How many employees work at Alter Technology Group?
Alter Technology Group SL has approximately 506 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. Alter Technology Group's total headcount has declined 6.7% from 542 employees in 2023 to 506 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is Alter Technology Group hiring right now?
Yes, Alter Technology Group is actively hiring. Alter Technology Group had 4 active job postings in 2025, a 28.6% increase from 2024 — see job openings & hiring trends.
About Alter Technology Group's Workforce
Alter Technology Group SL is an Aerospace and Defense company that employs 506 people worldwide as of December 2025. It is the 10th-largest by headcount among its peers and was founded in 1986, with headquarters in Seville, Spain.
Alter Technology Group's workforce has declined 6.7% from 2023 to 2025, and is down 6.5% year over year in 2025. It fell to a low of 506 in 2025 Q4 before recovering. The majority of employees are based in Spain (83.0%), followed by France (13.0%) and the United Kingdom (1.2%), with France, its fastest-growing location, up 5.6%.
Alter Technology Group's largest groups are Finance and Operations (42.0%), Engineering (31.2%), and Sales and Marketing (26.7%), with Sales and Marketing growing fastest (up 5.4%). The average tenure is 5.6 years, and the average salary is $46,583, with regional medians of $90,000 in Northern America and $40,000 in Southern Europe.
Alter Technology Group's active job postings rose 28.6% in 2025 to four postings, as postings per month have cooled from 5 in 2023 to 3 in 2025. Overall employee sentiment is neutral but directionally downward.
Sourced from Revelio Labs workforce data.
As of December 2025
Alter Technology Group
workforce metrics
Headcount
506
6.5% YoY
Avg. Salary
$46.6k
3.8% YoY
Tenure
5.6yr
0.1yr YoY
Growth Rate
-6.5%
6.2pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Alter Technology Group. Compare to peers, export the dataset, and access the full quarterly history.
- Alter Technology Group had 506 employees in 2025, a 6.5% decline (-34) from 2024.
- Alter Technology Group had 540 employees in 2024, a 0.3% decline (-2) from 2023.
- Alter Technology Group had 542 employees in 2023, a 3.8% increase (+21) from 2022.
Alter Technology Group's total workforce has declined from 542 employees in 2023 to 506 in 2025. Alter Technology Group's headcount peaked at 588 in 2024.
Alter Technology Group SL — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 506 | -34 | -6.5% |
| 2025 | Q3 | 508 | -44 | -8.3% |
| 2025 | Q2 | 531 | -34 | -6.3% |
| 2025 | Q1 | 531 | -57 | -10.3% |
| 2024 | Q4 | 540 | -2 | -0.3% |
| 2024 | Q3 | 552 | +10 | +1.8% |
| 2024 | Q2 | 565 | +26 | +4.8% |
| 2024 | Q1 | 588 | +46 | +8.2% |
| 2023 | Q4 | 542 | +21 | +3.8% |
| 2023 | Q3 | 542 | +35 | +6.6% |
| 2023 | Q2 | 539 | +46 | +9.0% |
| 2023 | Q1 | 542 | +32 | +6.2% |
Want to see Alter Technology Group's complete headcount history back to 2017, including quarterly breakdowns?
Spain accounts for the largest share of Alter Technology Group's global workforce with approximately 83% of total employees, followed by France and the United Kingdom. Alter Technology Group's headcount in France is growing fastest among its major locations, up 5.6% year over year in 2025.
Alter Technology Group employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| Spain | 425 | 83.0% | -3.5% |
| France | 67 | 13.0% | +5.6% |
| United Kingdom | 6 | 1.2% | +0.0% |
| United States | 6 | 1.2% | +0.0% |
| Turkey | 2 | 0.4% | +0.0% |
| Argentina | 2 | 0.4% | +0.0% |
| South Korea | 2 | 0.3% | +0.0% |
| Dominican Republic | 1 | 0.3% | +0.0% |
| Netherlands | 1 | 0.3% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Alter Technology Group's largest employee groups are Finance and Operations (42.0%), Engineering (31.2%), and Sales and Marketing (26.7%).
Alter Technology Group employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 215 | 42.0% | -5.8% |
| Engineering | 160 | 31.2% | -3.9% |
| Sales and Marketing | 137 | 26.7% | +5.4% |
Compare Alter Technology Group's department mix to industry peers.
Alter Technology Group's average employee salary is $46,583 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.9x the global average. Pay is lowest in Southern Europe, at a median of $40,000.
Alter Technology Group median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $90,000 |
| Northern Europe | $83,000 |
| Western Europe | $46,000 |
| Southern Europe | $40,000 |
Unlock salary by role, level, and city — and compare to Alter Technology Group's industry peers.
- Alter Technology Group had 4 active job postings in 2025, a 28.6% increase (+1) from 2024.
- Alter Technology Group had 3 active job postings in 2024, a 0% no change from 2023.
- Alter Technology Group had 3 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2025: 3 new roles/month, up from 3 in 2024 and 5 in 2023. New metric
Alter Technology Group's active job postings rose 28.6% in 2025 to 4, with new postings per month cooling from 5 in 2023 to 3 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Alter Technology Group's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Aerospace and Defense Companies by Employee Count
- How fast is Alter Technology Group growing?
- In 2025, Alter Technology Group's headcount shrank 6.5% to 506 employees, down from 540 in 2024.
- Where are Alter Technology Group employees located?
- Most Alter Technology Group employees are based in Spain (83.0% of headcount), followed by France and the United Kingdom.
- What is the average salary at Alter Technology Group?
- The average employee salary at Alter Technology Group is approximately $46.6k per year.
- How many people does Alter Technology Group hire per year?
- In 2025, Alter Technology Group opened roughly 36 new roles — about 3 per month.
- When was Alter Technology Group founded and where is it headquartered?
- Alter Technology Group was founded in 1986 and is headquartered in Seville, Spain.
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