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Fact Sheet Ernst & Young AG

Core Company Information
Company Name Ernst & Young AG
UID CHE-105.932.265
Alternative / previous Names Ernst & Young SA, Ernst & Young Ltd
ATAG Ernst & Young AG, ATAG Ernst & Young SA, ATAG Ernst & Young Ltd
Domicile Basel
Canton BS
Legal Form Limited corporation
Firm Inscription Date 28.09.1998
Website https://www.ey.com/ch
Takeovers: Neofidaria AG (ADM-169.740.521), per 09.08.2001
Hangartner Treuhand AG (CHE-100.067.795), per 19.11.2002
Verifica SA (CHE-100.818.159), per 11.05.2005
ATAG Allgemeine Treuhand AG (CHE-100.818.892), per 20.12.2019
GBR Ernst & Young AG (CHE-100.918.105), per 05.03.2002
Ernst & Young AG (CHE-101.392.967), per 11.11.2003
Treuhand- und Revisionsgesellschaft T + R Grischa AG (CHE-101.715.639), per 19.06.2001
Fiduciaire Jacques Ceriani SA (CHE-101.822.086), per 08.04.2005
Fiduciaire de gestion et d'informatique S.A. (CHE-102.664.306), per 31.05.2005
Bösch & Edthofer AG (CHE-103.349.066), per 17.08.2023
FAOA Information
FAOA ID 500646
RAB Permission state-regulated audit firm
FAOA License active (since 28.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (9) Ernst & Young AG (CHE-461.581.835) in Aarau (AG)   [+]
Ernst & Young AG (CHE-311.498.829) in Baden (AG)
Ernst & Young AG (CHE-441.858.784) in Bern (BE)
Ernst & Young AG (CHE-354.720.232) in Biel/Bienne (BE)
ATAG Ernst & Young AG (CHE-132.732.622) in Buchs (SG) (SG)
Ernst & Young AG (CHE-421.676.725) in Chur (GR)
Ernst & Young AG (CHE-357.440.711) in Granges-Paccot (FR)
Ernst & Young AG (CHE-367.926.091) in Kreuzlingen (TG)
Ernst & Young SA (CHE-186.791.979) in Lancy (GE)
Ernst & Young SA (CHE-294.400.879) in Lausanne (VD)
Ernst & Young AG (CHE-475.755.395) in Lugano (TI)
Ernst & Young AG (CHE-259.230.495) in Luzern (LU)
Ernst & Young SA (CHE-185.564.694) in Neuchâtel (NE)
Ernst & Young SA (CHE-264.470.869) in Sion (VS)
Ernst & Young AG (CHE-327.393.030) in St. Gallen (SG)
Ernst & Young AG (CHE-152.377.547) in Zug (ZG)
Ernst & Young AG (CHE-491.907.686) in Zürich (ZH)
Membership in Associations EXPERTsuisse
Number of auditors with permission 274  (12.45 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.4 years (max.: 34.8 years)

Total number of statutory audit engagements: 3'412 (Ranked #3 in Switzerland)

Change in number of audit engagements: -108 (since 31.12.2022), -157 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 51 (thereof 6 in the SMI, 9 in the SMI Expanded and 28 in the SPI)

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 GL GR JU LU NE NW OW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Limited corporation 80 4 6 225 74 108 68 263 5 17 8 55 22 16 6 74 19 45 47 53 111 1 290 41 237 514 2'389
Limited liability company 14     12 7 18 3 37   1 1 9 8   1 7 15 5 7 1 12   37 2 62 51 310
Foundation 15 1   72 12 34 5 38 1 2 1 8 3 1   8   6 9 6 18 1 32 4 19 97 393
Cooperative 23 1 2 25 8 2 10 6 1 8 5 17 2 1 1 33 1 13 4 14 17 2 14 18 6 22 256
Association       10   1   4       2                 1   8     10 36
Special legal forms 1     4   5 1 3 1 1       1                 4     7 28
∑ 133 6 8 348 101 168 87 351 8 29 15 91 35 19 8 122 35 69 67 74 159 4 385 65 324 701 3'412

This audit firm is recorded as statutory auditor for 3518 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'412 statutory audits are performed by the branch offices as indicated in the table below.

  AG AI AR BE BL BS FR GE GL GR JU LU NE NW OW SG SH SO SZ TG TI UR VD VS ZG ZH ∑
Aarau 29     2 4 1       1   1     1   4 5             3 6 57
Basel 38 2 4 30 83 139 18 98 1 8 9 21 5 1 1 40 5 23 12 16 23 3 109 29 25 78 821
Bern 7     268 4 6 26   1 2 2 14 4 12   7 2 26 6 3 2 1 13 2 6 38 452
Lancy       4 1 4 9 190       2 9         2         50 2 8 15 296
Lausanne       15   1 29 37     1   12     1         9   192 25 7 4 333
Lugano                       1 1               120   1   2 5 130
Luzern 3     2   2           15     4                   2   28
St. Gallen 6 2 4 1 2     3   6 1   1     52 2   1 16 1   4 2 2 13 119
Zug 1     1 1     1   1   6   2     5   2 2 1       96 11 130
Zürich 49 2   25 6 15 5 22 6 11 2 31 3 4 2 22 17 13 46 37 3   16 5 173 531 1'046
∑ 133 6 8 348 101 168 87 351 8 29 15 91 35 19 8 122 35 69 67 74 159 4 385 65 324 701 3'412

Show client list for Aarau, Basel, Bern, Lancy, Lausanne, Lugano, Luzern, St. Gallen, Zug, Zürich.

Related audit firms

Network:

Total number of audit engagements across the network: 3'418

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
B-FLEXION Special Advisors (Switzerland) SA CHE-353.287.066 Saanen 21.09.2023 First auditor Lancy
Interogo Investment AG CHE-187.384.074 Freienbach 18.09.2023 First auditor Zürich
UBS Hypotheken Schweiz AG CHE-338.454.813 Zürich 13.09.2023 First auditor Basel
LabPoint Medizinische Laboratorien AG CHE-150.311.158 Avenches 07.09.2023 Auditor switch Bern
LFE European Asset Management Switzerland GmbH CHE-276.804.931 Zürich 05.09.2023 First auditor Basel
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
ADIENNE Pharma & Biotech SA CHE-250.507.940 Lugano 25.09.2023 Auditor switch Lugano
ADIENNE SA CHE-462.671.926 Lugano 25.09.2023 Auditor switch Lugano
Hipp Beteiligungs AG CHE-101.238.378 Sachseln 25.09.2023 Auditor switch Zürich
Hipp Holding AG CHE-101.071.061 Sachseln 25.09.2023 Auditor switch Zürich
Hipp Schweiz AG CHE-110.237.780 Sachseln 25.09.2023 Auditor switch Zürich