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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
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-383.819.803) in Delémont (JU)
BDO SA (CHE-208.015.259) in Delémont (JU)
BDO Visura (CHE-313.641.055) 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-309.054.162) in Porrentruy (JU)
BDO SA (CHE-464.088.838) 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  (19.48 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.2 years (max.: 32.8 years)

Total number of statutory audit engagements: 6'388 (Ranked #1 in Switzerland)

Change in number of audit engagements: +84 (since 31.12.2024), +147 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 20 (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 521 5 9 498 145 111 128 193 21 59 34 303 40 52 80 124 21 290 113 73 125 51 251 114 257 796 4'414
Limited liability company 23     28 9 12 13 15 4 8 5 12 6 1 3 17 2 22 7 2 5 1 8 17 26 70 316
Foundation 119   11 130 33 75 13 31 6 15 12 81 2 14 20 39 4 84 14 13 27 11 54 21 34 261 1'124
Cooperative 24 1 1 36 9 5 9   1 6   22 1 1 1 3   12 4 6 4 3 6 2 3 83 243
Association 23     44 9 14 1 5   2   23     1 4   15 1   3   14 4 10 58 231
Special legal forms 2 1 1 6 1 2 5 5 2 1   4   1   5   6   2 5   6 1   4 60
∑ 712 7 22 742 206 219 169 249 34 91 51 445 49 69 105 192 27 429 139 96 169 66 339 159 330 1'272 6'388

This audit firm is recorded as statutory auditor for 2538 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 6'388 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 448     11 12 12   1   4   18   1   2   29 4 4   1 1   16 63 627
Affoltern am Albis 6       1                                       3 22 32
Altdorf (UR) 1                 1   2             13     51     3   71
Baden 111     10 1 2       1   7     2     4 2       2 1 4 25 172
Basel 7     10 68 148     1 1 1 2   1 2     11     2 3 1   2 13 273
Bern 18     325 2 4 16 4 2 7 1 12 5 1   1 1 10 5 6 1 2 10 16 9 31 489
Biel/Bienne 3     72 1 5 1 1     1   3         6         5     10 108
Burgdorf 2     68     1         1           8             1 2 83
Chur                 1 43           1       3 1           49
Delémont       1             8   4                           13
Epalinges       1     9 18     7   18         1 1       202 14 2   273
Frauenfeld                               1       14         1 4 20
Glarus     1 1         18             9     1             10 40
Grenchen       31 1 2 1               1 1   77     1   1   3 6 125
Herisau   1 3                         1                   2 7
Lachen 12   2   2 2   1 3 4   2     1 14 1   52 2   1     4 26 129
Lamone               4   5   2                 153   1   1 4 170
Langenthal       75                           3                 78
Laufen         13                         14                 27
Liestal 6     2 83 22         2 5   1       8 1       3   1 5 139
Luzern 9     13 1         7   259   13 22 4   1 8   3 3   4 38 42 427
Monthey                                             3 8     11
Muri (AG) 2                                                   2
Nyon               3                             22       25
Olten 11     7 1   1       1 1           51             5   78
Porrentruy       1             24                               25
Porrentruy               1                                     1
Sarnen                       4   1 49                       54
Schaffhausen                                 1                 2 3
Sion             1 3                             4 107 2   117
Solothurn 6     55 2 1 2         3 3   4 1   197     1   1   3 14 293
St. Gallen 3 3 16 1 1       3 6           124 10 1 2 51     1   5 21 248
Stans 2     2               7 1 45 8 1           4     1 1 72
Steinhausen 3     11 1     1   1   9 1   1 3   1 2           126 22 182
Sursee 11     5     1   2     93   3 3 1   1   1     1   5 8 135
Vernier       1     8 200         7 1       1     3   54 2 5 7 289
Villars-sur-Glâne       4     126 2         6                   17 4 2 4 165
Wetzikon (ZH) 4 1   1         1     2     1 4 3   4 3     2   2 156 184
Zofingen 3                                 1                 4
Zürich 44 2   34 16 21 2 10 3 11 6 16 1 2 11 24 11 4 44 12 4 1 8 3 86 772 1'148
∑ 712 7 22 742 206 219 169 249 34 91 51 445 49 69 105 192 27 429 139 96 169 66 339 159 330 1'272 6'388

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: 6'389

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
Cubera Solutions AG CHE-110.059.024 Meilen 20.05.2025 Auditor switch Wetzikon (ZH)
International Rowing Championships Association Lucerne CHE-101.210.902 Luzern 20.05.2025 First auditor Luzern
Jost Mulden & Recycling AG CHE-314.004.632 Aesch (BL) 20.05.2025 First auditor Basel
Star Tower GVA SA CHE-279.704.131 Lancy 20.05.2025 First auditor Zürich
Stiftung Alterszentrum Schiffländi, Gränichen CHE-106.568.191 Gränichen 20.05.2025 Auditor switch Aarau
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
Hotel Ambassador Luzern AG CHE-103.164.590 Luzern 21.05.2025 Auditor switch Luzern
Golf Rastenmoos AG CHE-105.258.144 Neuenkirch 16.05.2025 Discontinued Luzern
SIDERALLOYS INTL SA CHE-464.896.519 Lugano 14.05.2025 Discontinued Lamone
SIDERALLOYS SA CHE-334.997.262 Lugano 14.05.2025 Discontinued Lamone
Dyno AG CHE-113.576.907 Aefligen 12.05.2025 Auditor switch Solothurn