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Fact Sheet TBO Revisions AG

Core Company Information
Company Name TBO Revisions AG
UID CHE-103.352.097
Alternative / previous Names -
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 07.02.1984
Website https://www.tborevision.ch
Phone +41 44 457 15 55
FAOA Information
FAOA ID 502563
RAB Permission licensed audit expert
FAOA License active (since 21.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission 4  (30.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 12.4 years (max.: 33 years)

Total number of statutory audit clients: 120 (Ranked #95 in Switzerland)

Change in number of audit engagements: +3 (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 NW SG SZ TG ZG ZH ∑
Limited corporation 1 1 1 1 3   83 90
Limited liability company 1         1 2 4
Foundation 1           17 18
Cooperative             2 2
Association             6 6
∑ 3 1 1 1 3 1 110 120

This audit firm is recorded as statutory auditor for 85 deleted entities. These are not included in the table above.

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Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
R. Fuchs AG CHE-103.413.072 Volketswil 14.10.2026 Auditor switch Zürich
Walter Rüegg AG CHE-101.414.882 Niederhasli 14.10.2026 Auditor switch Zürich
Iten, Bühlmann & Partner AG CHE-114.660.775 Wetzikon (ZH) 06.10.2026 Auditor switch Zürich
Fumata AG CHE-108.304.148 Nürensdorf 02.10.2026 Auditor switch Zürich
Marvit GmbH CHE-108.472.136 Dietikon 23.09.2026 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
Ruedi Büchi Kieferorthopädie-Technik AG CHE-105.724.577 Winterthur 18.06.2026 Auditor switch Zürich
PRO LIFE CHE-106.106.100 Bern 20.04.2026 Auditor switch Zürich
Prolens AG CHE-102.642.322 Zürich 18.02.2026 Auditor switch Zürich
"Schweizerzeit" Verlags AG CHE-107.924.029 Sursee 30.12.2025 Auditor switch Zürich
Züsy + Daniel Guggenheim Stiftung CHE-110.412.445 Zürich 15.09.2025 Auditor switch Zürich