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How to contact avast!

Customer service

For queries of a technical nature, please go to our Support Center and use the "Submit ticket" option to send us your question. The other option is to register on our User Forum where avast! users communicate and help each other.

Other contacts

We communicate in the following languages:

  • English
  • Czech
  • French
  • Portuguese
  • German
  • Spanish
  • Italian
  • Chinese
  • Arabic
  • Polish
  • Turkish
  • Russian
  • Japanese
  • Slovak

By email

Direct sale inquiries sales@avast.com
Suspected virus/malware files virus@avast.com

By phone

Direct sale inquiries (+420) 274 005 777
General contact (+420) 274 005 666

By fax

Direct sale inquiries (+420) 274 005 888
General contact (+420) 274 005 889

By post

ALWIL Software a.s.
Trianon Office Building
Budejovicka 1518/13a
140 00, Praha 4
Czech Republic

We are registered in the Commercial Register, administrated by the Municipal court in Prague, section B, file number 11402

Registration Number: 27636917
VAT Number: CZ27636917