How many employees work at Open Cosmos?
Open Cosmos Ltd. has approximately 329 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Open Cosmos’s total headcount has grown 208.5% from 107 employees in 2023 to 329 in 2026.
Is Open Cosmos hiring right now?
Yes, Open Cosmos is actively hiring. Open Cosmos had 119 active job postings in 2026, a 95.7% increase from 2025 — see job openings & hiring trends.
About Open Cosmos’s Workforce
Open Cosmos Ltd. is an Aerospace and Defense company that employs 329 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2015, the company is headquartered in Harwell, United Kingdom.
Open Cosmos's workforce has grown 208.5% from 2023 to 2026, up 20.3% year over year in 2026. Its workforce is concentrated most in Northern Europe (48.0%), followed by Southern Europe (42.4%) and South America (3.3%).
Open Cosmos's functional groups are Finance and Operations (43.9%), Engineering (29.2%), and Sales and Marketing (26.9%), with Engineering growing fastest (up 27.1%). The average salary is $61,036, ranging from a median of $97,000 in Western Europe to $24,000 in South America, down 3.4% year over year in 2026.
Open Cosmos's active job postings rose 95.7% in 2026 to 119, with new postings per month climbing from 19 in 2023 to 41 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Harwell, United Kingdom
- Founded
- 2015
- Industry
- Aerospace and Defense
- Employees
- 329
- YoY
- +20.3% (+114)
As of March 2026
Open Cosmos workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Open Cosmos. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsOpen Cosmos Annual Employee Count (2023-2026)
- Open Cosmos had 329 employees in 2026, a 20.3% increase (+114) from 2025.
- Open Cosmos had 287 employees in 2025, a 16.7% increase (+85) from 2024.
- Open Cosmos had 202 employees in 2024, a 8.3% increase (+60) from 2023.
- Open Cosmos had 142 employees in 2023, a 8.4% increase (+50) from 2022.
Open Cosmos's total workforce has grown from 107 employees in 2023 to 329 in 2026.
Open Cosmos Ltd. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 329 | +114 | +20.3% |
| 2025 | Q4 | 287 | +85 | +16.7% |
| 2025 | Q3 | 239 | +49 | +9.7% |
| 2025 | Q2 | 234 | +60 | +11.6% |
| 2025 | Q1 | 215 | +63 | +6.3% |
| 2024 | Q4 | 202 | +60 | +8.3% |
| 2024 | Q3 | 190 | +73 | +8.7% |
| 2024 | Q2 | 174 | +67 | +10.8% |
| 2024 | Q1 | 152 | +60 | +8.4% |
| 2023 | Q4 | 142 | +50 | +8.4% |
| 2023 | Q3 | 117 | +34 | +4.0% |
| 2023 | Q2 | 107 | +21 | +6.7% |
See Open Cosmos's complete headcount history, including quarterly breakdowns.
Get the DataOpen Cosmos Employee Count by Region (2026)
Northern Europe accounts for the largest share of Open Cosmos's global workforce with approximately 48% of total employees, followed by Southern Europe and South America.
Open Cosmos employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 154 | 48.0% |
| Southern Europe | 136 | 42.4% |
| South America | 10 | 3.3% |
| Western Europe | 9 | 2.8% |
| South Asia | 3 | 0.9% |
| North Africa | 3 | 0.9% |
| Eastern Europe | 2 | 0.7% |
| Pacific Islands | 1 | 0.4% |
| North America | 1 | 0.3% |
| Sub-Saharan Africa | 1 | 0.3% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataOpen Cosmos Employee Count by Department (2026)
Open Cosmos's employee groups are Finance and Operations (43.9%), Engineering (29.2%), and Sales and Marketing (26.9%).
Open Cosmos employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 144 | 43.9% |
| Engineering | 96 | 29.2% |
| Sales and Marketing | 88 | 26.9% |
Compare Open Cosmos's department mix to industry peers.
See Full DataOpen Cosmos Employee Salary by Region (2026)
Open Cosmos's average employee salary is $61,036 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.6x the global average. Pay is lowest in South America, at a median of $24,000.
Open Cosmos median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $97,000 |
| Northern Europe | $59,000 |
| Southern Europe | $54,000 |
| South America | $24,000 |
Unlock salary by role, level, and city — and compare to Open Cosmos's industry peers.
Unlock Salary DataOpen Cosmos Job Openings and Hiring Trends (2023-2026)
- Open Cosmos had 119 active job postings in 2026, a 95.7% increase (+62) from 2025.
- Open Cosmos had 57 active job postings in 2025, a 32.7% increase (+16) from 2024.
- Open Cosmos had 41 active job postings in 2024, a 37.6% decline (-19) from 2023.
- Open Cosmos had 60 active job postings in 2023, a 147.8% increase from 2022.
- Hiring velocity in 2026: 41 new roles/month, up from 25 in 2025 and 49 in 2024.
Open Cosmos's hiring is accelerating: active job postings rose 95.7% in 2026 to 119, with new postings per month climbing from 19 in 2023 to 41 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataOpen Cosmos Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Open Cosmos's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Open Cosmos
- How fast is Open Cosmos growing?
- In 2026, Open Cosmos's headcount grew 20.3% to 329 employees, up from 215 in 2025.
- See the full headcount history
- Where are Open Cosmos employees located?
- Most Open Cosmos employees are based in Northern Europe (48.0% of headcount), followed by Southern Europe and South America.
- Explore where the workforce is based
- What is the average salary at Open Cosmos?
- The average employee salary at Open Cosmos is approximately $61k per year.
- Analyze the salary distribution
- How many new job postings does Open Cosmos open per year?
- In Q1 2026, Open Cosmos opened 122 new job postings. In 2025, Open Cosmos opened 300 new job postings — about 25 per month.
- Track hiring trends by role
- When was Open Cosmos founded and where is it headquartered?
- Open Cosmos was founded in 2015 and is headquartered in Harwell, United Kingdom.
- Compare Open Cosmos to industry peers
Speak with a workforce expert about Open Cosmos.
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