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Fact Sheet RBT AG

Core Company Information
Company Name RBT AG
UID CHE-107.057.148
Alternative / previous Names Riedi Berni Theus AG (until 20.01.2009)
Domicile St. Moritz
Canton GR
Legal Form Limited corporation
Inscription Date 03.02.1993
Takeovers: Riedi, Berni, Theus, Treuhand- und Revisionsgesellschaft (ADM-446.237.655), per 22.05.1995
FAOA Information
FAOA ID 500157
RAB Permission licensed audit expert
FAOA License active (since 20.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (1) RBT AG Zweigniederlassung (CHE-285.579.638) in Scuol (GR)
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission 8  (12.38 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 11.8 years (max.: 32.9 years)

Total number of statutory audit clients: 99 (Ranked #112 in Switzerland)

Change in number of audit engagements: +2 (since 31.12.2025), +1 (over the last 12 months)

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

  GR ZG ZH ∑
Limited corporation 64   1 65
Limited liability company 3     3
Foundation 23 1   24
Cooperative 4     4
Association 2     2
Special legal forms 1     1
∑ 97 1 1 99

This audit firm is recorded as statutory auditor for 41 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 99 statutory audits are performed by the branch offices as indicated in the table below.

  GR ZG ZH ∑
St. Moritz 97 1 1 99
∑ 97 1 1 99

Show client list for St. Moritz.

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Hotel Selva AG CHE-468.947.794 Zernez 12.06.2026 First auditor St. Moritz
Paradiso Property HoldCo AG CHE-494.333.095 St. Moritz 30.04.2026 First auditor St. Moritz
Cresta Run AG CHE-247.976.317 Celerina/Schlarigna 13.04.2026 First auditor St. Moritz
Parkhotel Margna Stiftung CHE-301.725.656 Sils im Engadin/Segl 07.04.2026 First auditor St. Moritz
Palombo AG CHE-113.291.066 St. Moritz 06.01.2026 Auditor switch St. Moritz
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
Fonds Peter Gabriel CHE-110.401.973 Samedan 12.08.2026 Auditor switch St. Moritz
Montana AG Liegenschaften CHE-107.372.992 Chur 27.05.2026 Auditor switch St. Moritz
FIS Freestyle World Championships 2025 Engadin / St. Moritz in Liquidation CHE-332.189.179 St. Moritz 24.03.2026 Discontinued St. Moritz
Costa Haustechnik GmbH CHE-108.248.001 Celerina/Schlarigna 08.12.2025 Auditor switch St. Moritz
Engadin Tourismus AG CHE-396.665.308 St. Moritz 15.10.2025 Auditor switch St. Moritz