Contact Us

Thank you for your interest in Qt. Please take a moment to fill out the necessary information below. We look forward to speaking with you.

If you are already a Qt customer and have a question about your licenses, payment or account, please contact us through the Qt Account: https://login.qt.digia.com/login. 

Digia Qt Offices

Americas Sales

Digia USA Inc.

2350 Mission College Blvd., Suite 1020
Santa Clara, California 95054, U.S.A
Fax: + 1 408 433 9360
Phone: +1 408 433 9320

Europe, Africa, India Sales

Visiting Address:
Digia, Qt
Sandakerveien 116
0484 Oslo, Norway
Sales Questions Phone: +47 21 08 04 20
Digia Norway Office Phone: +47 21 08 04 30
Fax: +47 21 08 04 39

Mailing Address:
Digia Norway AS
Postboks 23
0410 Nydalen / Oslo, Norway

Russia
Digia Russia, Qt
Email: Digia.ru@digia.com

22 Moskovsky pr.
Saint-Petersburg, Russia, 190013
Phone: +7 812 309 18 83

China Sales

Digia China, Qt
Email: qt.sales.cn@digia.com

Beijing
2001, East Ocean Centre 24A
Jianguomenwai Avenue
Changyang, Beijing, China  
Phone:+86 010 65155271 ext.802  Mobile: +86 13601115753 
Fax:+86 010 65150477 


Shanghai
Suite 2219, 22/F Sino Life Tower, 707 Zhangyang Road,
Pudong New District, Shanghai
Tel: +86 21-61263125
Mobile:  +86 18049921336

Chengdu
V08, Floor 4F, Building B3, Tianfu Software park,
No.801 Tianfu Avenue Mid Section, Chengdu
Tel: +86 028-85323310 
Fax:+86 028-85323307

R&D

Finland

JYVÄSKYLÄ
Piippukatu 11, PO Box 354
FI-40101 Jyväskylä
Tel: +358 10 313 3000
Fax +358 10 313 4700

OULU
Elektroniikkatie 10
FI-90590 Oulu
Tel: +358 10 313 3000
Fax: +358 10 313 4022

Germany

Rudower Chaussee 13, 12489 Berlin, Germany
Tel: +49 30 63923255

Norway

Visiting Address:
Sandakerveien 116, 0484 Oslo, Norway

Mailing Address:
Digia Norway AS
Postboks 23
0410 Nydalen / Oslo, Norway