BME Spanish Markets: ATSI

How many employees work at Aplicaciones Tratamientos?

Aplicaciones y Tratamientos de Sistemas SA (ATSI) has approximately 3,087 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Aplicaciones Tratamientos's total headcount has grown 21.8% from 2,535 employees in 2023 to 3,087 in 2026.

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

Aplicaciones Tratamientos is hiring

Is Aplicaciones Tratamientos hiring right now?

Yes, Aplicaciones Tratamientos is actively hiring. Aplicaciones Tratamientos had 471 active job postings in 2026, a 32.9% increase from 2025 see job openings & hiring trends.

About Aplicaciones Tratamientos's Workforce

Aplicaciones y Tratamientos de Sistemas SA (ATSI) is an Information Technology Services company that employs 3,087 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 1994, the company is headquartered in Las Rozas de Madrid, Spain and trades on the BME Spanish Markets.

Aplicaciones Tratamientos's workforce has grown 21.8% from 2023 to 2026, and it is up 1.6% year over year in 2026. Its employees are concentrated most in Spain (95.3%), with Germany at 0.8% and the United Kingdom at 0.7%, while Portugal stands out as its fastest-growing location.

Aplicaciones Tratamientos's largest groups by headcount are Finance and Operations (37.6%), Engineering (32.8%), and Sales and Marketing (29.6%), with Engineering posting the fastest growth at 5.6%. The median tenure is 3.5 years, and the average salary is $50,935, with regional medians of $74,000 in Western Europe and $19,000 in Southern America.

Aplicaciones Tratamientos's hiring activity rose 32.9% in 2026, reaching 471 postings, while new postings per month have declined from 318 in 2023 to 244 in 2026. Overall employee sentiment is neutral and declining.

Sourced from Revelio Labs workforce data.

As of March 2026

Aplicaciones Tratamientos
workforce metrics

Headcount

3.1k

1.6% YoY

Avg. Salary

$50.9k

1.6% YoY

Tenure

3.5yr

0.5yr YoY

Growth Rate

1.6%

0.9pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of Aplicaciones Tratamientos annual worldwide employee count from 2023 to 2026.
  • Aplicaciones Tratamientos had 3,087 employees in 2026, a 1.6% increase (+268) from 2025.
  • Aplicaciones Tratamientos had 3,038 employees in 2025, a 3.3% increase (+333) from 2024.
  • Aplicaciones Tratamientos had 2,705 employees in 2024, a 0.8% increase (+132) from 2023.
  • Aplicaciones Tratamientos had 2,573 employees in 2023, a 2.0% increase (+181) from 2022.

Aplicaciones Tratamientos's total workforce has grown from 2,535 employees in 2023 to 3,087 in 2026.

Aplicaciones y Tratamientos de Sistemas SA — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q13,087+268+1.6%
2025Q43,038+333+3.3%
2025Q32,967+317+3.3%
2025Q22,957+367+4.2%
2025Q12,819+241+2.5%
2024Q42,705+132+0.8%
2024Q32,650+89+0.7%
2024Q22,590+55+0.3%
2024Q12,578+69+1.0%
2023Q42,573+181+2.0%
2023Q32,561+281+2.6%
2023Q22,535+386+3.5%

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Spain accounts for the largest share of Aplicaciones Tratamientos's global workforce with approximately 95% of total employees, followed by Germany and the United Kingdom. Aplicaciones Tratamientos's headcount in Portugal is growing fastest among its major locations, up 14.0% year over year in 2026.

Aplicaciones Tratamientos employees by country — 2026

CountryEmployees% of TotalYoY %
Spain2,85595.3%+3.2%
Germany250.8%-3.4%
United Kingdom220.7%+2.6%
Portugal190.6%+14.0%
United States120.4%-9.3%
Italy90.3%-3.2%
Mozambique60.2%+0.0%
India60.2%+0.0%
Uruguay60.2%-13.6%
Brazil50.2%+0.0%

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Aplicaciones Tratamientos's largest employee groups are Finance and Operations (37.6%), Engineering (32.8%), and Sales and Marketing (29.6%).

Aplicaciones Tratamientos employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations1,16037.6%+2.7%
Engineering1,01132.8%+5.6%
Sales and Marketing91329.6%+0.1%

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Aplicaciones Tratamientos's average employee salary is $50,935 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.5x the global average. Pay is lowest in Southern America, at a median of $19,000.

Aplicaciones Tratamientos median employee salary by region — 2026 (USD)

RegionMedian Salary
Western Europe$74,000
Northern Europe$67,000
Northern America$56,000
Southern Europe$49,000
Southern America$19,000
Central America and the Caribbean$15,000
Northern Africa$10,000
Sub-Saharan Africa$8,000
Southern Asia$7,000

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Interactive chart of Aplicaciones Tratamientos annual active job postings from 2023 to 2026.
  • Aplicaciones Tratamientos had 471 active job postings in 2026, a 32.9% increase (+182) from 2025.
  • Aplicaciones Tratamientos had 289 active job postings in 2025, a 46.9% decline (-177) from 2024.
  • Aplicaciones Tratamientos had 466 active job postings in 2024, a 7.6% decline (-37) from 2023.
  • Aplicaciones Tratamientos had 503 active job postings in 2023, a 104.8% increase from 2022.
  • Hiring velocity in 2026: 244 new roles/month, up from 225 in 2025 and 208 in 2024. New metric

Aplicaciones Tratamientos's active job postings rose 32.9% in 2026 to 471, with new postings per month cooling from 318 in 2023 to 244 in 2026.

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Revelio Labs tracks employee sentiment across Aplicaciones Tratamientos's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.

Overall

NegativePositive

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How fast is Aplicaciones Tratamientos growing?
In 2026, Aplicaciones Tratamientos's headcount grew 1.6% to 3,087 employees, up from 2,819 in 2025.
Where are Aplicaciones Tratamientos employees located?
Most Aplicaciones Tratamientos employees are based in Spain (95.3% of headcount), followed by Germany and the United Kingdom.
What is the average salary at Aplicaciones Tratamientos?
The average employee salary at Aplicaciones Tratamientos is approximately $50.9k per year.
How many people does Aplicaciones Tratamientos hire per year?
In 2026, Aplicaciones Tratamientos opened roughly 2,928 new roles — about 244 per month.
When was Aplicaciones Tratamientos founded and where is it headquartered?
Aplicaciones Tratamientos was founded in 1994 and is headquartered in Las Rozas de Madrid, Spain.

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