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Fact Sheet Grant Thornton AG

Core Company Information
Company Name Grant Thornton AG
UID CHE-107.841.337
Alternative / previous Names Grant Thornton Ltd., Grant Thornton SA
Bankrevisions- und Treuhand AG, Révision de Banques et Fiduciaire SA, Bank Auditors and Fiduciary Ltd (until 15.07.2014)
Grant Thornton Bankrevision AG, Grant Thornton Bank Audit Ltd., Grant Thornton Révision Bancaire SA (until 24.06.2019)
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 25.10.1971
Takeovers: Grant Thornton Advisory AG (CHE-100.726.095), per 24.06.2019
Grant Thornton Spiess SA (CHE-102.004.156), per 02.06.2021
TEBOR Treuhand AG (CHE-106.237.682), per 18.06.2018
Grant Thornton AG (CHE-109.041.827), per 24.06.2019
GwG Prüfung und Beratung AG (CHE-284.229.555), per 07.03.2025
FAOA Information
FAOA ID 500038
RAB Permission state-regulated audit firm
FAOA License active (since 26.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (2) Grant Thornton AG (CHE-394.243.600) in Buchs (SG) (SG)
Grant Thornton AG (CHE-153.284.948) in Genève (GE)
Membership in Associations EXPERTsuisse
SVIR
Number of auditors with permission 39  (15.33 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 7.5 years (max.: 29.5 years)

Total number of statutory audit engagements: 598 (Ranked #11 in Switzerland)

Change in number of audit engagements: - (since 31.12.2024), -1 (over the last 12 months)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

  AG AI AR BE BL BS FR GE GR JU LU NE NW OW SG SH SO SZ TG TI VD ZG ZH ∑
Limited corporation 6 2 1 6 1 13   48 17 1 10 5 1 1 35 1 3 21 2 4 22 103 120 423
Limited liability company       1 1   2 6 1     3     3 2   2   1 11 24 22 79
Foundation           2   17     2   2 1 2 1 4 3 1   1 16 28 80
Cooperative           1                         1     1 1 4
Association       1       1                           3 6 11
Special legal forms                                   1           1
∑ 6 2 1 8 2 16 2 72 18 1 12 8 3 2 40 4 7 27 4 5 34 147 177 598

This audit firm is recorded as statutory auditor for 107 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 598 statutory audits are performed by the branch offices as indicated in the table below.

  AG AI AR BE BL BS FR GE GR JU LU NE NW OW SG SH SO SZ TG TI VD ZG ZH ∑
Buchs (SG)       1       2 17 1         28       2 1 1 2 4 59
Genève       1     2 61       6               2 30 6 2 110
Zürich 6 2 1 6 2 16   9 1   12 2 3 2 12 4 7 27 2 2 3 139 171 429
∑ 6 2 1 8 2 16 2 72 18 1 12 8 3 2 40 4 7 27 4 5 34 147 177 598

Show client list for Buchs (SG), Genève, Zürich.

Related audit firms

Network:

Total number of audit engagements across the network: 601

Direct personal relationship:

Further connections:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
1inch Pro SA CHE-469.878.919 Zug 12.03.2025 Auditor switch Zürich
Rippling Switzerland GmbH CHE-316.766.919 Zürich 11.03.2025 First auditor Zürich
LTG Switzerland GmbH CHE-103.718.376 Gossau (SG) 05.03.2025 Auditor switch Zürich
Evalueserve IP Consulting AG CHE-332.595.711 Zug 26.02.2025 First auditor Zürich
Woodman Asset Management AG CHE-239.257.048 Zug 19.02.2025 Auditor switch Zürich
Discontinued audit engagements
The following audit engagements were lost recently, either to a competitor, due to auditor resignation or due to an opting out.
 
Client Name Client UID Domicile End Date Reason Auditor Branch
Calliopa Capital AG CHE-295.323.224 Zürich 18.02.2025 Opting-out Zürich
EDE International AG CHE-485.707.133 Kloten 24.01.2025 Opting-out Zürich
Aurasol AG CHE-112.117.046 Zug 23.01.2025 Auditor switch Zürich
Famial Holding AG CHE-101.387.736 Basel 23.01.2025 Opting-out Zürich
Soprex AG CHE-102.400.871 Basel 23.01.2025 Opting-out Zürich