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Fact Sheet BDO AG

Core Company Information
Company Name BDO AG
UID CHE-105.952.747
Alternative / previous Names BDO SA, BDO Ltd
BDO Visura
Visura Treuhand-Gesellschaft, Visura Société Fiduciaire, Visura Società Fiduciaria, Visura Auditing and Fiduciary Company
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 30.12.1932
Website https://www.bdo.ch
Takeovers: BDO Visura International AG (CHE-101.311.259), per 29.11.2016
accontax Markus Gfeller Treuhand AG (CHE-101.350.360), per 03.06.2025
Continental Revision und Treuhand AG in Liquidation (CHE-102.133.983), per 11.12.2020
LMK Revisions AG (CHE-102.604.764), per 12.07.2021
Fidirevisa SA (CHE-105.752.734), per 17.12.2015
BDO Sofirom SA (CHE-106.015.064), per 09.07.2013
Wyss + Partner Treuhand AG (CHE-106.214.899), per 29.06.2021
Dr. Suter Treuhand AG (CHE-106.926.617), per 06.05.2010
Jörg Moser AG (CHE-108.766.997), per 03.06.2022
FSA FIDUCIARIA SVIZZERA DEGLI ALBERGATORI DIVISIONE TICINO SA (CHE-110.366.118), per 09.07.2013
BDO Visura (Valais) SA (CHE-113.627.261), per 09.07.2013
FAOA Information
FAOA ID 500705
RAB Permission state-regulated audit firm
FAOA License active (since 13.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (42) BDO AG (CHE-345.012.024) in Aarau (AG)   [+]
BDO AG (CHE-265.966.133) in Affoltern am Albis (ZH)
BDO AG (CHE-426.842.563) in Altdorf (UR) (UR)
BDO AG (CHE-367.201.384) in Arosa (GR)
BDO AG (CHE-229.255.214) in Baden (AG)
BDO AG (CHE-370.772.724) in Basel (BS)
BDO AG (CHE-430.259.378) in Bern (BE)
BDO AG (CHE-305.494.906) in Biel/Bienne (BE)
BDO SA (CHE-224.514.963) in Bulle (FR)
BDO AG (CHE-414.946.954) in Burgdorf (BE)
BDO AG (CHE-444.757.547) in Chur (GR)
BDO SA (CHE-208.015.259) in Delémont (JU)
BDO Visura (CHE-313.641.055) in Delémont (JU)
BDO SA (CHE-383.819.803) in Delémont (JU)
BDO Visura (CHE-421.671.283) in Egerkingen (SO)
BDO SA (CHE-347.141.454) in Epalinges (VD)
BDO AG (CHE-487.865.056) in Frauenfeld (TG)
Visura Société Fiduciaire (CHE-999.000.112) in Fribourg (FR)
BDO AG (CHE-314.312.594) in Glarus (GL)
BDO AG (CHE-327.753.565) in Grenchen (SO)
BDO AG (CHE-325.977.510) in Herisau (AR)
BDO AG (CHE-367.593.836) in Kreuzlingen (TG)
BDO AG (CHE-373.972.722) in Lachen (SZ)
BDO AG (CHE-132.773.704) in Lamone (TI)
BDO AG (CHE-408.158.150) in Langenthal (BE)
BDO AG (CHE-320.101.456) in Laufen (BL)
BDO AG (CHE-147.528.510) in Liestal (BL)
BDO AG (CHE-384.263.558) in Luzern (LU)
BDO SA (CHE-213.009.885) in Monthey (VS)
BDO AG (CHE-218.606.663) in Muri (AG) (AG)
BDO SA (CHE-412.010.941) in Nyon (VD)
BDO Visura (CHE-325.058.313) in Nyon (VD)
BDO Visura (ADM-212.658.265) in Oensingen (SO)
BDO AG (CHE-303.222.254) in Olten (SO)
BDO Visura (ADM-278.574.216) in Olten (SO)
BDO SA (CHE-464.088.838) in Porrentruy (JU)
BDO SA (CHE-309.054.162) in Porrentruy (JU)
BDO AG (CHE-329.959.698) in Rüte (AI)
BDO AG (CHE-135.926.789) in Sarnen (OW)
BDO AG (CHE-161.247.777) in Schaffhausen (SH)
BDO AG (CHE-210.965.785) in Schwyz (SZ)
BDO SA (CHE-278.511.546) in Sion (VS)
BDO AG (CHE-389.731.986) in Solothurn (SO)
BDO AG (CHE-386.245.531) in St. Gallen (SG)
BDO AG (CHE-457.315.785) in Stans (NW)
BDO AG (CHE-384.985.628) in Steinhausen (ZG)
BDO AG (CHE-295.361.041) in Sursee (LU)
BDO AG (CHE-154.513.531) in Uster (ZH)
BDO SA (CHE-398.161.059) in Vernier (GE)
BDO SA (CHE-320.207.362) in Villars-sur-Glâne (FR)
BDO AG (CHE-345.180.503) in Wetzikon (ZH) (ZH)
BDO AG (CHE-363.697.773) in Wil (SG) (SG)
BDO AG (CHE-392.959.099) in Winterthur (ZH)
BDO AG (CHE-313.962.401) in Zofingen (AG)
BDO Visura (CHE-316.539.499) in Zürich (ZH)
Membership in Associations EXPERTsuisse
SVIR
Number of auditors with permission 328  (19.46 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.2 years (max.: 32.9 years)

Total number of statutory audit engagements: 6'383 (Ranked #1 in Switzerland)

