Frequently asked questions
If you have a specific question about TNO, check out our frequently asked questions to find the answer.
Where can I find TNO reports?
Can I request all reports?
Reports published following testing of (consumer) products are not public. These results may only be provided to the client.
How do I submit a request under the Government Information (Public Access) Act?
Government Information (Public Access) Act requests should be submitted in writing to Corporate Legal.
TNO Testing and Certification
Does TNO test consumer products and foods?
For the most part, TNO has stopped conducting standard tests and analyses of consumer products, foods, and construction materials. For some of these activities separate private limited companies have been established:
Does TNO do CE marking?
TNO carries out very limited CE certification, which is limited to a number of products in the construction sector. General information on CE marking, among other things, can be found on the euronorm website.
Does TNO do ISO certification for companies?
TNO is no longer engaged in ISO certification for companies. See the RvA website.
Is TNO ISO-gecertificeerd?
Yes, download TNO's ISO 9001 certificate (pdf, 1.2 MB).
For private individuals
Does TNO still test consumer products such as subfloors, mattresses, and textiles?
No, TNO no longer tests consumer products such as subfloors, mattresses, textiles.
Where can I find information about tested products?
Information about previously tested products is not available from TNO. You may want to contact the party for whom the test was carried out. This is usually the manufacturer. We do not have any general information or guidelines with which products must comply.
Where can I find information for a technasium assignment?
Where can I ask questions for my subject cluster project for school?
Working at TNO
Where can I find information about vacancies, internships, traineeships, or work placements?
You can find information about vacancies, internships, traineeships, and work placements at Careers at TNO.
Where can I find out more about the press officers?
If you are a journalist and would like to know more about our work, please contact our press officers.
Where can I find the Accounts Payable department?
If you have any questions for the Accounts Payable department, please call +31(0)88 866 62 88 or send an e-mail to email@example.com.
What are the contact details of the Purchasing department?
Where can I submit a complaint?
In case of a complaint about the actions of TNO or a TNO employee and all other questions, requests, and documents regarding legal issues, please contact the Corporate legal and compliance department.
Does TNO participate in sponsorship?
In principle, we do not participate in external sponsorship. TNO is a non-profit organisation and doesn’t have its own budget, which means there is no freedom to spend financial resources. Available funds are entrusted to us by the government and other clients, among others, for investment in research and innovation.