Annual report 2025
Progress through change
Annual report 2025
In 2025, Witteveen+Bos generated added value for biosphere, economy and society on more than 4,500 projects together with its clients and partners. Our 1,710 dedicated colleagues worked on developing solutions to complex challenges in 54 countries.
Interplay
Employing expertise and curiosity, we collaborated on challenges that matter. In the interplay between bringing expertise together and pushing boundaries, more is produced than just the sum of the parts. And that is how we make more impact together.
Last year, we worked on our new strategic course using three pillars: Talent and Knowledge, Organisation and Culture, and Portfolio.
In this 2025 annual report, we share our results and outline the six impact areas we are committed to. You will also learn more about the people behind Witteveen+Bos. Enjoy reading!
Net result
EUR 22.5 million
Revenue (N.V.)
EUR 225 million
Employees
1,710
Projects
4,509
Portraits
of 10 employees
Value for society through projects
In 2025, we contributed on more than 4,500 projects to tackling challenges in areas including climate change (adaptation), biodiversity, liveability and mobility in cities, and the transitions in the water, energy and heat sectors.
By exploiting our expertise, organisational strength, knowledge, experience, data, and technology, we devise concrete, sustainable and integrated solutions.
Like to read more about our projects of last year? See the list for a selection.
The influence of electromagnetic fields on fish
Area development Wilderszijde
Biodiversity and climate
Centralised sludge digestion
Mangrove restoration Sei Jang
Tool for Integrated Programming (TIP)
Developing systems knowledge with eDNA
Tunnel renovations project in Zuid-Holland
Urban area plans for water and greenery in Antwerp
Widening of Yangtze Canal in Maasvlakte, Rotterdam
WFD: clean water for Vechtstromen water authority
