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

Enter auditor name:

Fact Sheet Ernst & Young AG

Core Company Information
Company Name Ernst & Young AG
Company 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)
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 289  (12.36 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 9.7 years (max.: 32.8 years)

Total number of statutory audit engagements: 3'571 (Ranked #3 in Switzerland)

Change in number of audit engagements: +115 (since 31.12.2020), +76 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 55 (thereof 4 in the SMI, 11 in the SMI Expanded and 32 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 79 4 7 240 82 121 65 287 9 21 8 69 22 18 11 68 13 53 51 43 139 2 300 36 264 533 2'545
Limited liability company 14     10 6 14 3 34   2 2 14 7   2 7 17 6 4 2 16   36 2 61 54 313
Foundation 19 1   76 14 32 5 41 1 2 1 8 3 1   5   7 10 8 19 1 33 6 25 88 406
Cooperative 21 1 2 26 7   10 3 1 8 5 17 2 1 1 31 1 13 4 13 16 2 12 15 7 18 237
Association       11   1   4       2                 1   9     10 38
Special legal forms 2     4 1 6   5 1 1       1       1     1   4     5 32
135 6 9 367 110 174 83 374 12 34 16 110 34 21 14 111 31 80 69 66 192 5 394 59 357 708 3'571

This auditor is recorded as statutory auditor for 3459 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 3'571 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 30     3 5 1       1   5     1   3 7 4 1         6 15 82
Basel 36 2 3 34 88 144 19 94 1 8 9 24 5 2 1 34 5 27 14 16 21 3 110 24 20 79 823
Bern 8     275 5 6 19 1 1 2 3 11 1 12 1 8 2 27 5 3 2 1 12 4 11 31 451
Lancy       4   4 9 210       2 12       1 3     3   54 3 8 12 325
Lausanne       19   1 29 38     1 1 12     1   1 1   8   196 25 6 5 344
Lugano       1       2       1 1               153   1   4 6 169
Luzern 2     2   1           17     5                   3   30
St. Gallen 7 2 6 1 2 1 1 3   8 1   1     47 2   1 18 1   3 2 3 14 124
Zug 1     1       2   1   10   3 2   5   2 2 1   1   114 9 154
Zürich 51 2   27 10 16 6 24 10 14 2 39 2 4 4 21 13 15 42 26 3 1 17 1 182 537 1'069
135 6 9 367 110 174 83 374 12 34 16 110 34 21 14 111 31 80 69 66 192 5 394 59 357 708 3'571

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: 3'579

Direct personal relationship:

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
Banque Raiffeisen Fribourg-Ouest société coopérative CHE-105.819.574 Villars-sur-Glâne 27.09.2021 Auditor switch Basel
Brady Switzerland SA CHE-103.805.762 Chêne-Bourg 27.09.2021 Auditor switch Lancy
Vertical Bio AG CHE-258.257.250 Basel 27.09.2021 First auditor Basel
Ambu AG CHE-244.930.632 Dietikon 24.09.2021 First auditor Zürich
Gebr. Bräm AG CHE-105.836.644 Zürich 24.09.2021 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
Sunca Immobilien GmbH CHE-110.170.288 Baar 24.09.2021 Opting-out Zürich
ambulantes Operationszentrum Christoffel AG CHE-241.680.284 Bern 15.09.2021 Opting-out Bern
FCA Capital Suisse SA CHE-106.002.558 Schlieren 15.09.2021 Auditor switch Bern
Barbara Keller-Stiftung CHE-262.660.376 Zug 14.09.2021 Auditor switch Zug
NAFTIRAN INTERTRADE CO. (NICO) Sàrl CHE-109.711.148 Pully 14.09.2021 Auditor switch Lancy