Treffio brings registration, ticket payments, guest lists, and check-in into one system – so HR and event managers can focus on the event itself.
Design your event website and app in minutes
Get started in three simple steps
Design your event registration and app in minutes. Add details, logic, and branding.
Send invitations by email or SMS, or share a link. Watch registrations come in.
Guests get a simple app and a great experience. You get a modern system that handles everything.
For you who…
Want to give your guests a modern experience
Treffio brings information, tickets, communication, and more into one app. No manual emails – guests can cancel or update their registration themselves.

Want a proven platform
Treffio runs many large events every year, with thousands of guests and tickets.
Care about Danish support, hosting, and security
Everything is built in Denmark with industry-leading security and full GDPR compliance.
Want everything in one place
Build your event universe online. Schedule emails and SMS, create advanced registration forms, run ticket scanning, and more.
Simple, transparent pricing
All prices are annual.
Perfect for smaller events
0 DKK /year
DKK 1,600 per event + DKK 8 per registration
Get startedFor companies and event agencies
5.000 DKK /year
DKK 1,600 per event + DKK 8 per registration
Get startedFor large companies and organisations
Custom
We'll find the right solution with you
Contact us
"Treffio made our annual company party completely stress-free. Guests loved the app, and I could finally enjoy the event myself."
How was your experience with the Treffio app?
How was the check-in experience?
Guest evaluation from Scan Global Logistics festival · 1 is lowest, 5 is highest
Frequently asked questions
Questions we often get
Fill in the form and we’ll contact you to arrange a free demo of Treffio — no obligation.