Change in number of audit engagements: +79 (since 31.12.2024), +155 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 18 (thereof 0 in the SMI, 1 in the SMI Expanded and 13 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 527 5 9 493 145 114 129 193 20 56 32 305 41 52 78 120 21 284 116 72 123 50 260 115 258 792 4'410
Limited liability company 21     27 9 12 13 15 4 8 5 12 6 1 3 16 2 22 7 2 7 2 9 17 27 70 317
Foundation 119   11 129 33 77 13 31 7 15 12 80 1 14 19 39 4 85 14 13 29 11 55 21 35 263 1'130
Cooperative 24 1 1 35 9 5 8   1 6   23 1 1 1 3   12 4 6 4 3 6 2 3 83 242
Association 22     45 9 13 1 6   2   22     1 4   14 1   3   13 4 10 58 228
Special legal forms 2 1 1 6 1 2 5 3 2 1   3   1   5   5   2 5   6 1   4 56
∑ 715 7 22 735 206 223 169 248 34 88 49 445 49 69 102 187 27 422 142 95 171 66 349 160 333 1'270 6'383

This audit firm is recorded as statutory auditor for 2585 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 6'383 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 446     11 12 12   1   4   18   1   2   28 4 4   1 1   14 63 622
Affoltern am Albis 5       1                                       3 22 31
Altdorf (UR) 1                 1   2             13     52     3   72
Baden 110     10 1 2       1   7     2     4 2       2 1 4 25 171
Basel 10     10 67 152     1     2   1 2     11     2 2 1   2 15 278
Bern 18     322 2 4 15 4 2 7 1 12 5 1   1 1 11 5 6 1 2 10 16 8 30 484
Biel/Bienne 3     70 2 5 1 1     1   3         6         5     10 107
Burgdorf 2     67     1         1           9             1 2 83
Chur                 1 42           1       3             47
Delémont       1             8   4                           13
Epalinges       1     9 18     6   18         1 1       209 14 2   279
Frauenfeld                               1       14         1 4 20
Glarus     1 1         19             9     1             10 41
Grenchen       30 1 2 1               1 1   76     1   1   3 6 123
Herisau   1 3                         1                   2 7
Lachen 12   2   3 2   1 3 4   2     1 14 1   53 2   1     4 26 131
Lamone               4   5   2                 156   1   1 4 173
Langenthal       75                           3                 78
Laufen         13                         14                 27
Liestal 6     1 83 22         2 5   1       7 1       3   1 5 137
Luzern 9     13 1         7   256   13 22 4   1 8   3 3   4 39 42 425
Monthey                                             3 8     11
Muri (AG) 2                                                   2
Nyon               3                             27       30
Olten 11     8 1   1       1 1           48             5   76
Porrentruy       1             24                               25
Porrentruy               1                                     1
Sarnen 1                     4   1 47                       53
Schaffhausen                                 1                 2 3
Sion             1 3                             4 108 2   118
Solothurn 6     55 1 1 2         3 3   3 1   195     1   1   3 14 289
St. Gallen 3 3 16 1 1       2 4           120 10 1 2 51     1   5 19 239
Stans 2     2               7 1 45 8 1           4     1 1 72
Steinhausen 3     14 1     1   2   12 1   1 3   1 2           129 21 191
Sursee 11     5     1   2     92   3 3 1       1     1   6 8 134
Vernier       1     7 199         7 1       1     3   52 2 5 7 285
Villars-sur-Glâne       4     128 2         6                   17 4 2 4 167
Wetzikon (ZH) 3 1   1         1     2     1 4 3   4 3     2   3 159 187
Zofingen 8                                 1                 9
Zürich 43 2   31 16 21 2 10 3 11 6 17 1 2 11 23 11 4 46 11 4 1 8 3 86 769 1'142
∑ 715 7 22 735 206 223 169 248 34 88 49 445 49 69 102 187 27 422 142 95 171 66 349 160 333 1'270 6'383

Show client list for Aarau, Affoltern am Albis, Altdorf (UR), Baden, Basel, Bern, Biel/Bienne, Burgdorf, Chur, Delémont, Epalinges, Frauenfeld, Glarus, Grenchen, Herisau, Lachen, Lamone, Langenthal, Laufen, Liestal, Luzern, Monthey, Muri (AG), Nyon, Olten, Porrentruy, Porrentruy, Sarnen, Schaffhausen, Sion, Solothurn, St. Gallen, Stans, Steinhausen, Sursee, Vernier, Villars-sur-Glâne, Wetzikon (ZH), Zofingen, Zürich.

Related audit firms

Network:

Total number of audit engagements across the network: 6'384

Direct personal relationship:

Same domicile: 

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
FAN4LIFE SA CHE-251.921.029 Pully 08.07.2025 Auditor switch Epalinges
Glastechnik Schürmann GmbH CHE-110.245.555 Hünenberg 08.07.2025 First auditor Sursee
AXICOM HV AG CHE-200.434.807 Wohlen (AG) 07.07.2025 Auditor switch Aarau
Bluwat AG CHE-100.168.396 Zug 07.07.2025 Auditor switch Steinhausen
ELCA Cloud Services SA CHE-415.510.298 Pully 07.07.2025 Auditor switch Epalinges
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
CAP Fondation de prévoyance intercommunale de droit public de la Ville de Genève, des Services industriels de Genève et des communes genevoises affiliées, ainsi que d'autres employeurs affiliés conventionnellement CHE-307.188.834 Genève 08.07.2025 Auditor switch Vernier
K-Tipp Rechtsschutz AG CHE-446.173.699 Zürich 08.07.2025 Auditor switch Zürich
Luzerner Pensionskasse (LUPK) CHE-108.954.180 Luzern 08.07.2025 Auditor switch Luzern
PN Steel AG CHE-411.085.793 St. Gallen 08.07.2025 Discontinued St. Gallen
Swissmetal Industries SA CHE-349.591.012 Reconvilier 08.07.2025 Auditor switch Basel