median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $131,000 |
| Pacific Islands | $122,000 |
| Northern Europe | $113,000 |
| Western Europe | $105,000 |
| Arab States | $65,000 |
| East Asia | $62,000 |
| Southern Europe | $52,000 |
| Central and Western Asia | $44,000 |
| Eastern Europe | $44,000 |
| Sub-Saharan Africa | $30,000 |
| Central America and the Caribbean | $26,000 |
| Southeast Asia | $24,000 |
| North Africa | $16,000 |
| South America | $13,000 |
| South Asia | $12,000 |
Unlock salary by role, level, and city — and compare to Merck Serono's industry peers.
Unlock Salary DataMerck Serono Job Openings and Hiring Trends (2023-2026)
- Merck Serono had 100 active job postings in 2026, a 29.8% decline (+8) from 2025.
- Merck Serono had 92 active job postings in 2025, a 64.2% decline (-87) from 2024.
- Merck Serono had 179 active job postings in 2024, a 200.0% increase (+179) from 2023.
- Merck Serono had 0 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 54 new roles/month, down from 64 in 2025 and 41 in 2024.
Merck Serono's active job postings fell 29.8% in 2026 to 100, with new postings per month climbing from 1 in 2023 to 54 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
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Frequently Asked Questions About Merck Serono
- How fast is Merck Serono growing?
- In 2026, Merck Serono's headcount grew 0.5% to 7,739 employees, up from 7,328 in 2025.
- See the full headcount history
- Where are Merck Serono employees located?
- Most Merck Serono employees are based in Western Europe (36.6% of headcount), followed by East Asia and South Asia.
- Explore where the workforce is based
- What is the average salary at Merck Serono?
- The average employee salary at Merck Serono is approximately $76.8k per year.
- Analyze the salary distribution
- How many new job postings does Merck Serono open per year?
- In Q1 2026, Merck Serono opened 162 new job postings. In 2025, Merck Serono opened 770 new job postings — about 64 per month.
- Track hiring trends by role
- When was Merck Serono founded and where is it headquartered?
- Merck Serono was founded in 1987 and is headquartered in Aubonne, Switzerland.
- Compare Merck Serono to industry peers
Speak with a workforce expert about Merck Serono.
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