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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 120  (9.19 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 7.8 years (max.: 33 years)

Total number of statutory audit engagements: 1'103 (Ranked #6 in Switzerland)

Change in number of audit engagements: -14 (since 31.12.2024), -1 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 15 (thereof 1 in the SMI, 1 in the SMI Expanded and 8 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 JU LU NE NW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Limited corporation 21 34 18 52 28 109 3 2 1 13 9 5 13 8 14 19 14 53 8 77 9 136 194 840
Limited liability company 11 4 4 6 1 17       7 9   3 20 2 2 1 1   20 1 30 43 182
Foundation   1   5   31       4 1 1 1 2     1 3   4 1 3 9 67
Cooperative       1                                       1
Association       1   2                           3       6
Special legal forms   1       4                             1   1 7
∑ 32 40 22 65 29 163 3 2 1 24 19 6 17 30 16 21 16 57 8 104 12 169 247 1'103

This audit firm is recorded as statutory auditor for 1230 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 1'103 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL BS FR GE GL GR JU LU NE NW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Basel 1 3 8 19                   1   3           10 3 48
Genève       3 3 146     1 2 4   4     1       38 4 8 9 223
Lausanne   1   2 5 2         8                 50 2     70
Lugano 1             1   1         1     54   1   4 2 65
Zürich 30 36 14 41 21 15 3 1   21 7 6 13 29 15 17 16 3 8 15 6 147 233 697
∑ 32 40 22 65 29 163 3 2 1 24 19 6 17 30 16 21 16 57 8 104 12 169 247 1'103

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

Related audit firms

Direct personal relationship:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
ENR Invest SA CHE-113.649.972 Genève 14.07.2025 Auditor switch Genève
Mont-Fort Funds AG CHE-241.062.519 Val de Bagnes 11.07.2025 Auditor switch Genève
Perfetti Van Melle Schweiz GmbH CHE-226.878.459 Zürich 09.07.2025 First auditor Zürich
Rohr Gebäudetechnik AG CHE-492.784.038 Wallisellen 09.07.2025 Auditor switch Zürich
Fondation de l'European Club Association CHE-285.181.313 Nyon 03.07.2025 First auditor Lausanne
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
Heineken Beverages Switzerland International AG CHE-413.561.563 Luzern 08.07.2025 Auditor switch Zürich
Heineken Switzerland AG CHE-100.048.349 Luzern 08.07.2025 Auditor switch Zürich
Stardrinks AG CHE-387.044.739 Luzern 08.07.2025 Auditor switch Zürich
Ogilvy AG CHE-107.299.869 Zürich 07.07.2025 Auditor switch Zürich
All for One Switzerland AG CHE-108.455.327 St. Gallen 18.06.2025 Auditor switch Zürich