How many employees work at Cellectis?
Cellectis SA (ALCLS) has approximately 224 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Cellectis’s total headcount has declined 3.0% from 231 employees in 2023 to 224 in 2026.
Is Cellectis hiring right now?
Yes, Cellectis is actively hiring. Cellectis had 17 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About Cellectis’s Workforce
Cellectis is developing the first of its kind allogeneic approach for CAR-T immunotherapies in oncology, pioneering the concept of off-the-shelf and ready-to-use gene-edited CAR T-cells to treat cancer patients. As a clinical-stage biopharmaceutical company with over 24 years of expertise in gene editing, Cellectis is developing life-changing product candidates utilizing TALEN®, its proprietary gene editing technology, and PulseAgile, its pioneering electroporation system to harness the power of the immune system in order to target and eradicate cancer cells.
As part of its commitment to a cure, Cellectis remains dedicated to its goal of providing life-saving UCART product candidates to address unmet needs for multiple cancers including B-cell acute lymphoblastic leukemia (B-ALL), non-Hodgkin lymphoma (NHL) and acute myeloid leukemia (AML).
Cellectis headquarters are in Paris, France, with additional locations in New York, New York and Raleigh, North Carolina. Cellectis is listed on the Nasdaq Global Market (ticker: CLLS) and on Euronext Growth (ticker: ALCLS).
To find out more about us, visit our website: www.cellectis.com. To learn more about our community guidelines, visit: http://www.cellectis.com/en/social-media-guidelines/
Follow our other social media accounts: @cellectis on Twitter and Cellectis YouTube
TALEN® is a registered trademark owned by the Cellectis Group.
Sourced from Revelio Labs workforce data.
- Ticker
- Euronext Paris: ALCLS
- Headquarters
- Paris, France
- Founded
- 2000
- Industry
- Pharmaceuticals
- Employees
- 224
- YoY
- -1.6% (+5)
As of March 2026
Cellectis workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Cellectis. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsCellectis Annual Employee Count (2023-2026)
- Cellectis had 224 employees in 2026, a 1.6% decline (+5) from 2025.
- Cellectis had 229 employees in 2025, a 1.5% increase (+12) from 2024.
- Cellectis had 217 employees in 2024, a 2.8% decline (-9) from 2023.
- Cellectis had 226 employees in 2023, a 1.9% decline (-12) from 2022.
Cellectis SA quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 224 | +5 | -1.6% |
| 2025 | Q4 | 229 | +12 | +1.5% |
| 2025 | Q3 | 226 | +4 | +0.2% |
| 2025 | Q2 | 225 | -1 | +0.2% |
| 2025 | Q1 | 219 | +0 | +0.7% |
| 2024 | Q4 | 217 | -9 | -2.8% |
| 2024 | Q3 | 222 | -3 | -1.2% |
| 2024 | Q2 | 226 | -5 | -2.6% |
| 2024 | Q1 | 219 | -17 | -3.4% |
| 2023 | Q4 | 226 | -12 | -1.9% |
| 2023 | Q3 | 225 | -32 | -3.5% |
| 2023 | Q2 | 231 | -42 | -2.1% |
See Cellectis's complete headcount history, including quarterly breakdowns.
Get the DataCellectis Employee Count by Region (2026)
Cellectis employees by region
| Region | Employees | % of Total |
|---|---|---|
| Western Europe | 140 | 62.7% |
| North America | 78 | 35.2% |
| Northern Europe | 3 | 1.3% |
| Sub-Saharan Africa | 1 | 0.6% |
| East Asia | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataCellectis Employee Count by Department (2026)
Cellectis employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 112 | 50.1% |
| Engineering | 65 | 29.2% |
| Sales and Marketing | 46 | 20.7% |
Compare Cellectis's department mix to industry peers.
See Full DataCellectis Employee Salary by Region (2026)
Cellectis median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $124,000 |
| Northern Europe | $97,000 |
| Western Europe | $77,000 |
Unlock salary by role, level, and city — and compare to Cellectis's industry peers.
Unlock Salary DataCellectis Job Openings and Hiring Trends (2023-2026)
- Cellectis had 17 active job postings in 2026, a 0% no change (-19) from 2025.
- Cellectis had 36 active job postings in 2025, a 88.0% increase (+22) from 2024.
- Cellectis had 14 active job postings in 2024, a 48.6% decline (-9) from 2023.
- Cellectis had 23 active job postings in 2023, a 62.9% increase from 2022.
- Hiring velocity in 2026: 5 new roles/month, down from 11 in 2025 and 19 in 2024.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataCellectis Employee Sentiment (2026)
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Cellectis
- How fast is Cellectis growing?
- In 2026, Cellectis's headcount shrank 1.6% to 224 employees, up from 219 in 2025.
- See the full headcount history
- Where are Cellectis employees located?
- Most Cellectis employees are based in Western Europe (62.7% of headcount), followed by North America and Northern Europe.
- Explore where the workforce is based
- What is the average salary at Cellectis?
- The average employee salary at Cellectis is approximately $114.1k per year.
- Analyze the salary distribution
- How many new job postings does Cellectis open per year?
- In Q1 2026, Cellectis opened 15 new job postings. In 2025, Cellectis opened 126 new job postings — about 11 per month.
- Track hiring trends by role
- When was Cellectis founded and where is it headquartered?
- Cellectis was founded in 2000 and is headquartered in Paris, France.
- Compare Cellectis to industry peers
Speak with a workforce expert about Cellectis.
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