How many employees work at Deltares?
Deltares has approximately 887 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Deltares's total headcount has grown 2.8% from 863 employees in 2023 to 887 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Deltares hiring right now?
Yes, Deltares is actively hiring. Deltares had 9 active job postings in 2026, a 25.0% increase from 2025 — see job openings & hiring trends.
About Deltares's Workforce
Deltares is a Research and Development company that employs 887 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 2008, the company is headquartered in Delft, Netherlands.
Deltares's workforce has grown 2.8% from 2023 to 2026, and is up 2.4% year over year in 2026. It fell to a low of 860 in 2025 Q4 before recovering. Its workforce is concentrated most in the Netherlands (97.1%), followed by Singapore (0.6%) and the United States (0.5%), with Singapore, its fastest-growing location, up 19.5%.
Deltares's largest functional groups are Finance and Operations (55.2%), Sales and Marketing (26.8%), and Engineering (18.0%), with Sales and Marketing growing fastest (up 3.0%). The average tenure is 6.7 years, and the average salary is $74,419, ranging from a median of $81,000 in Northern America to $36,000 in South-Eastern Asia.
Deltares's active job postings rose 25.0% in 2026 to 9, with new postings per month cooling from 11 in 2023 to 8 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
As of March 2026
Deltares
workforce metrics
Headcount
887
2.4% YoY
Avg. Salary
$74.4k
0.5% YoY
Tenure
6.7yr
0.5yr YoY
Growth Rate
2.4%
5.4pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Deltares. Compare to peers, export the dataset, and access the full quarterly history.
- Deltares had 887 employees in 2026, a 2.4% increase (+12) from 2025.
- Deltares had 860 employees in 2025, a 0.1% increase (-18) from 2024.
- Deltares had 878 employees in 2024, a 2.0% decline (-9) from 2023.
- Deltares had 887 employees in 2023, a 3.8% increase (+68) from 2022.
Deltares's total workforce has grown from 860 employees in 2025 to 887 in 2026. Deltares's headcount peaked at 918 in 2024 before declining in 2025 and recovering through 2026.
Deltares — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 887 | +12 | +2.4% |
| 2025 | Q4 | 860 | -18 | +0.1% |
| 2025 | Q3 | 862 | -38 | -2.3% |
| 2025 | Q2 | 871 | -47 | -3.1% |
| 2025 | Q1 | 875 | -37 | -3.0% |
| 2024 | Q4 | 878 | -9 | -2.0% |
| 2024 | Q3 | 900 | +21 | +1.9% |
| 2024 | Q2 | 918 | +55 | +3.1% |
| 2024 | Q1 | 912 | +62 | +3.5% |
| 2023 | Q4 | 887 | +68 | +3.8% |
| 2023 | Q3 | 879 | +78 | +3.0% |
| 2023 | Q2 | 863 | +78 | +3.2% |
Want to see Deltares's complete headcount history back to 2008, including quarterly breakdowns?
The Netherlands accounts for the largest share of Deltares's global workforce with approximately 97% of total employees, followed by Singapore and the United States. Deltares's headcount in Singapore is growing fastest among its major locations, up 19.5% year over year in 2026.
Deltares employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| Netherlands | 854 | 97.1% | +1.6% |
| Singapore | 5 | 0.6% | +19.5% |
| United States | 4 | 0.5% | +0.0% |
| Indonesia | 3 | 0.3% | -55.3% |
| Egypt | 3 | 0.3% | -35.8% |
| Vietnam | 2 | 0.3% | +0.0% |
| Kosovo | 1 | 0.2% | +0.0% |
| Germany | 1 | 0.1% | -67.0% |
| Brunei | 1 | 0.1% | +0.0% |
| Belgium | 1 | 0.1% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Deltares's largest employee groups are Finance and Operations (55.2%), Sales and Marketing (26.8%), and Engineering (18.0%).
Deltares employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 482 | 55.2% | +0.4% |
| Sales and Marketing | 235 | 26.8% | +3.0% |
| Engineering | 158 | 18.0% | +1.3% |
Compare Deltares's department mix to industry peers.
Deltares's average employee salary is $74,419 globally. Employees in Northern America receive the highest compensation. Pay is lowest in South-Eastern Asia, at a median of $36,000.
Deltares median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $81,000 |
| Western Europe | $68,000 |
| South-Eastern Asia | $36,000 |
Unlock salary by role, level, and city — and compare to Deltares's industry peers.
- Deltares had 9 active job postings in 2026, a 25.0% increase (+3) from 2025.
- Deltares had 6 active job postings in 2025, a 18.2% increase (+1) from 2024.
- Deltares had 5 active job postings in 2024, a 46.2% decline (-3) from 2023.
- Deltares had 8 active job postings in 2023, a 22.2% decline from 2022.
- Hiring velocity in 2026: 8 new roles/month, up from 8 in 2025 and 7 in 2024. New metric
Deltares's active job postings rose 25.0% in 2026 to 9, with new postings per month cooling from 11 in 2023 to 8 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Deltares'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.
Similar Research and Development Companies by Employee Count
- How fast is Deltares growing?
- In 2026, Deltares's headcount grew 2.4% to 887 employees, up from 875 in 2025.
- Where are Deltares employees located?
- Most Deltares employees are based in the Netherlands (97.1% of headcount), followed by Singapore and the United States.
- What is the average salary at Deltares?
- The average employee salary at Deltares is approximately $74.4k per year.
- How many people does Deltares hire per year?
- In 2026, Deltares opened roughly 96 new roles — about 8 per month.
- When was Deltares founded and where is it headquartered?
- Deltares was founded in 2008 and is headquartered in Delft, Netherlands.
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