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Fact Sheet Eisele & Partner Treuhand AG

Core Company Information
Company Name Eisele & Partner Treuhand AG
UID CHE-105.748.833
Alternative / previous Names J. Habenberger AG
Domicile Winterthur
Canton ZH
Legal Form Limited corporation
Inscription Date 08.01.1979
Website https://www.eisele-treuhand.ch
Phone +41 52 245 11 88
FAOA Information
FAOA ID 500321
RAB Permission licensed audit expert
FAOA License active (since 19.10.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) Eisele & Partner Treuhand AG (CHE-293.336.351) in Winterthur (ZH)
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission 5  (15.40 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.1 years (max.: 29.3 years)

Total number of statutory audit clients: 77 (Ranked #136 in Switzerland)

Change in number of audit engagements: +5 (since 31.12.2025), +5 (over the last 12 months)

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

  AG BE GL GR SG SZ TG ZH ∑
Limited corporation 1 1 1   2 2 6 44 57
Limited liability company               4 4
Foundation       1     1 8 10
Cooperative             1 3 4
Association               2 2
∑ 1 1 1 1 2 2 8 61 77

This audit firm is recorded as statutory auditor for 22 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 77 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE GL GR SG SZ TG ZH ∑
Winterthur 1 1 1 1 2 2 8 61 77
∑ 1 1 1 1 2 2 8 61 77

Show client list for Winterthur.

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
Alfons Hophan AG CHE-101.110.353 Glarus Nord 27.02.2026 Auditor switch Winterthur
Standortförderung Zürcher Weinland CHE-136.633.918 Andelfingen 26.02.2026 First auditor Winterthur
WG-Betreuung-Zuhause AG CHE-204.988.909 Henggart 26.02.2026 Auditor switch Winterthur
Fussballclub Winterthur CHE-107.152.315 Winterthur 25.02.2026 First auditor Winterthur
aagena (Aadorfer Genossenschaft für Alle) CHE-107.531.977 Aadorf 08.01.2026 First auditor Winterthur
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
Grüzenfeld-Garage AG CHE-107.160.697 Winterthur 17.10.2025 Auditor switch Winterthur
SWISS CAR REGISTER Foundation CHE-372.715.507 Safenwil 22.05.2025 Discontinued Winterthur
DSG Deutweg Sport Gastro GmbH CHE-384.392.428 Winterthur 31.03.2025 Auditor switch Winterthur
WIN4 AG CHE-319.711.607 Winterthur 15.07.2024 Auditor switch Winterthur
Sedax AG CHE-109.902.091 Uster 31.07.2023 Auditor switch Winterthur