Graubündner Kantonalbank (GKB) is the cantonal bank of Graubünden, headquartered in Chur with 45 branches. To log in to GKB E-Banking, use your contract number, mobile password, and additional security verification. Download the GKB Mobile Banking app for banking on the go.
Quick Access
How to Log In to GKB E-Banking
E-Banking (Web)
- Go to www.gkb.ch
- Enter contract number
- Enter password
- Complete additional security step
- Two login procedures available
GKB Mobile Banking
- Download from App Store or Google Play
- Use contract number + mobile password
- Login with fingerprint or Face ID
- Requires activation via desktop E-Banking
- Easy invoice scanning
Availability
- Switzerland
- Germany
- Italy
- Austria
- Portugal
Troubleshooting & Security Tips
Common Problems & Fixes
App won’t work: Activation via E-Banking on a computer is required first before the app functions.
Login issues: GKB offers two different login procedures. Contact E-Banking support at +41 81 256 91 91 for help.
Lost phone/SIM: Contact E-Banking Contact Center immediately at +41 81 256 91 91 if you suspect misuse.
Invoice scanning: Ensure good lighting and hold camera steady over the payment slip.
Security Tips
- Never share your contract number or passwords
- GKB will never ask for credentials via email
- Only log in through www.gkb.ch
- Use biometric login when possible
- Report lost phone immediately
Contact GKB
E-Banking Contact Center:
+41 81 256 91 91
Email:
[email protected]
Headquarters:
Grabenstrasse/Poststrasse
7000 Chur, Switzerland
Branches: 45 locations in Graubünden
About Graubündner Kantonalbank
Graubündner Kantonalbank (GKB) is the cantonal bank of Graubünden, also known as Banca Chantunala Grischuna (Romansh) or Banca Cantonale Grigione (Italian). With total assets of CHF 35.6 billion (2024, up 8.6% from prior year) and headquarters in Chur, GKB serves the alpine canton through 45 branches. The bank offers comprehensive services in German, Romansh, and Italian.
Frequently Asked Questions
Last Updated on December 16, 2025
URL: https://log-in.me/graubundnerkantonalbank-chur-switzerland/