Contact Us

Corporate Headquarters

Keynote LLC
777 Mariners Island Blvd.
San Mateo, CA 94404
Main Tel: +1 650-403-2400
Main Fax: +1 650-403-5500

Connect with Us

International Offices

Our full set of solutions is available to customers anywhere in the world. Contact one of the offices below to reach a Keynote representative for your region.

DACH, BENELUX, Eastern Europe

Keynote Europe GmbH
Airport Center (Haus C)
Flughafenstr. 52a
22335 Hamburg

Main: +49.40.53299-316
Fax: +49.40.53299.100

France, Western Europe

Keynote Europe BV
27, avenue de l’Opéra
75001 Paris

Main: +33 1 70 38 52 05

United Kingdom

Keynote Europe BV
6-8 Market Place
Reading RG1 2EG

Main: +44 (0) 1189 255 072


Use Support Central, our online support portal, to search our knowledge base, open a case, and quickly receive answers to your product or service questions.

You can also contact support by phone:
+1 888-KEYSYST (+1 888-539-7978) | +1 855-KEYNOTE