Exhibitor contact
Do you have any questions about exhibiting at opti?
Contact the opti team directly.
You have been exhibitor at opti before?
Returning exhibitors benefit from established visitor flows, a high-calibre trade audience and a platform that optimally combines innovation, practical relevance and business contacts.
In just a few steps, you can register as an exhibitor in the exhibitor portal for opti 2027. Therefore you have to register in the GHM portal.
How to register
Register on the new ► GHM Portal and then access all portals, services and information about the exhibition grounds with just one click.
Step 1
- Follow the link to the ► GHM Portal: This page is the central point of contact for all our events.
- A login screen integrated into the GHM portal opens.
- Click on "Forgotten your password?"
Step 2
- Now enter the email address in the field: Please use the email address provided in the email we sent you earlier.
- Click on "Submit"
Step 3
- A message will appear in the top left corner informing you that an email has been sent to you. Please check your inbox.
- Your email address was not recognised? Please send us some information using the support request form in the GHM Portal.
Step 4
- You will receive an email with a link to create your password.
- Please select any password in the "New password" field.
- Repeat the password you just selected in the "Confirm password" field.
- Now click on 'Submit'. Done!
Step 5
- You are now logged in to the GHM Portal.
- From here, you can manage all tasks related to your current and future trade fair participation, from registration and ticket management to stand design.
Do you have any questions? We are here to help!
Our team will be happy to assist you with your registration and any questions you may have about participating in opti again. Contact us by telephone or email.