• Integrated approach

  • Team player

  • Innovative solutions in projects

How we work

Any assignment Witteveen+Bos works on requires a customised solution. However, there is a common theme in how we work and what we consider important.

Witteveen+Bos is an engineering consultancy that seeks to offer the very highest level of quality, because we believe that a commitment to excellence is key to developing sustainable solutions for today‚Äôs challenges. We aim to be very good at what we do. Our staff are experts in their respective disciplines and pursue ongoing innovation. We work with expert partners and maintain a culture of entrepreneurship and trust. We consider it essential that our actions are guided by our key quality attributes: expertise, reliability and commitment. Our corporate culture is characterised by trust and scope for entrepreneurship. It is essential that everyone is enabled to excel at what he or she does, and that we offer an environment that promotes creativity and innovation.

We aim to be an engaged partner that treats its stakeholders with integrity. Our responsibilities and the way we do business are described in our Company Code. All Witteveen+Bos employees worldwide must act in accordance with this code and the resulting arrangements.

Integral designing

Curious about our integral, cyclical and multifunctional design approach?

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Building Information Model

BIM makes the process of integral designing more efficient and allows stakeholders to experience the effects by means of VR

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Collaboration is key

For every assignment, we always try to assemble the best possible team

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Doing business with a creative mind

We innovate in projects together with others

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Sustainable designs

Learn more about our sustainable design principles and other tools

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Pleasant working environment

Our innovative office concept optimises multidisciplinary and integrated collaboration

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ISO 9001 is the world's best known and most widely used certification scheme when it comes to quality management systems. An important goal of ISO 9001 is to increase customer satisfaction. 


ISO 17025 provides general requirements for the competence of, test laboratories. Witteveen+Bos can perform various environmental measurements in the field of odour, emissions and noise under RvA accreditation. Information about our accredited scope can also be found on the RvA website under registration number L402. Click here to see the list of transactions under ISO 17025 accreditation



The CO2-Performanceladder is a Dutch scheme with the aim of reducing the emission of greenhouse gases. The scheme is in line with the principles of both the GHG Protocol and ISO 50001. 



The United Nations Global Compact is a strategic policy initiative for companies that are committed to aligning their activities and strategies with ten universally accepted principles in the areas of human rights, labour, the environment and anti-corruption. Witteveen+Bos endorses these principles and publishes an annual report on them. Specific information about Witteveen+Bos is available in English on the UN Global Compact website. 




The Safety Ladder is a Dutch scheme with the aim of increasing safety awareness. Information about our certification is included in the public register.



SCC is the most widely used scheme in the Netherlands in the field of safety, health and environment. Information about our certification is available on the SCC website.



The BRL SIKB 6000 is a Dutch scheme that has been developed for environmental guidance of (water) soil remediation, interventions in the waterbed and aftercare. The website of RWS Leefomgeving contains information about our recognition. Information about our certification can be found on the KIWA website.



In the Netherlands, polluted soil is regarded as waste. For the collection, transport, trading or mediation of/in waste materials, an entry on the VIHB list is mandatory with the NIWO foundation. Information about our registration can be found on the NIWO website.


NIWO Certificate

Witteveen+Bos holds the ISO 27001 certificate for the scope 'network and system management' and dealing with privacy according to the AVG. ISO 27001 is an information security standard adopted by ISO, the international organisation that sets standards.