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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 (41) 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 Visura (CHE-313.641.055) in Delémont (JU)
BDO SA (CHE-383.819.803) in Delémont (JU)
BDO SA (CHE-208.015.259) 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 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 296  (21.53 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.1 years (max.: 32.7 years)

Total number of statutory audit engagements: 6'374 (Ranked #1 in Switzerland)

Change in number of audit engagements: +68 (since 31.12.2024), +135 (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 522 5 9 500 144 110 126 191 21 59 34 303 40 52 79 125 21 289 112 73 127 52 250 111 252 796 4'403
Limited liability company 23     28 8 12 13 15 4 8 5 12 6 1 3 17 2 23 7 3 5 1 8 17 27 69 317
Foundation 118   11 130 33 73 13 31 6 15 12 80 2 16 20 39 4 84 14 13 27 11 54 21 34 260 1'121
Cooperative 25 1 1 36 9 5 9   1 6   22 1 1 1 3   12 4 6 4 3 6 2 3 83 244
Association 23     44 9 14 1 5   2   22       4   15 1   3   14 4 9 58 228
Special legal forms 2 1 1 7 1 2 5 5 2 1   4   1   5   6   2 5   6 1   4 61
∑ 713 7 22 745 204 216 167 247 34 91 51 443 49 71 103 193 27 429 138 97 171 67 338 156 325 1'270 6'374

This audit firm is recorded as statutory auditor for 2529 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 6'374 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 452     11 12 12   1   4   18   1   2   29 4 4   1 1   16 63 631
Affoltern am Albis 6       1                                       3 22 32
Altdorf (UR) 1                 1   2             13     52     3   72
Baden 108     10 1 2       1   7     1     4 2       2 1 4 25 168
Basel 7     10 66 145     1 1 1 2   1 2     11     2 3 1   2 13 268
Bern 19     325 2 4 16 4 2 7 1 12 5 1   1 1 10 5 6 1 2 10 14 9 31 488
Biel/Bienne 3     73 1 5 1 1     1   3         6         5     10 109
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       203 14 2   274
Frauenfeld                               1       14         1 4 20
Glarus     1 1         18             9     1             10 40
Grenchen       31 1 2 1               1 1   77     1   1   2 6 124
Herisau   1 3                         1                   2 7
Lachen 12   2   2 2   1 3 4   2     1 14 1   50 2   1     4 26 127
Lamone               4   5   2                 155   1   1 4 172
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   15 21 4   1 8   3 3   4 37 42 427
Monthey                                             3 7     10
Muri (AG) 2                                                   2
Nyon               2                             21       23
Olten 11     7 1   1       1 1           51             5   78
Porrentruy               1                                     1
Porrentruy       1             24                               25
Sarnen                       5   1 49                       55
Schaffhausen                                 1                 2 3
Sion               3                             4 107 2   116
Solothurn 6     56 2 1 2         3 3   4 1   197     1   1   3 14 294
St. Gallen 3 3 16 2 1       3 6           125 10 1 3 52     1   4 21 251
Stans 2     2               7 1 45 8 1           4     1 1 72
Steinhausen 3     11 1     1   1   9 1   1 3   1 2           123 24 181
Sursee 11     5     1   2     92   3 3 1   1   1     1   5 8 134
Vernier       1     8 200         7 1       1     3   53 2 5 7 288
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   2 153 180
Zofingen 2                                 1                 3
Zürich 44 2   34 16 21 1 9 3 11 6 15 1 2 11 24 11 4 44 12 4 1 8 3 87 771 1'145
∑ 713 7 22 745 204 216 167 247 34 91 51 443 49 71 103 193 27 429 138 97 171 67 338 156 325 1'270 6'374

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: 6'375

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
Didac Schulen AG CHE-439.124.589 Bern 17.04.2025 Auditor switch Zürich
Nestwärme Kinderbetreuung CHE-113.176.264 Studen (BE) 17.04.2025 First auditor Burgdorf
Christener Cheminées SA CHE-106.048.827 Nyon 16.04.2025 Auditor switch Nyon
Paxion, psychosozialer Support für Geflüchtete CHE-306.648.916 Aarau 16.04.2025 First auditor Bern
Hospital at Home AG CHE-208.723.942 Zollikon 15.04.2025 First auditor Wetzikon (ZH)
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
Isolfin Holding SA CHE-474.135.801 Lugano 15.04.2025 Discontinued Lamone
SIEP Holding AG CHE-474.767.591 Zürich 14.04.2025 Auditor switch Zürich
KIKO Swiss SA CHE-364.376.254 Zürich 09.04.2025 Auditor switch Zürich
KWZ AG CHE-111.957.687 Baar 09.04.2025 Auditor switch Zürich
KWZ Industrie AG CHE-107.822.966 Baar 09.04.2025 Auditor switch Zürich