How many employees work at Deltares?
Deltares has 897 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -4.1%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Deltares
Deltares is an independent institute for applied research in the field of water, subsurface. Throughout the world, we work on smart solutions, innovations and applications for people, environment and society. Our main focus is on deltas, coastal regions and river basins. Managing these densely populated and vulnerable areas is complex, which is why we work closely with governments, businesses, other research institutes and universities at home and abroad. For Deltares the quality of our expertise and advice is foremost. Knowledge is our core business. Deltares employs over 800 people and is based in Delft and Utrecht. Careers website www.careers.deltares.nl
As of December 2025
Deltares
workforce metrics
Headcount
897
Avg. Salary
$77.1k
Tenure
8.0yr
Growth Rate
-4.1%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Deltares annual worldwide employee count from 2023 to 2025.
- Deltares total number of employees in 2025 was 900, a 4.1% decline from 2024.
- Deltares total number of employees in 2024 was 938, a 2.0% decline from 2023.
- Deltares total number of employees in 2023 was 957, a 7.1% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Deltares annual active job postings from 2023 to 2025.
- Deltares active job postings in 2025 was 6, a 18.2% increase from 2024.
- Deltares active job postings in 2024 was 5, a 46.2% decline from 2023.
- Deltares active job postings in 2023 was 8, a 47.6% decline from 2022.
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Employee Sentiment
Sentiment Topics
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