How many employees work at OLI-Sistemas Sanitarios?
OLI-Sistemas Sanitários SA has approximately 528 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. OLI-Sistemas Sanitarios’s total headcount has declined 3.2% from 545 employees in 2023 to 528 in 2026.
Is OLI-Sistemas Sanitarios hiring right now?
Yes, OLI-Sistemas Sanitarios is actively hiring. OLI-Sistemas Sanitarios had 10 active job postings in 2026, a 200.0% increase from 2025 — see job openings & hiring trends.
About OLI-Sistemas Sanitarios’s Workforce
OLI-Sistemas Sanitários SA is an Engineering and Construction Services company that employs 528 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1954, the company is headquartered in Aveiro, Portugal.
OLI-Sistemas Sanitarios's workforce has declined 3.2% from 2023 to 2026, though it is up 0.4% year over year in 2026. It fell to a low of 510 in 2025 Q4 before recovering. Its workforce is concentrated most in Southern Europe (90.5%), followed by Western Europe (4.9%) and South America (2.9%).
OLI-Sistemas Sanitarios's functional groups are Finance and Operations (49.4%), Engineering (27.7%), and Sales and Marketing (22.9%), with Finance and Operations growing fastest (up 3.1%). The average salary is $30,133, ranging from a median of $31,000 in Western Europe to $6,000 in South America, down 0.9% year over year in 2026.
OLI-Sistemas Sanitarios's active job postings rose 200.0% in 2026 to 10. Overall employee sentiment is neutral and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- Aveiro, Portugal
- Founded
- 1954
- Industry
- Engineering and Construction Services
- Employees
- 528
- YoY
- +0.4% (+8)
As of March 2026
OLI-Sistemas Sanitarios workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for OLI-Sistemas Sanitarios. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsOLI-Sistemas Sanitarios Annual Employee Count (2023-2026)
- OLI-Sistemas Sanitarios had 528 employees in 2026, a 0.4% increase (+8) from 2025.
- OLI-Sistemas Sanitarios had 510 employees in 2025, a 1.7% decline (-15) from 2024.
- OLI-Sistemas Sanitarios had 525 employees in 2024, a 1.6% increase (-1) from 2023.
- OLI-Sistemas Sanitarios had 526 employees in 2023, a 0.9% decline (-31) from 2022.
OLI-Sistemas Sanitarios's total workforce has grown from 510 employees in 2025 to 528 in 2026. OLI-Sistemas Sanitarios's headcount peaked at 545 in 2023 before declining in 2025 and recovering through 2026.
OLI-Sistemas Sanitários SA quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 528 | +8 | +0.4% |
| 2025 | Q4 | 510 | -15 | -1.7% |
| 2025 | Q3 | 511 | -7 | +0.2% |
| 2025 | Q2 | 520 | +5 | +1.7% |
| 2025 | Q1 | 520 | -12 | -0.4% |
| 2024 | Q4 | 525 | -1 | +1.6% |
| 2024 | Q3 | 518 | -19 | -0.9% |
| 2024 | Q2 | 515 | -30 | -1.4% |
| 2024 | Q1 | 532 | -22 | +0.1% |
| 2023 | Q4 | 526 | -31 | -0.9% |
| 2023 | Q3 | 537 | -30 | -2.5% |
| 2023 | Q2 | 545 | -60 | -6.7% |
See OLI-Sistemas Sanitarios's complete headcount history, including quarterly breakdowns.
Get the DataOLI-Sistemas Sanitarios Employee Count by Region (2026)
Southern Europe accounts for the largest share of OLI-Sistemas Sanitarios's global workforce with approximately 91% of total employees, followed by Western Europe and South America.
OLI-Sistemas Sanitarios employees by region
| Region | Employees | % of Total |
|---|---|---|
| Southern Europe | 476 | 90.5% |
| Western Europe | 26 | 4.9% |
| South America | 15 | 2.9% |
| Pacific Islands | 2 | 0.4% |
| Eastern Europe | 2 | 0.4% |
| Northern Europe | 2 | 0.4% |
| Southeast Asia | 2 | 0.4% |
| South Asia | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataOLI-Sistemas Sanitarios Employee Count by Department (2026)
OLI-Sistemas Sanitarios's employee groups are Finance and Operations (49.4%), Engineering (27.7%), and Sales and Marketing (22.9%).
OLI-Sistemas Sanitarios employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 258 | 49.4% |
| Engineering | 145 | 27.7% |
| Sales and Marketing | 120 | 22.9% |
Compare OLI-Sistemas Sanitarios's department mix to industry peers.
See Full DataOLI-Sistemas Sanitarios Employee Salary by Region (2026)
OLI-Sistemas Sanitarios's average employee salary is $30,133 globally. Employees in Western Europe receive the highest compensation. Pay is lowest in South America, at a median of $6,000.
OLI-Sistemas Sanitarios median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $31,000 |
| Southern Europe | $24,000 |
| South America | $6,000 |
Unlock salary by role, level, and city — and compare to OLI-Sistemas Sanitarios's industry peers.
Unlock Salary DataOLI-Sistemas Sanitarios Job Openings and Hiring Trends (2023-2026)
- OLI-Sistemas Sanitarios had 10 active job postings in 2026, a 200.0% increase (+2) from 2025.
- OLI-Sistemas Sanitarios had 8 active job postings in 2025, a 200.0% increase (+8) from 2024.
- OLI-Sistemas Sanitarios had 0 active job postings in 2024, a 200.0% decline (-2) from 2023.
- OLI-Sistemas Sanitarios had 2 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 2 new roles/month, up from 2 in 2025 and 0 in 2024.
OLI-Sistemas Sanitarios's active job postings rose 200.0% in 2026 to 10.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataOLI-Sistemas Sanitarios Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across OLI-Sistemas Sanitarios's workforce based on public professional data. Overall sentiment is neutral and has held steady 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 OLI-Sistemas Sanitarios
- How fast is OLI-Sistemas Sanitarios growing?
- In 2026, OLI-Sistemas Sanitarios's headcount grew 0.4% to 528 employees, up from 520 in 2025.
- See the full headcount history
- Where are OLI-Sistemas Sanitarios employees located?
- Most OLI-Sistemas Sanitarios employees are based in Southern Europe (90.5% of headcount), followed by Western Europe and South America.
- Explore where the workforce is based
- What is the average salary at OLI-Sistemas Sanitarios?
- The average employee salary at OLI-Sistemas Sanitarios is approximately $30.1k per year.
- Analyze the salary distribution
- How many new job postings does OLI-Sistemas Sanitarios open per year?
- In Q1 2026, OLI-Sistemas Sanitarios opened 7 new job postings. In 2025, OLI-Sistemas Sanitarios opened 29 new job postings — about 2 per month.
- Track hiring trends by role
- When was OLI-Sistemas Sanitarios founded and where is it headquartered?
- OLI-Sistemas Sanitarios was founded in 1954 and is headquartered in Aveiro, Portugal.
- Compare OLI-Sistemas Sanitarios to industry peers
Speak with a workforce expert about OLI-Sistemas Sanitarios.
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