
Want to do more with eIDAS trust services, ID-wallets and electronic identification?
We are the creators of a real Dutch Qualified Trust Service Provider (QTSP). We aim to help you with everything related to eIDAS digital qualified trust services, ID-wallets and electronic identification.
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Do you want to become a Qualified Trust Service Provider (QTSP)?
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Do you need help with the certification of your electronic eIDAS trust services or EDI-wallet?
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Do you want to have new eIDAS trust services built and set up?
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Do you want to issue attributes to the European digital wallet in 2026?
Discover who we are
We at House of Trust are eager to help you further. And because we have built and certified a QTSP ourselves, we know exactly how this is done.
Want to know who we are? Get to know us.
If you prefer to do it yourself, take a look at our handy online tools that will help you get started quickly.
Curious about what we do?





A look into our kitchen
We have successfully established a Dutch QTSP with a small, highly skilled team, from A to Z. Our team's expertise and dedication have been instrumental in this achievement, and we are eager to share our experience. While we can't reveal the entire recipe, we are here to guide you with some essential ingredients.
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Preparation and approach
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Start with a small, skilled and experienced team. This will significantly shorten your turnaround time.
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Set clear goals, limit the scope and ensure good project management.
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Involve the people who will have to operate the confidential service from the start.
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Involve the auditor and supervisor early and inform them about your plans.
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Organization and technology
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Don't just focus on technology. The design of the organisational measures is just as important
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Select the right technology within your PKI infrastructure depending on the type of trust service.
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Certification
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Plan your ETSI, ISO or TWS certification well and prepare well. Obtaining a certification is a profession in itself.
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Obtaining your certification is an important goal. Also, prepare well to maintain your certification.
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Production
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Ensure a controlled transition from the project phase to management by the operation.
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Initially, the new trust service will not run optimally. Therefore, implement a continuous improvement process.
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What are electronic trust services?
Digital trust services
Electronic trust services increase confidence in online transactions among companies and consumers. Examples include electronic signatures, digital seals, and time stamps on digital documents.
The eIDAS regulation
The European member states have agreed to use the same concepts, reliability levels, and mutual digital infrastructure to facilitate the international use of electronic trust services. These agreements are laid down in European Regulation No. 910/2014 on electronic identification and trust services for electronic transactions in the internal market, also called the eIDAS regulation. eIDAS stands for 'Electronic Identification And Trust Services'.
Qualified and advanced trust services
Qualified trust services can only be provided by Qualified Trust Service Providers (QTSPs). Following the eIDAS Regulation (Article 22), each Member State must establish and maintain a reliable list of qualified trust service providers and the trust services they offer. Consumers and organisations benefit from the legal consequences resulting from the qualified status of these trust services.
In the Netherlands, you must submit a positive Conformity Assessment Report (CAR), drawn up by a Certified Assessment Body (CAB), to the supervisory authority of the National Digital Infrastructure Inspectorate (RDI). After the supervisor's approval, she may put you on this trusted list. A European Trust Service List (TSL) is currently used for this.
Non-qualified Trust Service Providers (TSPs) and trust services can also be admitted to this Trust Service List. Critical differences from QTSPs and qualified trust services include the following:
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No Conformity Assessment Report (CAR) is required
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No registration or approval from the supervisor is required to be admitted
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Specific requirements that apply to QTSPs do not apply to TSPs.
This does not alter the fact that TSPs must meet all kinds of requirements in security, technology, and organisational measures. TSPs (just like QTSPs) will also have to report incidents that impact the security or integrity of data to the relevant supervisory authority(ies).