WARNING: There is an increasing number of fraudulent websites that impersonate SIOP2025. We recommend you only register via this website, directly with the official Conference organizer, or use a trusted group registration service.

IMPORTANT: The congress will not be broadcasted live. But on-demand recordings will be made available to delegates who chose the  “On Demand – Recording ONLINE” registration option (automatically incl. for ONSITE participants).

Registration fees (in EUR):

Fees apply to payments received prior to the indicated deadlines.

* SIOP, IPSO and PROS Members: in order to apply for this category, please ensure your membership is approved and fees are paid for 2025 before you start the registration process. Registration will not be confirmed otherwise. Join or renew your SIOP Membership – click here
Important! In order to benefit from SIOP Membership reduced rate – please apply for membership at least 5 working days prior to registration deadline.
** LIC/LMIC/UMIC – Low-Income Countries registration fee refers to Low income, Lower-middle-income and Upper-middle-income economies as listed here and defined according to the World Bank Country Classification. Click here to see the list of countries
*** Young SIOP Member / IPSO Young Surgeons– Young Investigators/ Surgeons aged 39 or less.
****Students/Residents/Fellows-In order to benefit from the special fee, a submission of your status confirmation (approval letter signed by the Head of Department or copy of your status ID) must be uploaded during the online registration.
***** Psycho-social workers and Health care professionals

What does the registration fee include:

What the registration fees include (In-person participation):

• Access to all Sessions
• Invitation to the Opening Ceremony and Welcome Reception
• Access to the Exhibition and Poster Area
• Refreshments according to the congress timetable
• All sessions will be available on demand in the virtual platform for up to 3 months after the meeting

What the registration fees include (On-demand recording/Online participation):

• Open access to all presentations and session recordings.
• Earn CME credits. Be eligible to receive the number of CME credits attributed to the virtual meeting.
• Access all the e-posters. Browse research on the hottest topics published in the congress digital abstract book and connect with the abstract authors and other colleagues from around the world through the e-poster virtual consultations.

Please note that as a SIOP member, you can access all videos for free from SIOP CONNECT as of Jan 2026 (part of your SIOP membership benefits). However, if you choose to access the recordings via SIOP CONNECT in Jan 2025, you will not be able to get CME credits.

Payment Methods:

Payment of registration fees (in EUR) can be done via the online registration process by the following methods:

By Credit Card: Visa, MasterCard or American Express

By Bank Transfer: (Additional 30 EUR handling fee is required)

• Please ensure that the name of the meeting and the reference number of the participant is stated on the bank transfer.

• Bank charges are the responsibility of the participant and should be paid at source in addition to the registration fees.

Please make drafts payable to:

Account name: SIOP25 Congress Amsterdam
Bank details: Credit Suisse Bank Geneva Branch, 1211 Geneva 70, Switzerland
Account number: 1500934-92-733
IBAN: CH12 0483 5150 0934 9273 3
Currency: EUR

• Registration will only be valid upon receipt of the full payment by the registration department according to the deadline indicated. An email confirming registration will only be sent after receipt of the required fees.
• Outstanding payments will be collected on-site and charged the on-site rate. A copy of the bank transfer (or other proof of payment) will be required in the event that registration fees were not credited to the meeting account on time.

Registration Cancellation​​​ Policy:

All cancellations must be electronically mailed. Refund of registration fee will be as follows:
Note: in case of cancellation at any stage, Bank transfer admission fee (30 EUR) will not be refunded – applicable to Bank Transfer payments only.
• Cancellations received up to and including July 24, 2025 – Full refund
• Cancellations received from July 25 to September 30, 2025 (including), 2024 – 50% will be refunded
• From October 1, 2025 – no refund will be made

Group Registration:

For group registration of 10 participants and more visit the Group Registration page.