Euronext Paris: ALCLS

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.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 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 SA (ALCLS) is a Pharmaceuticals company that employs 224 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2000, the company is headquartered in Paris, France and trades on the Euronext Paris.

Cellectis's workforce has declined 3.0% from 2023 to 2026, down 1.6% year over year in 2026. It fell to a low of 217 in 2024 Q4 before recovering. Its workforce is concentrated most in Western Europe (62.7%), followed by North America (35.2%) and Northern Europe (1.3%).

Cellectis's functional groups are Finance and Operations (50.1%), Engineering (29.2%), and Sales and Marketing (20.7%), with Engineering growing fastest (up 1.6%). The average salary is $114,056, ranging from a median of $124,000 in North America to $77,000 in Western Europe, up 6.2% year over year in 2026.

Cellectis's hiring activity held steady in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Ticker
Euronext Paris: ALCLS
Headquarters
Paris, France
Founded
2000
Industry
Pharmaceuticals
Employees
224
YoY
-1.6% (+5)

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Cellectis Annual Employee Count (2023-2026)

Interactive chart of Cellectis annual worldwide employee count from 2023 to 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's total workforce has grown from 217 employees in 2024 to 224 in 2026. Cellectis's headcount peaked at 231 in 2023 before declining in 2024 and recovering through 2025 and 2026.

Cellectis SA quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1224+5-1.6%
2025Q4229+12+1.5%
2025Q3226+4+0.2%
2025Q2225-1+0.2%
2025Q1219+0+0.7%
2024Q4217-9-2.8%
2024Q3222-3-1.2%
2024Q2226-5-2.6%
2024Q1219-17-3.4%
2023Q4226-12-1.9%
2023Q3225-32-3.5%
2023Q2231-42-2.1%

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Cellectis Employee Count by Region (2026)

Western Europe accounts for the largest share of Cellectis's global workforce with approximately 63% of total employees, followed by North America and Northern Europe.

Cellectis employees by region

RegionEmployees% of Total
Western Europe14062.7%
North America7835.2%
Northern Europe31.3%
Sub-Saharan Africa10.6%
East Asia10.2%

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Cellectis Employee Count by Department (2026)

Cellectis's employee groups are Finance and Operations (50.1%), Engineering (29.2%), and Sales and Marketing (20.7%).

Cellectis employees by department

DepartmentEmployees% of Total
Finance and Operations11250.1%
Engineering6529.2%
Sales and Marketing4620.7%

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Cellectis Employee Salary by Region (2026)

Cellectis's average employee salary is $114,056 globally. Employees in North America receive the highest compensation. Pay is lowest in Western Europe, at a median of $77,000.

Cellectis median employee salary by region (USD)

RegionMedian Salary
North America$124,000
Northern Europe$97,000
Western Europe$77,000

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Cellectis Job Openings and Hiring Trends (2023-2026)

Interactive chart of Cellectis annual active job postings from 2023 to 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.

Cellectis's hiring activity held steady in 2026.

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Cellectis Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Cellectis's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.

Overall

NegativePositive

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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.
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What is the average salary at Cellectis?
The average employee salary at Cellectis is approximately $114.1k per year.
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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.
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