How many employees work at OneFlash?

OneFlash SAS has approximately 48 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. OneFlash’s total headcount has grown 228.2% from 15 employees in 2023 to 48 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is OneFlash hiring right now?

Yes, OneFlash is actively hiring. OneFlash had 4 active job postings in 2026, a 28.6% increase from 2025 — see job openings & hiring trends.

About OneFlash’s Workforce

OneFlash SAS is an Information Technology Services company that employs 48 people worldwide as of March 2026. It is the 6th-largest by headcount among its peers. Founded in 2019, the company is headquartered in Aulnay-sous-Bois, France.

OneFlash's workforce has grown 228.2% from 2023 to 2026, up 85.3% year over year in 2026. Its workforce is concentrated most in Western Europe (100.0%).

OneFlash's functional groups are Engineering (58.2%), Finance and Operations (22.6%), and Sales and Marketing (19.2%), with Engineering growing fastest (up 42.5%). The average salary is $75,872, highest in Western Europe at a median of $45,000, down 24.0% year over year in 2026.

OneFlash's active job postings rose 28.6% in 2026 to 4, with new postings per month climbing from 1 in 2023 to 2 in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Headquarters
Aulnay-sous-Bois, France
Founded
2019
Industry
Information Technology Services
Employees
48
YoY
+85.3% (+30)

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OneFlash Annual Employee Count (2023-2026)

Interactive chart of OneFlash annual worldwide employee count from 2023 to 2026.
  • OneFlash had 48 employees in 2026, a 85.3% increase (+30) from 2025.
  • OneFlash had 27 employees in 2025, a 4.2% increase (+9) from 2024.
  • OneFlash had 18 employees in 2024, a 18.8% increase (-1) from 2023.
  • OneFlash had 19 employees in 2023, a 12.6% increase (+4) from 2022.

OneFlash's total workforce has grown from 15 employees in 2023 to 48 in 2026.

OneFlash SAS quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q148+30+85.3%
2025Q427+9+4.2%
2025Q327+7-3.8%
2025Q226+8+11.9%
2025Q118-2+7.8%
2024Q418-1+18.8%
2024Q320+5+13.2%
2024Q218+3+21.6%
2024Q120+6+12.7%
2023Q419+4+12.6%
2023Q315+1+14.9%
2023Q215+3+4.4%

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OneFlash Employee Count by Region (2026)

Western Europe accounts for the largest share of OneFlash's global workforce with approximately 100% of total employees.

OneFlash employees by region

RegionEmployees% of Total
Western Europe48100.0%

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OneFlash Employee Count by Department (2026)

OneFlash's employee groups are Engineering (58.2%), Finance and Operations (22.6%), and Sales and Marketing (19.2%).

OneFlash employees by department

DepartmentEmployees% of Total
Engineering2858.2%
Finance and Operations1122.6%
Sales and Marketing919.2%

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OneFlash Employee Salary by Region (2026)

OneFlash's average employee salary is $75,872 globally. Employees in Western Europe receive the highest compensation.

OneFlash median employee salary by region (USD)

RegionMedian Salary
Western Europe$45,000

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OneFlash Job Openings and Hiring Trends (2023-2026)

Interactive chart of OneFlash annual active job postings from 2023 to 2026.
  • OneFlash had 4 active job postings in 2026, a 28.6% increase (-1) from 2025.
  • OneFlash had 5 active job postings in 2025, a 85.7% increase (+3) from 2024.
  • OneFlash had 2 active job postings in 2024, a 66.7% increase (+1) from 2023.
  • OneFlash had 1 active job postings in 2023, a 200.0% increase from 2022.
  • Hiring velocity in 2026: 2 new roles/month, up from 2 in 2025 and 2 in 2024.

OneFlash's hiring is accelerating: active job postings rose 28.6% in 2026 to 4, with new postings per month climbing from 1 in 2023 to 2 in 2026.

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OneFlash Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across OneFlash'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 OneFlash

How fast is OneFlash growing?
In 2026, OneFlash's headcount grew 85.3% to 48 employees, up from 18 in 2025.
See the full headcount history
Where are OneFlash employees located?
Most OneFlash employees are based in Western Europe (100.0% of headcount).
Explore where the workforce is based
What is the average salary at OneFlash?
The average employee salary at OneFlash is approximately $75.9k per year.
Analyze the salary distribution
How many new job postings does OneFlash open per year?
In Q1 2026, OneFlash opened 7 new job postings. In 2025, OneFlash opened 29 new job postings — about 2 per month.
Track hiring trends by role
When was OneFlash founded and where is it headquartered?
OneFlash was founded in 2019 and is headquartered in Aulnay-sous-Bois, France.
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