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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 299  (10.96 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.7 years (max.: 35.5 years)

Total number of statutory audit engagements: 3'276 (Ranked #3 in Switzerland)

Change in number of audit engagements: -96 (since 31.12.2023), -208 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 46 (thereof 6 in the SMI, 7 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 75 2 6 218 74 100 61 263 5 16 7 52 22 18 5 66 17 44 42 53 109 1 268 37 209 511 2'281
Limited liability company 15     11 9 19 3 34   2 1 9 8   1 7 14 6 6 1 12   37 2 64 51 312
Foundation 11 1   69 13 32 4 32 1 2 1 7 3 1   8   6 6 4 16 1 29 4 19 96 366
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   3       2                 1   7     11 35
Special legal forms       4   5 1 2 1 1                         4 1   7 26
124 4 8 337 104 159 79 340 8 29 14 87 35 20 7 114 32 69 58 72 155 4 359 62 298 698 3'276

This audit firm is recorded as statutory auditor for 3572 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'276 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   2 5             3 5 51
Basel 38 2 4 32 85 128 18 98 1 8 9 20 5 1 1 39 4 23 12 16 23 3 106 27 24 91 818
Bern 5     257 4 6 23   1 2 2 14 4 12   4 2 24 5 3 2 1 12 2 6 36 427
Lancy       4 1 4 8 183       2 9         4         46 2 8 15 286
Lausanne       14   2 26 34         12     1         8   176 26 6 4 309
Lugano               1   2   1 1 2             117       2 5 131
Luzern 3     2   2           14     4                   2   27
St. Gallen 6   4 1 2     3   5 1   1     48 2   1 15 1   4 1 4 12 111
Zug 3     1 1     1   1   7   2     5   2 2 1       73 10 109
Zürich 43 2   24 7 16 4 20 6 10 2 28 3 3 1 22 17 13 38 36 3   15 4 170 520 1'007
124 4 8 337 104 159 79 340 8 29 14 87 35 20 7 114 32 69 58 72 155 4 359 62 298 698 3'276

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: 3'282

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
Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG CHE-177.517.304 Zürich 13.06.2024 Auditor switch Basel
Aventicum Capital Management Holding AG CHE-187.812.644 Zürich 12.06.2024 Auditor switch Basel
Sirius Energy SA CHE-160.518.353 Lugano 12.06.2024 First auditor Lugano
FIDES Treasury Services AG CHE-113.242.777 Zürich 10.06.2024 Auditor switch Basel
Savoy Hotel Baur en Ville AG CHE-105.953.965 Zürich 07.06.2024 Auditor switch 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
ONLY Stores Switzerland AG CHE-114.509.871 St. Gallen 13.06.2024 Auditor switch Zürich
Triton Asset Leasing GmbH CHE-115.010.284 Steinhausen 13.06.2024 Opting-out Zürich
Georg Tesch-Stiftung CHE-110.304.927 Schmitten (FR) 12.06.2024 Auditor switch Bern
Prescus Capital AG CHE-381.779.245 Zürich 12.06.2024 Auditor switch Zürich
Repartner Produktions AG CHE-355.286.304 Poschiavo 12.06.2024 Auditor switch Zürich