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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  (19.46 audit engagements per employee on average)
Auditor Statistics

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

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

Change in number of audit engagements: +79 (since 31.12.2024), +146 (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 520 5 9 498 144 111 128 192 21 59 34 304 40 52 80 124 21 291 113 73 125 51 251 113 256 795 4'410
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 118   11 130 33 74 13 31 6 15 12 81 2 16 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   22     1 4   15 1   3   14 4 10 58 230
Special legal forms 2 1 1 6 1 2 5 5 2 1   4   1   5   6   2 5   6 1   4 60
∑ 710 7 22 742 205 218 169 248 34 91 51 445 49 71 105 192 27 430 139 96 169 66 339 158 329 1'271 6'383

This audit firm is recorded as statutory auditor for 2536 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 447     11 12 12   1   4   18   1   2   29 4 4   1 1   16 63 626
Affoltern am Albis 6       1                                       3 22 32
Altdorf (UR) 1                 1   2             13     51     3   71
Baden 110     10 1 2       1   7     2     4 2       2 1 4 25 171
Basel 7     10 67 147     1 1 1 2   1 2     11     2 3 1   2 13 271
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   78     1   1   2 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   260   14 22 4   1 8   3 3   4 38 42 429
Monthey                                             3 7     10
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                       5   1 49                       55
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 46 8 1           4     1 1 73
Steinhausen 3     11 1     1   1   9 1   1 3   1 2           126 22 182
Sursee 11     5     1   2     92   3 3 1   1   1     1   5 8 134
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     1     1 4 3   4 3     2   2 155 182
Zofingen 3                                 1                 4
Zürich 44 2   34 16 21 2 9 3 11 6 16 1 2 11 24 11 4 44 12 4 1 8 3 86 772 1'147
∑ 710 7 22 742 205 218 169 248 34 91 51 445 49 71 105 192 27 430 139 96 169 66 339 158 329 1'271 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
Alterssiedlung Albert Näf-Hallauer CHE-110.382.695 Zürich 15.05.2025 Auditor switch Zürich
GarLa Gruppe Holding AG CHE-406.777.454 Freienbach 15.05.2025 First auditor Lachen
WG-Treuhand AG CHE-113.859.765 Basel 15.05.2025 Auditor switch Basel
MONTEBIANCO ASSET & WEALTH MANAGEMENT SA CHE-366.096.400 Genève 12.05.2025 Auditor switch Vernier
Orion Holding AG CHE-420.684.969 Sarnen 12.05.2025 First auditor Baden
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
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
Cerris Group AG CHE-115.163.657 Zürich 09.05.2025 Discontinued Steinhausen
Planung von Arx AG CHE-382.350.560 Silenen 09.05.2025 Opting-out Altdorf (UR)