How many employees work at Open Source?
Open Source KK has approximately 786 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Open Source's total headcount has declined 11.4% from 888 employees in 2023 to 786 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 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 786 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers and was founded in 2000 with headquarters in Sapporo, Japan.
Open Source's workforce has declined 11.4% from 2023 to 2026, though it is up 1.3% year over year in 2026. It fell to a low of 770 in 2025 Q2 before recovering. Its workforce is concentrated most in the United States (34.8%), followed by India (18.5%) and the United Kingdom (4.4%), with Japan as the fastest-growing location.
Open Source's largest groups are Engineering (44.7%), Finance and Operations (28.5%), and Sales and Marketing (26.8%), with Finance and Operations growing fastest (up 4.1%). The average tenure is 3.4 years, and the average salary across all employees is $80,229, with regional medians ranging from $140,000 in Northern America to $20,000 in Southern Asia.
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 sentiment is positive and improving, as indicated by a positive direction in employee sentiment.
Sourced from Revelio Labs workforce data.
As of March 2026
Open Source
workforce metrics
Headcount
786
1.3% YoY
Avg. Salary
$80.2k
4.1% YoY
Tenure
3.4yr
0.3yr YoY
Growth Rate
1.3%
7.5pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Open Source. Compare to peers, export the dataset, and access the full quarterly history.
- Open Source had 786 employees in 2026, a 1.3% increase (+10) from 2025.
- Open Source had 784 employees in 2025, a 1.8% decline (-14) from 2024.
- Open Source had 798 employees in 2024, a 4.7% decline (-38) from 2023.
- Open Source had 836 employees in 2023, a 14.3% decline (-129) from 2022.
Open Source's total workforce has grown from 770 employees in 2025 to 786 in 2026. Open Source's headcount peaked at 888 in 2023 before declining in 2025 and recovering through 2026.
Open Source KK — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 786 | +10 | +1.3% |
| 2025 | Q4 | 784 | -14 | -1.8% |
| 2025 | Q3 | 778 | +1 | +0.1% |
| 2025 | Q2 | 770 | -42 | -5.3% |
| 2025 | Q1 | 776 | -50 | -6.3% |
| 2024 | Q4 | 798 | -38 | -4.7% |
| 2024 | Q3 | 777 | -64 | -7.9% |
| 2024 | Q2 | 812 | -76 | -8.9% |
| 2024 | Q1 | 826 | -74 | -8.5% |
| 2023 | Q4 | 836 | -129 | -14.3% |
| 2023 | Q3 | 841 | -14 | -1.7% |
| 2023 | Q2 | 888 | -4 | -0.4% |
Want to see Open Source's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Open Source's global workforce with approximately 35% of total employees, followed by India and the United Kingdom. Open Source's headcount in Japan is growing fastest among its major locations, up 31.6% year over year in 2026.
Open Source employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 262 | 34.8% | -9.0% |
| India | 139 | 18.5% | +11.9% |
| United Kingdom | 33 | 4.4% | +2.9% |
| Germany | 30 | 4.0% | +30.6% |
| Brazil | 28 | 3.8% | +5.0% |
| Japan | 14 | 1.8% | +31.6% |
| France | 14 | 1.8% | +15.4% |
| Canada | 12 | 1.7% | +15.6% |
| Iran | 12 | 1.6% | +0.0% |
| Spain | 12 | 1.6% | +25.8% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Open Source's largest employee groups are Engineering (44.7%), Finance and Operations (28.5%), and Sales and Marketing (26.8%).
Open Source employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Engineering | 350 | 44.7% | -0.8% |
| Finance and Operations | 224 | 28.5% | +4.1% |
| Sales and Marketing | 210 | 26.8% | +1.9% |
Compare Open Source's department mix to industry peers.
Open Source's average employee salary is $80,229 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.7x the global average. Pay is lowest in Southern Asia, at a median of $20,000.
Open Source median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $140,000 |
| Northern Europe | $116,000 |
| Western Europe | $101,000 |
| Eastern Asia | $77,000 |
| Arab States | $69,000 |
| Southern Europe | $60,000 |
| Central and Western Asia | $31,000 |
| South-Eastern Asia | $27,000 |
| Sub-Saharan Africa | $27,000 |
| Eastern Europe | $25,000 |
| Northern Africa | $24,000 |
| Southern America | $22,000 |
| Southern Asia | $20,000 |
Unlock salary by role, level, and city — and compare to Open Source's industry peers.
- 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. New metric
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.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
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
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Information Technology Services Companies by Employee Count
- How fast is Open Source growing?
- In 2026, Open Source's headcount grew 1.3% to 786 employees, up from 776 in 2025.
- Where are Open Source employees located?
- Most Open Source employees are based in the United States (34.8% of headcount), followed by India and the United Kingdom.
- What is the average salary at Open Source?
- The average employee salary at Open Source is approximately $80.2k per year.
- How many people does Open Source hire per year?
- In 2026, Open Source opened roughly 0 new roles — about 0 per month.
- 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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