Logging in to TWinternet with eHerkenning (eRecognition)

You can apply for A1 certificates for your employees through TWinternet. At some point in 2022, you will need eHerkenning niveau EH3 (level 3) to be able to log in to TWinternet. eHerkenning allows people with their own business to manage their affairs with public sector organisations online.

eHerkenning is a login method for businesses similar to the personal DigiD login.

eHerkenning gives your business secure access to the SVB and other Dutch public sector organisations such as the UWV, the Chamber of Commerce (KvK) and the Tax and Customs Administration (Belastingdienst), using a 1-password login.

To log in to TWinternet, you will need ‘eHerkenning niveau EH3’. This ensures that you can access Twinternet safely online and your data is secure. For EH3, you log in via eHerkenning with:

  • a username, and
  • a password, and
  • extra verification. Verification methods can vary depending on which eHerkenning supplier you choose, for example an SMS code sent to your telephone, or a PIN code (through a token)

Select 1 of the eHerkenning suppliers that have been approved by the government. ‘Approved suppliers’ are the suppliers that have met the conditions set by the Government (Rijksoverheid) for eHerkenning.

What should you look for in a supplier?

Level of assurance

The assurance level for Twinternet needs to be at least Level 3 (niveau EH3). Applicants are obliged to provide proof of identity, so you should have your identity document ready when you speak to your supplier.

Authorising employees

If you want your employees to apply for A1 certificates for your enterprise, you will need to authorise each individual employee who will be logging in to our site via TWinternet with eHerkenning Level 3 (niveau EH3).

Apply for eHerkenning with your Dutch Chamber of Commerce registration number or branch number

You can apply for eHerkenning using your registration number with the Dutch Chamber of Commerce (KvK-nummer). If you wish to authorise others to act on your behalf, you will need your Chamber of Commerce branch number (KvK-vestigingsnummer). To access Twinternet, you will need eHerkenning with at least your Chamber of Commerce registration number. However, we recommend that you also state your Chamber of Commerce branch number when you apply for a Twinternet account.

If you need A1 certificates for different branches of your company, you should apply for a Twinternet account for each branch office. For more information about eHerkenning, please contact your supplier.

Chain legal authorisation for an intermediary

You can outsource work by appointing an agent or intermediary for eHerkenning. This is called supply chain authorisation. A person who has supply chain authorisation can manage your affairs for you through Twinternet.

Costs (purchase and use)

eHerkenning is not free of charge. The amount you have to pay varies between suppliers.

It is important to compare suppliers before making your choice. For more information, contact the supplier concerned.

If you already have eHerkenning access with your Chamber of Commerce registrationnumber (KvK-nummer) or branch number (vestigingsnummer), read about what to look out for when you apply for an A1 certificate.

You have eHerkenning access with your Chamber of Commerce registration number (KvK-nummer)

If you need certificates for employees at more than one branch office, you will need to apply to us for a Twinternet account for each branch, stating the Chamber of Commerce branch number (KvK-vestigingsnummer) for each account.

You already have eHerkenning access with a Chamber of Commerce branch number (KvK-vestigingsnummer)

You can apply to us for an account using your eHerkenning with your Chamber of Commerce branch number. 

What you need to log in to Twinternet with eHerkenning:

  • an account for TWinternet
  • a contract with an eHerkenning supplier with minimum level of assurance EH3
  • an authorisation for the employee who uses TWinternet in eHerkenning to manage business affairs with the SVB 
  • if you have an agent or intermediary, make sure that they are authorised