Third Party Registrations («I want to register someone else») 

To register a third-party, please log in or create an ESO conference account. Do not use someone else’s credentials. After logging-in please click on «individual registration» and start the registration process. You will be asked if you would like to register yourself or someone else. Please click on «someone else» and enter the email address of your guest as well as the name and address details and continue with the registration. This way you are the registration owner (contact person), the registration invoice is sent to you exclusively.  

Group Registration 

To proceed with your group registration, please log in / create a profile here.  

Once logged in, please click on the tab «group registration». The first step is to buy a contingent by selecting the number of required registration tickets per category. You will receive a confirmation / invoice by email.  

Payment can either be done by credit card (Visa, MasterCard or Amex) or bank transfer. A different invoice address can be added separately.  

Individual participant’s data can be entered under «add participants» You can either add them one by one or upload the name list.  

To upload the name list, please click on «import» and »get template». Please fill in the excel file, all columns marked with an * are mandatory. You can then «upload» it to import the data.  

To register your delegates, the following data is required for every participant:  

• Email address (please use a valid and unique email address per person)  

• First and last name  

• Country  

• Proof of status if the registration category requires it (e.g., Trainee (Student/Fellow/Junior Researcher) or Nurse and AHP)  

• Prescriber confirmation (are you qualified to prescribe? Yes/No)  

Once the entry of participant data is completed, the registration tickets need to be allocated to the participants (click on «Distribution» to allocate the tickets).  

It is possible to purchase registrations without having all group members’ details prior to the early bird deadline. However, by 24 April 2026 at 23:59 CEST, you must enter/ upload your group members’ details and assign all purchased registrations via your group registration account.  

Registration confirmations can be sent to your guests in your group account. Please click on «group registration» and «registration confirmations». The registration team will send no confirmations to your guests.