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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
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 278  (11.42 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.9 years (max.: 36 years)

Total number of statutory audit engagements: 3'175 (Ranked #3 in Switzerland)

Change in number of audit engagements: -197 (since 31.12.2023), -212 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 46 (thereof 5 in the SMI, 7 in the SMI Expanded and 24 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 76 2 8 208 71 99 62 258 3 14 6 48 21 18 5 60 17 41 30 51 111 1 262 34 193 492 2'191
Limited liability company 14     10 8 20 5 34   1 1 9 8   1 7 16 6 6 1 11   38 2 62 56 316
Foundation 11 1   63 13 31 4 30 1 2 1 8 3 1   8   6 6 4 16 1 26 3 19 94 352
Cooperative 23 1 2 26 8 2 10 5 1 8 5 17 2 1 1 33 1 13 4 14 17 2 15 18 6 21 256
Association       10   1   4       2                 1   6     12 36
Special legal forms       3   5 1 3 1 1                         3 1   6 24
∑ 124 4 10 320 100 158 82 334 6 26 13 84 34 20 7 108 34 66 46 70 156 4 350 58 280 681 3'175

This audit firm is recorded as statutory auditor for 3611 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'175 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   3 5             3 5 52
Basel 36 2 4 35 84 127 17 97 1 8 9 20 5 1 1 39 4 22 11 16 23 3 106 27 25 89 812
Bern 6     232   6 22   1   1 9 5 12   3   21 1 2 2 1 12   7 28 371
Lancy       5 1 4 9 181       2 7         5         45 2 6 14 281
Lausanne       14   2 29 34         12               8   165 24 7 4 299
Lugano               2   3   1 1 2             116       1 5 131
Luzern 3     2   2           17     4                   2   30
St. Gallen 6   4 1 2     3   6 1   1     44 1   1 12 1   5 1 3 12 104
Zug 3     1 1     1   1   7   2     5   2 1 5       60 10 99
Zürich 44 2 2 28 8 16 5 16 4 7 2 27 3 3 1 22 21 13 31 39 1   17 4 166 514 996
∑ 124 4 10 320 100 158 82 334 6 26 13 84 34 20 7 108 34 66 46 70 156 4 350 58 280 681 3'175

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: 3'181

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
Bétonfrais Orbe S.A. CHE-106.855.331 Orbe 10.12.2024 Auditor switch Lausanne
Bracell Marketing SA CHE-113.651.012 Nyon 09.12.2024 Auditor switch Lancy
JForYou SA CHE-350.190.051 Bellinzona 09.12.2024 First auditor Lugano
Primeo Battery AG CHE-426.839.012 Münchenstein 09.12.2024 First auditor Basel
Secamory Holding SA CHE-307.084.028 Pully 09.12.2024 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
MA Ventures AG CHE-113.993.582 Moosseedorf 10.12.2024 Opting-out Bern
PK Immo AG CHE-113.988.871 Lyss 10.12.2024 Auditor switch Bern
IPSEN Pharma Schweiz GmbH CHE-446.194.514 Zug 09.12.2024 Auditor switch St. Gallen
Kaiser Partner (Schweiz) AG CHE-110.313.820 Zürich 09.12.2024 Opting-out Zürich
Ringier Immobilien Holding AG CHE-396.155.639 Zürich 05.12.2024 Opting-out Zürich