Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

Fact Sheet Ryser Treuhand AG

Core Company Information
Company Name Ryser Treuhand AG
UID CHE-107.841.372
Alternative / previous Names -
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 10.06.1987
FAOA Information
FAOA ID 500688
RAB Permission licensed audit expert
FAOA License cancelled (active from 25.10.2007 until 04.02.2024)
Link to FAOA website View auditor profile at FAOA
Branch offices (1) Ryser Treuhand AG (CHE-235.201.681) in Wollerau (SZ)
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission -
Auditor Statistics

Average engagement duration: 14.1 years (max.: 25 years)

Total number of statutory audit engagements: 9 (Ranked #195 in Switzerland)

Change in number of audit engagements: -14 (since 31.12.2023), -15 (over the last 12 months)

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

  Zürich
Limited corporation 5 5
Foundation 3 3
Association 1 1
9 9

This audit firm is recorded as statutory auditor for 3 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 9 statutory audits are performed by the branch offices as indicated in the table below.

  Zürich
Zürich 9 9
9 9

Show client list for Zürich.

Related audit firms

Network:

Total number of audit engagements across the network: 33

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Grünmatt Stiftung CHE-198.962.242 Zürich 01.07.2022 First auditor Zürich
Stiftung Dr. Hans und Hilde von Lorentz CHE-253.247.741 Zürich 23.12.2021 Auditor switch Zürich
Konrad-Basler-Stiftung CHE-386.808.635 Egg 22.11.2021 First auditor Zürich
Exista AG CHE-106.298.270 Mönchaltorf 11.06.2021 Auditor switch Zürich
Swiss Regiomedia AG CHE-161.721.017 Baar 21.05.2021 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
Genossenschaft Heimat- und Ortsmuseum Wiedikon CHE-102.221.392 Zürich 29.11.2024 Auditor switch Zürich
Anna Zemp-Stiftung für umfassenden Mitweltschutz (SUMS) CHE-110.392.475 Männedorf 14.11.2024 Auditor switch Zürich
C. Ehrensperger AG CHE-107.795.559 Stäfa 04.11.2024 Auditor switch Zürich
Stiftung Mütterhilfe CHE-110.232.908 Zürich 04.11.2024 Auditor switch Zürich
Verein Arche Zürich CHE-105.876.721 Zürich 04.11.2024 Auditor switch Zürich