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
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  (10.94 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.8 years (max.: 35.5 years)

Total number of statutory audit engagements: 3'270 (Ranked #3 in Switzerland)

Change in number of audit engagements: -102 (since 31.12.2023), -207 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 45 (thereof 6 in the SMI, 7 in the SMI Expanded and 25 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 74 2 6 220 74 100 61 262 5 16 7 52 22 18 5 66 17 44 42 53 109 1 268 37 209 507 2'277
Limited liability company 15     11 9 19 3 34   2 1 9 8   1 7 14 6 6 1 11   37 2 64 51 311
Foundation 11 1   69 13 32 4 32 1 2 1 7 3 1   8   6 6 4 16 1 28 4 19 96 365
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
123 4 8 339 104 159 79 339 8 29 14 87 35 20 7 114 32 69 58 72 154 4 358 62 298 694 3'270

This audit firm is recorded as statutory auditor for 3577 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'270 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 25     2 4 1       1   1     1   2 5             3 5 50
Basel 38 2 4 33 85 128 18 98 1 8 9 20 5 1 1 39 4 23 12 16 23 3 106 27 24 89 817
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 8 182       2 9         4         46 2 8 15 285
Lausanne       14   2 26 34         12     1         8   175 26 6 4 308
Lugano               1   2   1 1 2             116       2 5 130
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   25 7 16 4 20 6 10 2 28 3 3 1 22 17 13 38 36 3   15 4 170 518 1'006
123 4 8 339 104 159 79 339 8 29 14 87 35 20 7 114 32 69 58 72 154 4 358 62 298 694 3'270

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: 3'276

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
Bank-now AG CHE-113.328.982 Horgen 19.06.2024 Auditor switch Zürich
Stiftung Atusana CHE-232.984.058 Bern 19.06.2024 First auditor Basel
Laser Digital Switzerland AG CHE-133.998.217 Zürich 17.06.2024 First auditor Zürich
Laser Digital Holdings AG CHE-439.243.745 Zürich 14.06.2024 First auditor Zürich
pL Holding1 AG CHE-465.878.725 Langnau im Emmental 14.06.2024 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
Orior AG CHE-113.034.902 Zürich 18.06.2024 Auditor switch Basel
ISS Facility Services AG CHE-106.101.723 Zürich 17.06.2024 Auditor switch Zürich
Teilinger Investments SA CHE-160.936.124 Genève 17.06.2024 Opting-out Lancy
ISS Schweiz AG CHE-101.301.143 Zürich 14.06.2024 Auditor switch Zürich
Migros Digital Solutions AG in Liquidation CHE-310.918.970 Zürich 14.06.2024 Opting-out Zürich