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Fact Sheet FORVIS MAZARS SA

Core Company Information
Company Name FORVIS MAZARS SA
UID CHE-107.861.311
Alternative / previous Names MAZARS AG, MAZARS LTD
Mazars & Guérard SA (until 26.02.2003)
MAZARS (Suisse) SA, MAZARS (Schweiz) AG, MAZARS (Switzerland) LTD (until 19.12.2005)
MAZARS CORESA (until 26.01.2010)
MAZARS CORESA SA, MAZARS CORESA AG, MAZARS CORESA LTD (until 19.04.2013)
MAZARS SA, MAZARS AG, MAZARS LTD (until 13.06.2024)
Domicile Vernier
Canton GE
Legal Form Limited corporation
Inscription Date 06.03.1975
Website https://www.mazars.ch
Phone +41 4 4 3 84 84 44
Takeovers: Coresa, Contrôle, Organisation, Révision SA (CHE-106.031.703), per 19.12.2005
REVITAG SA (CHE-101.360.312), per 09.03.2017
FAOA Information
FAOA ID 500241
RAB Permission state-regulated audit firm
FAOA License active (since 27.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (9) FORVIS MAZARS SA (CHE-183.769.593) in Basel (BS)  
FORVIS MAZARS SA (CHE-328.124.886) in Bern (BE)
FORVIS MAZARS SA (CHE-209.061.262) in Delémont (JU)
FORVIS MAZARS SA (CHE-388.216.322) in Fribourg (FR)
FORVIS MAZARS SA (CHE-281.111.934) in Lausanne (VD)
FORVIS MAZARS SA (CHE-363.308.793) in Lugano (TI)
FORVIS MAZARS SA (CHE-463.790.686) in Neuchâtel (NE)
FORVIS MAZARS SA (CHE-317.742.057) in Sion (VS)
FORVIS MAZARS SA (CHE-248.814.976) in Zürich (ZH)
MAZARS CORESA (CHE-271.109.628) in Lausanne (VD)
Membership in Associations EXPERTsuisse
SVIR
Number of auditors with permission 70  (11.06 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 4.9 years (max.: 25.8 years)

Total number of statutory audit engagements: 774 (Ranked #10 in Switzerland)

Change in number of audit engagements: +54 (since 31.12.2024), +61 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 11 (thereof 0 in the SMI, 0 in the SMI Expanded and 8 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 VD VS ZG ZH ∑
Limited corporation 11     43 13 4 16 122 1 1 20 9 36 1 3 11 1 7 11 6 15 120 18 44 67 580
Limited liability company 3     3 1   1 40     2 1                 1 19 2 4 7 84
Foundation     1 2     7 31       1 5     2     1   1 13 4   3 71
Cooperative 1 1   2     1           1                         6
Association       1     1 8     1 1                   15   1 1 29
Special legal forms               1                           3       4
∑ 15 1 1 51 14 4 26 202 1 1 23 12 42 1 3 13 1 7 12 6 17 170 24 49 78 774

This audit firm is recorded as statutory auditor for 226 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 774 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 VD VS ZG ZH ∑
Basel 2       4                                         6
Bern       17               2       1   1   1       1 1 24
Delémont       5             11                             16
Fribourg       2     15 1     1                     2       21
Lausanne       4     5 7     7   10         1 1 1   128 4 2 2 172
Neuchâtel       1             1   21                 1       24
Sion                                             11     11
Vernier       6     4 190 1   3   11 1 1 2   1     12 28 9 7 10 286
Zürich 13 1 1 16 10 4 2 4   1   10     2 10 1 4 11 4 5 11   39 65 214
∑ 15 1 1 51 14 4 26 202 1 1 23 12 42 1 3 13 1 7 12 6 17 170 24 49 78 774

Show client list for Basel, Bern, Delémont, Fribourg, Lausanne, Neuchâtel, Sion, Vernier, Zürich.

Related audit firms

Direct personal relationship:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
ANCERVA AG CHE-160.935.768 Zug 06.11.2025 First auditor Zürich
CSN ITC Solutions AG CHE-481.524.421 Zug 03.11.2025 First auditor Zürich
Le Conseil International des Agences Bénévoles CHE-100.871.337 Genève 30.10.2025 Auditor switch Vernier
Internet Archive Switzerland CHE-238.343.099 St. Gallen 29.10.2025 First auditor Vernier
Mutschler Holding AG CHE-113.671.859 Zürich 29.10.2025 Auditor switch Zürich
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
Genera Holding AG CHE-286.303.814 Zug 31.10.2025 Auditor switch Zürich
Genera Services AG CHE-291.216.598 Zug 31.10.2025 Auditor switch Zürich
Genera WM AG CHE-289.892.761 Zug 31.10.2025 Auditor switch Zürich
Aellig Paysages SA CHE-444.672.141 Valbirse 21.10.2025 Auditor switch Delémont
Fondation Patrick Moradpour CHE-110.209.016 Meyrin 03.10.2025 Auditor switch Bern