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Fact Sheet Ernst & Young AG

Core Company Information
Company Name Ernst & Young AG
Company 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)
FAOA Information
FAOA ID 500646
RAB Permission state-regulated audit firm
FAOA License active
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 287  (12.39 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 9.7 years (max.: 33.6 years)

Total number of statutory audit engagements: 3'557 (Ranked #3 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2021), +24 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 56 (thereof 5 in the SMI, 12 in the SMI Expanded and 30 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 79 5 6 230 79 111 75 284 9 18 8 70 20 18 9 77 16 49 47 56 132 3 301 41 255 518 2'516
Limited liability company 14     9 6 16 3 38   2 1 10 7   2 7 17 6 6 2 12   37 2 61 54 312
Foundation 16 1   74 16 32 5 37 1 2 1 7 3 1   8   6 10 8 20 1 35 5 23 97 409
Cooperative 24 1 2 25 8   10 5 1 8 5 16 2 1 1 33 1 13 4 14 16 2 15 17 7 20 251
Association       11   1   4       2                 1   9     10 38
Special legal forms 1     4 1 5 1 4 1 1       1       1     1   4     6 31
134 7 8 353 110 165 94 372 12 31 15 105 32 21 12 125 34 75 67 80 182 6 401 65 346 705 3'557

This auditor is recorded as statutory auditor for 3441 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'557 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 26     2 4 1       1   1     1   4 5             2 5 52
Basel 40 2 4 33 90 136 19 98 1 8 9 24 5 2 1 41 5 24 14 16 23 3 112 28 26 73 837
Bern 8     268 5 6 24   1 2 2 15 3 13 1 9 2 29 4 4 2 1 12 2 9 36 458
Lancy       3   4 11 201       2 10       1 3         54 3 8 15 315
Lausanne       16   1 32 42     1   11     1         9   203 28 6 6 356
Lugano                       1 1               143   1   4 4 154
Luzern 2     2   2           15     4                   2   27
St. Gallen 7 2 4 1 2 1 1 3   7 1   1     51 2   1 18 1   4 2 3 13 125
Zug 1     1 1     2   1   7   2     5   2 2 1       106 8 139
Zürich 50 3   27 8 14 7 26 10 12 2 40 1 4 5 23 15 14 46 40 3 2 15 2 180 545 1'094
134 7 8 353 110 165 94 372 12 31 15 105 32 21 12 125 34 75 67 80 182 6 401 65 346 705 3'557

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: 3'563

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
Migros Online SA CHE-108.629.840 Ecublens (VD) 09.08.2022 Auditor switch Lausanne
AZ SWISS & PARTNERS SA CHE-404.931.690 Lugano 08.08.2022 Auditor switch Lugano
Ameropa International Trade AG CHE-144.047.728 Binningen 04.08.2022 First auditor Basel
Sammelstiftung Vita Plus der Zürich Lebensversicherungs-Gesellschaft AG CHE-109.330.705 Zürich 04.08.2022 Auditor switch Zürich
Société coopérative Migros Vaud CHE-105.896.913 Ecublens (VD) 04.08.2022 Auditor switch 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
EFTEC AG CHE-108.170.215 Romanshorn 09.08.2022 Auditor switch Zürich
EMS-CHEMIE (Switzerland) AG CHE-268.364.278 Romanshorn 09.08.2022 Auditor switch Zürich
Loro Piana Switzerland SA CHE-115.453.150 Lugano 04.08.2022 Auditor switch Lancy
Energopole SA CHE-109.337.877 Genève 27.07.2022 Discontinued Lancy
EMS-CHEMIE (Produktion) AG CHE-102.814.592 Domat/Ems 26.07.2022 Auditor switch Zürich