How many employees work at SK on?
SK On Co., Ltd. has approximately 1,107 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. SK on's total headcount has declined 4.6% from 1,160 employees in 2023 to 1,107 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is SK on hiring right now?
Yes, SK on is actively hiring. SK on had 41 active job postings in 2025, a 43.8% decline from 2024 — see job openings & hiring trends.
About SK on's Workforce
SK On Co., Ltd. is an Energy and Resources company that employs 1,107 people worldwide as of December 2025. It is the 11th-largest by headcount among its peers. Founded in 2021, the company is headquartered in Seoul, South Korea.
SK On's workforce has declined 4.6% from 2023 to 2025, and it is down 1.0% year over year in 2025. The headcount reached a low of 1,107 in 2025 Q4 before recovering. Its staff is concentrated most in South Korea (57.9%), followed by the United States (36.7%), and China (2.8%), with Hungary identified as its fastest-growing location.
SK On's largest groups by function are Finance and Operations (45.7%), Engineering (30.5%), and Sales and Marketing (23.9%), with Finance and Operations also the fastest-growing group (up 2.4%). The average tenure across employees is 2.8 years. The average salary is $49,828, and regional medians range from $95,000 in Western Europe to $12,000 in Central America and the Caribbean.
SK On's hiring activity shows a steep pullback in demand for open roles, with active postings down 43.8% in 2025 to 41 postings, and postings per month rising from 31 in 2023 to 32 in 2025. Overall, employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
As of December 2025
SK on
workforce metrics
Headcount
1.1k
1.0% YoY
Avg. Salary
$49.8k
1.5% YoY
Tenure
2.8yr
0.2yr YoY
Growth Rate
-1.0%
7.4pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for SK on. Compare to peers, export the dataset, and access the full quarterly history.
- SK on had 1,107 employees in 2025, a 1.0% decline (-11) from 2024.
- SK on had 1,118 employees in 2024, a 8.4% decline (-97) from 2023.
- SK on had 1,215 employees in 2023, a 9.0% increase (+105) from 2022.
SK on's total workforce has declined from 1,160 employees in 2023 to 1,107 in 2025.
SK On Co., Ltd. — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 1,107 | -11 | -1.0% |
| 2025 | Q3 | 1,118 | -29 | -2.6% |
| 2025 | Q2 | 1,130 | -42 | -3.7% |
| 2025 | Q1 | 1,130 | -69 | -5.9% |
| 2024 | Q4 | 1,118 | -97 | -8.4% |
| 2024 | Q3 | 1,147 | -100 | -8.3% |
| 2024 | Q2 | 1,172 | -54 | -4.5% |
| 2024 | Q1 | 1,199 | +39 | +3.3% |
| 2023 | Q4 | 1,215 | +105 | +9.0% |
| 2023 | Q3 | 1,247 | +229 | +20.2% |
| 2023 | Q2 | 1,226 | +341 | +32.3% |
| 2023 | Q1 | 1,160 | +430 | +45.5% |
Want to see SK on's complete headcount history back to 2017, including quarterly breakdowns?
South Korea accounts for the largest share of SK on's global workforce with approximately 58% of total employees, followed by the United States and China. SK on's headcount in Hungary is growing fastest among its major locations, up 1.9% year over year in 2025.
SK on employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| South Korea | 656 | 57.9% | -0.0% |
| United States | 416 | 36.7% | -0.6% |
| China | 32 | 2.8% | -6.2% |
| Hungary | 16 | 1.4% | +1.9% |
| Mexico | 6 | 0.5% | +0.0% |
| Germany | 3 | 0.2% | -9.4% |
| Canada | 2 | 0.1% | +0.0% |
| India | 1 | 0.1% | +0.0% |
| Bangladesh | 1 | 0.1% | +0.0% |
| Georgia | 0 | 0.0% | -96.1% |
Drill into city-level data, hiring trends by region and historic geographic shifts
SK on's largest employee groups are Finance and Operations (45.7%), Engineering (30.5%), and Sales and Marketing (23.9%).
SK on employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 519 | 45.7% | +2.4% |
| Engineering | 346 | 30.5% | -5.3% |
| Sales and Marketing | 271 | 23.9% | +0.9% |
Compare SK on's department mix to industry peers.
SK on's average employee salary is $49,828 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.9x the global average. Pay is lowest in Central America and the Caribbean, at a median of $12,000.
SK on median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $95,000 |
| Northern America | $61,000 |
| Eastern Asia | $33,000 |
| Eastern Europe | $25,000 |
| Central America and the Caribbean | $12,000 |
| Southern Asia | $4,000 |
Unlock salary by role, level, and city — and compare to SK on's industry peers.
- SK on had 41 active job postings in 2025, a 43.8% decline (-23) from 2024.
- SK on had 64 active job postings in 2024, a 11.6% increase (+7) from 2023.
- SK on had 57 active job postings in 2023, a 61.0% decline from 2022.
- Hiring velocity in 2025: 32 new roles/month, down from 40 in 2024 and 31 in 2023. New metric
SK on's active job postings fell 43.8% in 2025 to 41, with new postings per month climbing from 31 in 2023 to 32 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across SK on's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Energy and Resources Companies by Employee Count
- How fast is SK on growing?
- In 2025, SK on's headcount shrank 1.0% to 1,107 employees, down from 1,118 in 2024.
- Where are SK on employees located?
- Most SK on employees are based in South Korea (57.9% of headcount), followed by the United States and China.
- What is the average salary at SK on?
- The average employee salary at SK on is approximately $49.8k per year.
- How many people does SK on hire per year?
- In 2025, SK on opened roughly 384 new roles — about 32 per month.
- When was SK on founded and where is it headquartered?
- SK on was founded in 2021 and is headquartered in Seoul, South Korea.
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