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Customer service

Find your local reseller

Find your local reseller

avast! local resellers operate in 170 countries worldwide. If you are looking for a reseller close to you, go here.

Sales inquiries

Sales inquiries

  • Submit an inquiry online
  • Call us by +420 274 005 777
  • Fax to +420 274 005 888
  • Contact us on e-mail:
Report suspected virus

Report suspicious file

  • Send us the file to:

avast! Headquarters

We communicate in the following languages:

  • EnglishEnglish
  • CzechCzech
  • FrenchFrench
  • PortuguesePortuguese
  • GermanGerman
  • SpanishSpanish
  • ItalianItalian
  • ChineseChinese
  • ArabicArabic
  • PolishPolish
  • TurkishTurkish
  • RussianRussian
  • JapaneseJapanese
  • SlovakSlovak

Address

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

Phone
Fax
Online contact form

Registration Number
VAT Number

+420 274 005 777
+420 274 005 888
Click here

27636917
CZ27636917

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