How many employees work at Open Source?

Open Source KK has approximately 547 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Open Source’s total headcount has declined 16.9% from 658 employees in 2023 to 547 in 2026.

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

Is Open Source hiring right now?

No, Open Source is not actively hiring. Open Source had 0 active job postings in 2026, a 200.0% decline from 2025 — see job openings & hiring trends.

About Open Source’s Workforce

Open Source KK is an Information Technology Services company that employs 547 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 2000, the company is headquartered in Sapporo, Japan.

Open Source's workforce has declined 16.9% from 2023 to 2026, down 11.6% year over year in 2026. It fell to a low of 547 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (43.7%), followed by South Asia (17.9%) and Eastern Europe (6.5%).

Open Source's functional groups are Engineering (40.6%), Finance and Operations (29.8%), and Sales and Marketing (29.7%), with Sales and Marketing growing fastest (up 2.6%). The average salary is $83,831, ranging from a median of $141,000 in North America to $13,000 in South Asia, down 3.2% year over year in 2026.

Open Source's active job postings fell 200.0% in 2026 to 0, with new postings per month cooling from 1 in 2023 to 0 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Sapporo, Japan
Founded
2000
Industry
Information Technology Services
Employees
547
YoY
-11.6% (-23)

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Open Source Annual Employee Count (2023-2026)

Interactive chart of Open Source annual worldwide employee count from 2023 to 2026.
  • Open Source had 547 employees in 2026, a 11.6% decline (-23) from 2025.
  • Open Source had 567 employees in 2025, a 10.6% decline (-24) from 2024.
  • Open Source had 591 employees in 2024, a 6.5% decline (-17) from 2023.
  • Open Source had 608 employees in 2023, a 4.2% decline (-109) from 2022.

Open Source's total workforce has declined from 658 employees in 2023 to 547 in 2026.

Open Source KK quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1547-23-11.6%
2025Q4567-24-10.6%
2025Q3569-16-6.5%
2025Q2567-27-8.6%
2025Q1570-34-8.2%
2024Q4591-17-6.5%
2024Q3585-49-8.7%
2024Q2594-64-4.2%
2024Q1604-84-4.6%
2023Q4608-109-4.2%
2023Q3634+49+10.0%
2023Q2658+70+10.8%

See Open Source's complete headcount history, including quarterly breakdowns.

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Open Source Employee Count by Region (2026)

North America accounts for the largest share of Open Source's global workforce with approximately 44% of total employees, followed by South Asia and Eastern Europe.

Open Source employees by region

RegionEmployees% of Total
North America22643.7%
South Asia9217.9%
Eastern Europe346.5%
Western Europe265.0%
Southeast Asia224.2%
South America214.1%
Sub-Saharan Africa173.2%
East Asia163.2%
Northern Europe132.5%
Arab States122.4%

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Open Source Employee Count by Department (2026)

Open Source's employee groups are Engineering (40.6%), Finance and Operations (29.8%), and Sales and Marketing (29.7%).

Open Source employees by department

DepartmentEmployees% of Total
Engineering22140.6%
Finance and Operations16229.8%
Sales and Marketing16229.7%

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Open Source Employee Salary by Region (2026)

Open Source's average employee salary is $83,831 globally. Employees in North America receive the highest compensation, with median pay approximately 1.7x the global average. Pay is lowest in South Asia, at a median of $13,000.

Open Source median employee salary by region (USD)

RegionMedian Salary
North America$141,000
Northern Europe$123,000
Western Europe$92,000
East Asia$74,000
Arab States$68,000
Southern Europe$60,000
Central and Western Asia$45,000
Sub-Saharan Africa$32,000
Eastern Europe$30,000
Southeast Asia$26,000
North Africa$20,000
South America$20,000
South Asia$13,000

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Open Source Job Openings and Hiring Trends (2023-2026)

Interactive chart of Open Source annual active job postings from 2023 to 2026.
  • Open Source had 0 active job postings in 2026, a 200.0% decline from 2025.
  • Open Source had 0 active job postings in 2025, a 200.0% decline (-2) from 2024.
  • Open Source had 2 active job postings in 2024, a 66.7% increase (+1) from 2023.
  • Open Source had 1 active job postings in 2023, a 171.4% decline from 2022.
  • Hiring velocity in 2026: 0 new roles/month, down from 1 in 2025 and 1 in 2024.

Open Source's hiring is slowing: active job postings fell 200.0% in 2026 to 0, with new postings per month cooling from 1 in 2023 to 0 in 2026.

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Open Source Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Open Source's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Open Source

How fast is Open Source growing?
In 2026, Open Source's headcount shrank 11.6% to 547 employees, down from 570 in 2025.
See the full headcount history
Where are Open Source employees located?
Most Open Source employees are based in North America (43.7% of headcount), followed by South Asia and Eastern Europe.
Explore where the workforce is based
What is the average salary at Open Source?
The average employee salary at Open Source is approximately $83.8k per year.
Analyze the salary distribution
How many new job postings does Open Source open per year?
In Q1 2026, Open Source opened 0 new job postings. In 2025, Open Source opened 7 new job postings — about 1 per month.
Track hiring trends by role
When was Open Source founded and where is it headquartered?
Open Source was founded in 2000 and is headquartered in Sapporo, Japan.
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