HARICA Cert Manager is avaialble at: https://cm.harica.gr. HARICA services can also be accessed via the API - API documentation can be found here: https://developer.harica.gr/.
https://cm-stg.harica.gr/ can be used to test and get to know the service.
Please use the following support address: support-tcs@harica.gr.
The process is shown in the image below:

There are detailed support guides available at: https://guides.harica.gr/.
The following guides have also been created to explain the "Enterprise" workflow used for TCS:
TCS members that are also Identity Providers in eduGAIN must release the following attributes:
and may also release:
to the following HARICA EntityIDs:
Known issues:
EV certificates are NOT included in the HARICA TCS offer as we no longer see any value in supporting this certificate type as a default option. It will be possible to purchase these on an individual basis from HARICA if required for specific use cases.
This is available at: https://repo.harica.gr/rep_dyn.