Exhibit 8.1
LIST OF SUBSIDIARIES


Company NameJurisdiction of Incorporation
Similarweb Inc.Delaware
Similarweb UK Ltd.United Kingdom
Similarweb Japan K.K.Japan
Similarweb Australia Pty Ltd.Australia
Similarweb Germany GmbhGermany
Similarweb France SASFrance
Similarweb SG Pte Ltd.Singapore
Embee Mobile Inc.Delaware
Similarweb CZ s.r.o Czech Republic