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Fact Sheet Deloitte AG

Core Company Information
Company Name Deloitte AG
UID CHE-101.377.666
Alternative / previous Names Deloitte SA, Deloitte Ltd
DELOITTE & TOUCHE AG, DELOITTE & TOUCHE SA, DELOITTE & TOUCHE LTD
Deloitte & Touche Experta AG, Deloitte & Touche Experta SA
Experta Revision AG, Experta Revision SA, Experta Revisione SA, Experta Audit Ltd
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 19.01.1984
Website http://www.deloitte.ch
FAOA Information
FAOA ID 500420
RAB Permission state-regulated audit firm
FAOA License active (since 29.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (5) Deloitte AG (CHE-156.952.551) in Basel (BS)  
Deloitte AG (CHE-437.674.867) in Bern (BE)
Deloitte SA (CHE-411.931.790) in Genève (GE)
Deloitte SA (CHE-281.829.115) in Lausanne (VD)
Deloitte AG (CHE-193.020.143) in Lugano (TI)
DELOITTE & TOUCHE AG (CHE-394.391.123) in Bern (BE)
DELOITTE & TOUCHE AG (CHE-348.251.660) in Zug (ZG)
Membership in Associations EXPERTsuisse
Number of auditors with permission 113  (9.92 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 7.9 years (max.: 33.3 years)

Total number of statutory audit engagements: 1'121 (Ranked #6 in Switzerland)

Change in number of audit engagements: +4 (since 31.12.2024), +8 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 16 (thereof 1 in the SMI, 1 in the SMI Expanded and 9 in the SPI)

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

  AG BE BL BS FR GE GL GR LU NE NW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Limited corporation 22 33 22 53 29 111 3 4 14 9 2 13 6 14 20 14 53 8 74 9 140 197 850
Limited liability company 11 4 4 6 1 17   1 8 9   3 20 2 2 1 1   20 1 34 46 191
Foundation   1   5   30     4 1 1 1 2     1 3   4 1 3 9 66
Cooperative       1                                     1
Association       1   2                         3       6
Special legal forms   1       4                           1   1 7
∑ 33 39 26 66 30 164 3 5 26 19 3 17 28 16 22 16 57 8 101 12 177 253 1'121

This audit firm is recorded as statutory auditor for 1233 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 1'121 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL BS FR GE GL GR LU NE NW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Basel 2 3 8 19                 1   3           10 3 49
Genève       3 4 148     2 4   4     1       39 4 9 10 228
Lausanne   1   2 5 2       8                 48 2     68
Lugano 1             1 1         1     54   1   4 2 65
Zürich 30 35 18 42 21 14 3 4 23 7 3 13 27 15 18 16 3 8 13 6 154 238 711
∑ 33 39 26 66 30 164 3 5 26 19 3 17 28 16 22 16 57 8 101 12 177 253 1'121

Show client list for Basel, Genève, Lausanne, Lugano, Zürich.

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Resource Invest II AG CHE-327.987.063 Zug 05.11.2025 First auditor Zürich
FGS Global (Switzerland) GmbH CHE-444.030.209 Zürich 04.11.2025 First auditor Zürich
Genera Holding AG CHE-286.303.814 Zug 31.10.2025 Auditor switch Zürich
Genera Services AG CHE-291.216.598 Zug 31.10.2025 Auditor switch Zürich
Genera WM AG CHE-289.892.761 Zug 31.10.2025 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
Cliveden Trading AG in Liquidation CHE-320.434.509 Zug 06.11.2025 Discontinued Zürich
Elon Metal Trading AG CHE-400.273.020 Baar 06.11.2025 Auditor switch Zürich
Digital Solutions SA CHE-366.255.963 Porrentruy 03.11.2025 Auditor switch Genève
Drugs for Neglected Diseases initiative (DNDi) CHE-110.141.200 Genève 31.10.2025 Auditor switch Genève
Elon Metal AG CHE-248.376.918 Baar 31.10.2025 Auditor switch Zürich