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Fact Sheet Treuhand- und Revisionsgesellschaft Mattig-Suter und Partner

Core Company Information
Company Name Treuhand- und Revisionsgesellschaft Mattig-Suter und Partner
UID CHE-102.292.601
Alternative / previous Names Treuhand- u. Revisionsges. Mattig-Suter und Partner
Treuhand- und Revisionsgesellschaft Suter, Mattig und Partner (until 07.10.1992)
Domicile Schwyz
Canton SZ
Legal Form Private limited partnership
Inscription Date 20.05.1960
FAOA Information
FAOA ID 500505
RAB Permission state-regulated audit firm
FAOA License active (since 13.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (3) Treuhand- und Revisionsgesellschaft Mattig-Suter und Partner (CHE-165.108.175) in Altdorf (UR) (UR)
Treuhand- und Revisionsgesellschaft Mattig-Suter und Partner (CHE-334.695.708) in Brig-Glis (VS)
Treuhand- und Revisionsgesellschaft Mattig-Suter und Partner, Zweigniederlassung Pfäffikon (CHE-177.529.307) in Freienbach (SZ)
Membership in Associations EXPERTsuisse
Number of auditors with permission 15  (19.07 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 12 years (max.: 33.3 years)

Total number of statutory audit clients: 286 (Ranked #33 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2025), +4 (over the last 12 months)

Number of audit clients listed on a Swiss stock exchange: 2 (thereof 0 in the SMI, 0 in the SMI Expanded and 0 in the SPI)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

  AG BE BL FR GE GL GR JU LU NW OW SG SZ TG UR VD VS ZG ZH ∑
Limited corporation 2 6 2 1 2   1 1 15 2 1 9 96 2 26 1 8 21 28 224
Limited liability company 1         1             9   1     1 1 14
Foundation   1 1           1       25   2   1 1 3 35
Cooperative                         4           1 5
Association   1             1       3           2 7
Special legal forms           1                           1
∑ 3 8 3 1 2 2 1 1 17 2 1 9 137 2 29 1 9 23 35 286

This audit firm is recorded as statutory auditor for 103 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 286 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL FR GE GL GR JU LU NW OW SG SZ TG UR VD VS ZG ZH ∑
Brig-Glis                                 1     1
Freienbach                         1             1
Schwyz 3 8 3 1 2 2 1 1 17 2 1 9 136 2 29 1 8 23 35 284
∑ 3 8 3 1 2 2 1 1 17 2 1 9 137 2 29 1 9 23 35 286

Show client list for Brig-Glis, Freienbach, Schwyz.

Related audit firms

Network:

Total number of audit engagements across the network: 410

Direct personal relationship:

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
Kurhaus Seeblick AG CHE-106.076.433 Weggis 13.03.2026 Auditor switch Schwyz
Schiffli GmbH CHE-323.702.706 Richterswil 28.01.2026 First auditor Schwyz
SVGW Fachverband für Wasser, Gas und Wärme CHE-105.840.025 Zürich 22.01.2026 Auditor switch Schwyz
teamtischer AG CHE-314.416.265 Freienbach 18.12.2025 First auditor Schwyz
Technische Betriebe Glarus Nord (TBGN) CHE-116.402.439 Glarus Nord 08.12.2025 Auditor switch Schwyz
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
Oncoteq AG CHE-234.928.941 Cham 15.04.2026 Discontinued Schwyz
Partex.AI Switzerland AG CHE-218.837.085 Cham 15.04.2026 Discontinued Schwyz
Partex.AI Therapeutics AG CHE-469.405.455 Cham 15.04.2026 Discontinued Schwyz
SM Küchen Design AG CHE-107.418.275 Zürich 02.03.2026 Discontinued Schwyz
Amanthos AG CHE-163.870.674 Greppen 10.12.2025 Auditor switch Schwyz