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Fact Sheet Dr. Steiner & Partner AG

Core Company Information
Company Name Dr. Steiner & Partner AG
UID CHE-107.169.681
Alternative / previous Names Dr. Frank Steiner & Partner Unternehmensberatung AG
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 14.04.1981
FAOA Information
FAOA ID 501228
RAB Permission licensed audit expert
FAOA License active (since 22.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 2  (2.50 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 18.7 years (max.: 28.6 years)

Total number of statutory audit clients: 5 (Ranked #207 in Switzerland)

Change in number of audit engagements: -6 (since 31.12.2025), -14 (over the last 12 months)

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

  Zug Zürich ∑
Limited corporation 1 3 4
Limited liability company   1 1
∑ 1 4 5

This audit firm is recorded as statutory auditor for 13 deleted entities. These are not included in the table above.

Display client list

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Stocker AG Elektro - Netzbau CHE-110.185.901 Bubikon 13.02.2023 Auditor switch Zürich
Online Marketing AG - Mehr Erfolg im Internet CHE-187.034.881 Steinhausen 16.11.2020 Auditor switch Zürich
ADP Architekten AG CHE-109.871.846 Zürich 16.09.2020 Auditor switch Zürich
ismont AG CHE-102.224.315 Stammheim 01.04.2020 Auditor switch Zürich
R-Technik AG CHE-417.595.650 Matten bei Interlaken 15.08.2018 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
Baumann baut Gärten AG CHE-108.515.337 Thalwil 20.01.2026 Auditor switch Zürich
Federas Beratung AG CHE-107.646.764 Zürich 19.01.2026 Auditor switch Zürich
VIMCOM AG CHE-109.642.553 Regensdorf 13.01.2026 Auditor switch Zürich
ismont AG CHE-102.224.315 Stammheim 12.01.2026 Auditor switch Zürich
Starco Security AG CHE-109.351.280 Wettswil am Albis 09.01.2026 Auditor switch Zürich