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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 296  (11.28 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.6 years (max.: 35.2 years)

Total number of statutory audit engagements: 3'340 (Ranked #3 in Switzerland)

Change in number of audit engagements: -32 (since 31.12.2023), -163 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 48 (thereof 6 in the SMI, 9 in the SMI Expanded and 26 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 77 4 6 229 74 100 63 263 5 17 7 52 22 16 5 64 18 44 44 53 113 1 275 37 233 513 2'335
Limited liability company 14     12 8 19 3 35   2 1 9 8   1 7 14 5 7 1 12   37 2 67 53 317
Foundation 12 1   69 13 32 5 33 1 2 1 7 3 1   8   6 8 5 16 1 31 4 19 94 372
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   7     10 35
Special legal forms       4   5 1 2 1 1                         4     7 25
126 6 8 349 103 159 82 343 8 30 14 87 35 18 7 112 33 68 63 73 159 4 368 61 325 699 3'340

This audit firm is recorded as statutory auditor for 3543 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'340 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 27     2 4 1       1   1     1   3 5             3 5 53
Basel 39 2 4 31 84 129 18 98 1 8 9 20 5 1 1 39 4 23 11 16 23 3 107 27 24 78 805
Bern 6     268 4 6 26   1 2 2 14 4 12   4 2 25 5 3 2 1 13 2 6 37 445
Lancy       4 1 4 8 187       2 9         2         48 2 8 15 290
Lausanne       15   2 26 33         12     1         9   180 25 5 4 312
Lugano               1   1   1 1               121       2 5 132
Luzern 3     2   2           14     4                   2   27
St. Gallen 6 2 4 1 2     3   5 1   1     48 2   1 15 1   4 1 3 11 111
Zug 1     1 1     1   1   7   2     5   2 2 1       98 10 132
Zürich 44 2   25 7 15 4 20 6 12 2 28 3 3 1 20 17 13 44 37 2   16 4 174 534 1'033
126 6 8 349 103 159 82 343 8 30 14 87 35 18 7 112 33 68 63 73 159 4 368 61 325 699 3'340

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: 3'346

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
IFFEE International Foundation for Education and Entrepreneurship CHE-364.725.099 Aesch (BL) 01.03.2024 First auditor Basel
BIM DESIGNERS AG CHE-186.661.532 Lugano 21.02.2024 First auditor Lugano
LIVE MELOW AG CHE-161.702.391 Lugano 21.02.2024 First auditor Lugano
CENETOGREL GmbH CHE-156.682.512 Allschwil 16.02.2024 First auditor Basel
Espace Health Group AG CHE-150.808.482 Huttwil 16.02.2024 First auditor Bern
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
Kraftwerke Gougra AG CHE-101.282.586 Sierre 29.02.2024 Auditor switch Basel
Sepp Fässler (Wil) AG CHE-113.498.822 Wil (SG) 29.02.2024 Auditor switch St. Gallen
Amsonic AG CHE-101.897.173 Biel/Bienne 27.02.2024 Auditor switch Bern
BeiGene Pharmaceuticals GmbH CHE-370.901.453 Basel 23.02.2024 Discontinued Basel
Nielsen International SA CHE-107.426.027 Lugano 21.02.2024 Auditor switch Lugano