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Fact Sheet Spectrum Treuhand AG

Core Company Information
Company Name Spectrum Treuhand AG
UID CHE-108.040.469
Alternative / previous Names -
Domicile Steinhausen
Canton ZG
Legal Form Limited corporation
Inscription Date 30.09.1991
FAOA Information
FAOA ID 501439
RAB Permission licensed audit expert
FAOA License cancelled (active from 29.11.2007 until 10.02.2026)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission -
Auditor Statistics

Average engagement duration: 21.5 years (max.: 31.3 years)

Total number of statutory audit clients: 11 (Ranked #198 in Switzerland)

Change in number of audit engagements: -9 (since 31.12.2025), -9 (over the last 12 months)

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

  LU NW TG ZH ∑
Limited corporation 1 1 1 8 11
∑ 1 1 1 8 11

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

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Related audit firms

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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
Valla Solutions AG CHE-494.607.312 Küsnacht (ZH) 15.09.2025 First auditor Steinhausen
Assuan Holding AG CHE-103.379.297 Feusisberg 21.06.2024 Auditor switch Steinhausen
Paradise Island Company (PIC) AG CHE-101.725.371 Steinhausen 30.05.2024 Auditor switch Steinhausen
Steriplant Swiss AG CHE-208.162.357 Steinhausen 29.10.2019 First auditor Steinhausen
Kabofina AG CHE-100.225.781 Herzogenbuchsee 03.06.2016 Auditor switch Steinhausen
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
Das Wesen der Farben-Stiftung von Eva Schneider-Boog CHE-115.756.107 Dietikon 14.10.2026 Auditor switch Steinhausen
Kabofina AG CHE-100.225.781 Herzogenbuchsee 01.10.2026 Auditor switch Steinhausen
Life Job & Work GmbH CHE-100.812.168 Zollikon 01.10.2026 Auditor switch Steinhausen
Datatel AG CHE-106.425.396 Steinhausen 30.09.2026 Auditor switch Steinhausen
Elben AG CHE-107.264.606 Steinhausen 26.08.2026 Auditor switch Steinhausen