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Global Headquarters and Americas

  • Keynote Systems, Inc.
    777 Mariners Island Blvd.
    San Mateo, CA 94404
  • Tel: +1 650.403.2400
    Fax: +1 650.403.5500
    Sales: 1-855-KEYNOTE
    (1-855-539-6683)
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Sales

  • Live Chat
  • Available Monday – Friday
    9 AM – 5 PM, GMT -8 PM (PST)

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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
France
Main: +33 1 70 38 52 05
United Kingdom
Keynote Europe BV
SoanePoint
6-8 Market Place
Reading RG1 2EG
Main: +44 (0) 1189 255 072
Asia Pacific
Keynote Systems, Inc.
Office: +1 650.403.3235
Fax: +1 650.649.2215

Finance & Legal

Billing
Robyn Cole
+1 650-403-3248
Legal Services
Ilene Harding
+1 650-403-3221

Support

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 at:

+1 888-KEY SYST (+1 888-539-7978) | +1 855-KEY NOTE
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