Eventsize

OTSA

OTSA is a partnership of over 300 schools and organisations who share the belief that we have a moral responsibility to work together for the benefit of all children and young people.

0 followers

Choose Country

Start Selling Event Tickets

Planning an event and need to collect payments, send automated reminders, and automate check-ins? Get started by registering below:

Quick Navigation

Eventsize is a worldwide events discovery and online ticketing platform. Easily find events to attend in your city, and equip yourself with all the necessary tools to sell tickets for your events.

© 2025 Eventsize. All Rights Reserved.