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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 Visura (CHE-325.058.313) in Nyon (VD)
BDO SA (CHE-412.010.941) 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  (19.47 audit engagements per employee on average)
Auditor Statistics

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

Total number of statutory audit engagements: 6'387 (Ranked #1 in Switzerland)

Change in number of audit engagements: +83 (since 31.12.2024), +161 (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 528 5 9 494 145 114 129 193 20 56 32 305 41 52 78 121 21 284 116 72 123 50 259 115 258 793 4'413
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 26 70 316
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 4 2 1   4   1   5   5   2 5   6 1   4 58
∑ 716 7 22 736 206 223 169 249 34 88 49 446 49 69 102 188 27 422 142 95 171 66 348 160 332 1'271 6'387

This audit firm is recorded as statutory auditor for 2584 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 6'387 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 6       1                                       3 22 32
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     11 67 152     1     2   1 2     11     2 2 1   2 15 279
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       208 14 2   278
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   257   13 22 4   1 8   3 3   4 39 42 426
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           121 10 1 2 51     1   5 19 240
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   5 8 133
Vernier       1     7 200         7 1       1     3   52 2 5 7 286
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 86 770 1'143
∑ 716 7 22 736 206 223 169 249 34 88 49 446 49 69 102 188 27 422 142 95 171 66 348 160 332 1'271 6'387

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: 6'388

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
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
ELCA Holding SA CHE-101.102.891 Pully 07.07.2025 Auditor switch Epalinges
ELCA Informatique SA CHE-105.944.452 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
UNICORN GROUP AG CHE-371.101.805 Lugano 07.07.2025 Discontinued Chur
Espace Real Estate AG CHE-102.883.216 Solothurn 04.07.2025 Auditor switch Solothurn
Espace Real Estate Holding AG CHE-104.079.024 Solothurn 04.07.2025 Auditor switch Solothurn
Pensionskasse SRG SSR CHE-109.930.549 Bern 03.07.2025 Auditor switch Bern
Pietro Fiorentini AG CHE-101.373.473 Schwerzenbach 03.07.2025 Auditor switch St. Gallen