Czech Republic (HQ)

AVAST Software s.r.o.
Trianon Office Building
Budejovicka 1518/13a
140 00, Prague 4
Czech Republic

電話：00 420 274 005 777
傳真：00 420 274 005 888

註冊號碼：02176475
VAT 號碼：CZ02176475

在商業註冊處註冊，
受布拉格市法院管理，
C 區，檔案號碼 216540

USA

AVAST Software, Inc.
Redwood City, CA

Germany

AVAST Software Deutschland GmbH
Friedrichshafen

South Korea

Timothy S.L. Choi
Korea Sales Director
AVAST Software (ASIA) Limited.
Suite 2715, 27F Trade Tower
511, Young Dong Street, Gangnam-gu
Seoul Korea 135-729

China

AVAST Software (ASIA) Limited
Hong Kong

China

AVAST Software (ASIA) Limited
Beijing, P.R.China