Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

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)
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 281  (12.59 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 9.8 years (max.: 34 years)

Total number of statutory audit engagements: 3'538 (Ranked #3 in Switzerland)

Change in number of audit engagements: -21 (since 31.12.2021), -43 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 53 (thereof 5 in the SMI, 9 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 83 5 6 233 76 112 76 280 5 17 8 68 19 18 8 77 16 50 50 55 130 3 300 44 246 519 2'504
Limited liability company 15     9 6 16 4 37   1 1 10 8   2 7 17 6 7 2 12   36 2 59 52 309
Foundation 17 1   72 12 32 5 35 1 2 1 7 3 1   8   6 10 8 20 1 37 4 21 94 398
Cooperative 24 1 2 26 8 2 10 5 1 8 5 17 2 1 1 34 1 13 4 14 17 2 15 18 7 22 260
Association       10   1   4       2                 1   9     10 37
Special legal forms 1     4   6 1 4 1 1       1                 4     7 30
140 7 8 354 102 169 96 365 8 29 15 104 32 21 11 126 34 75 71 79 180 6 401 68 333 704 3'538

This auditor is recorded as statutory auditor for 3453 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'538 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 28     2 4 1       1   1     1   4 5             2 4 53
Basel 41 2 4 32 83 138 19 98 1 8 9 24 5 2 1 41 5 24 14 16 23 3 111 28 26 73 831
Bern 7     271 5 6 26   1 2 2 15 3 13 1 9 2 28 5 4 2 1 12 2 6 36 459
Lancy       4   4 10 199       2 9       1 3         53 3 8 15 311
Lausanne       15   1 33 41     1   11     1         9   203 28 6 5 354
Lugano                       1 1               141   1   2 4 150
Luzern 3     2   2           15     4                   2   28
St. Gallen 7 2 4 1 2 1 1 3   6 1   1     51 2   1 18 1   4 2 3 13 124
Zug 1     1 1     1   1   7   2     5   2 2 1       100 8 132
Zürich 53 3   26 7 16 7 23 6 11 2 39 2 4 4 24 15 15 49 39 3 2 17 5 178 546 1'096
140 7 8 354 102 169 96 365 8 29 15 104 32 21 11 126 34 75 71 79 180 6 401 68 333 704 3'538

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: 3'544

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
INUIKII AG CHE-131.248.430 Zürich 08.12.2022 Auditor switch Zürich
WePractice AG CHE-136.324.653 Zürich 08.12.2022 First auditor Zürich
Centre Balexert SA CHE-105.947.870 Vernier 05.12.2022 Auditor switch Lancy
ASSA ABLOY Entrance Systems record AG CHE-148.022.704 Fehraltorf 02.12.2022 First auditor Zürich
Bahnhof Apotheke Langnau AG CHE-107.217.624 Langnau im Emmental 02.12.2022 Auditor switch 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
Ente Ospedaliero Cantonale (EOC) CHE-108.955.162 Bellinzona 07.12.2022 Auditor switch Lugano
Glambou AG CHE-136.726.313 Zürich 06.12.2022 Opting-out Zürich
Sogenel Capital Holding SA CHE-451.856.195 Lugano 30.11.2022 Opting-out Lugano
TD SYNNEX International Sàrl CHE-105.440.565 Gland 30.11.2022 Auditor switch Lancy
Tradition S.A. CHE-107.035.141 Lausanne 30.11.2022 Auditor switch Lausanne