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

Fact Sheet Widmer Ruesch Consulting GmbH

Core Company Information
Company Name Widmer Ruesch Consulting GmbH
UID CHE-107.640.974
Alternative / previous Names Blattner Consulting Services GmbH
Domicile Reinach (BL)
Canton BL
Legal Form Limited liability company
Firm Inscription Date 31.08.1994
FAOA Information
FAOA ID 503123
RAB Permission licensed audit expert
FAOA License active (since 18.02.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 4  (5.25 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 6.2 years (max.: 15.9 years)

Total number of statutory audit engagements: 21 (Ranked #186 in Switzerland)

Change in number of audit engagements: - (since 31.12.2023), +2 (over the last 12 months)

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

  Basel Landschaft Basel Stadt Luzern Solothurn
Limited corporation 7 3 1 1 12
Limited liability company 1 1     2
Foundation 3 4     7
11 8 1 1 21

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

Display client list

Related audit firms

Direct personal relationship:

Same domicile: 

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Guerra Clauss Architekten SIA GmbH CHE-333.760.438 Basel 20.12.2023 First auditor Reinach (BL)
Stiftung Valivida CHE-292.867.019 Basel 12.12.2023 First auditor Reinach (BL)
Stiftung Falknerei Regio Basiliensis CHE-482.032.534 Oberwil (BL) 25.08.2023 First auditor Reinach (BL)
Pensa Strassenbau AG CHE-325.141.641 Basel 28.06.2023 First auditor Reinach (BL)
Stiftung Eben-Ezer CHE-110.391.205 Frenkendorf 26.01.2023 Auditor switch Reinach (BL)
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
IMMO FAMILY AG CHE-116.390.782 Aesch (BL) 19.09.2023 Opting-out Reinach (BL)
brenneisen theiss communications ag CHE-108.035.646 Basel 10.12.2020 Opting-out Reinach (BL)
startbahnWest AG CHE-101.999.253 Basel 01.04.2020 Auditor switch Reinach (BL)
Krebser Beratungs AG in Liquidation CHE-106.241.028 Reinach (BL) 05.12.2018 Opting-out Reinach (BL)
Berger Liegenschaften AG CHE-106.402.001 Basel 31.10.2017 Auditor switch Reinach (BL)