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Grant Thornton AG (1300)
Registration Status: Currently Registered
Headquarters Address: Claridenstrasse 35, Zurich, 8002
Other Names Used in Issuing Audit Reports: None
Predecessor Firm to Whose Registration
the Firm Succeeded:
Grant Thornton AG
Registration Date: 07/01/2004
For a list of issuers (if any) that the firm has audited, or in whose audits the firm has played a substantial role, see Part IV of the firm's annual reports.

Annual and Special Reporting by the Firm
FormFiled DateSpecial Report Relates To
Special Report (Form 3) 01/13/2026 Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2025 06/19/2025
Annual Report (Form 2) For Reporting Year 2024 06/28/2024
Annual Report (Form 2) For Reporting Year 2023 06/20/2023
Annual Report (Form 2) For Reporting Year 2022 06/29/2022
Amended Annual Report (Form 2/A) For Reporting Year 2020 08/16/2021
Annual Report (Form 2) For Reporting Year 2020 06/09/2020
Amended Annual Report (Form 2/A) For Reporting Year 2019 08/16/2021
Annual Report (Form 2) For Reporting Year 2019 06/27/2019
Amended Annual Report (Form 2/A) For Reporting Year 2018 08/16/2021
Annual Report (Form 2) For Reporting Year 2018 06/14/2018
Annual Report (Form 2) For Reporting Year 2021 06/17/2021
Special Report (Form 3) 01/07/2019 Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2017 06/26/2017
Annual Report (Form 2) For Reporting Year 2016 06/30/2016
Annual Report (Form 2) For Reporting Year 2015 06/19/2015
Annual Report (Form 2) For Reporting Year 2014 06/23/2014
Annual Report (Form 2) For Reporting Year 2013 06/20/2013
Annual Report (Form 2) For Reporting Year 2012 06/20/2012
Annual Report (Form 2) For Reporting Year 2011 06/22/2011
Special Report (Form 3) 06/22/2011 Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2010 06/18/2010
Special Report (Form 3) 02/01/2010 Licenses and Certification

Auditor Reporting of Certain Audit Participants
None