US Sales East +1 617 823 0601
US Sales West +1 408 582 8526
US Admin +1 408 906 8407
You can reach us at any of our offices from Silicon Valley to Tokyo. Get in touch, we’d love to hear from you.Find Qt Offices
You can also find support from our global partner network including local distributors and partners offering services and technology all focused on your Qt needs.Find our Partners
If you are already a Qt customer and have a question about your licenses, payment or account, please contact us through your Qt account web portal.Account Login
To ensure your inquiry reaches the right Qt people as quickly as possible, please select the form most relevant to your needs.
Requests for pricing, upgrades, trials and the like.
Inquiries about premium support, professional services and consultancy offers.
Free trials are available for developers who are considering purchasing a Qt license for a commercial project.
Have questions about Qt and it's suitability for your commercial project? Reach out to us here.
For fastest response, commercially licensed customers should submit support requests via the Support Center found in the Qt account portal. If you have any other type of technical question regarding a commercial installation or trial you can also reach us here.
Submit questions concerning payment and invoicing issues here.
Interested in learning more about our training courses and want to talk to our training team? This is your best bet.
Are you interested in becoming part of the Qt ecosystem and would like to discuss a partnership. Start here.
None of the above was what you are inquiring about, you can try this.