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1 : 1 Versicherungstreuhand AG 

Kloten · Since 2001

The core activity of 1:1 VersicherungsTreuhand AG is the brokerage of insurance policies as an independent insurance broker. The company offers tailored solutions for the desired insurance needs of industrial companies, SMEs, craftsmen, young entrepreneurs and private individuals at market-compatible conditions.

1 : 1 architektur GmbH 

Muri B. Bern · Since 1999

The core activity of einszueins architektur GmbH is the planning and design of buildings and spaces, i.e. architecture.

1 A Abrechnungs AG 

Dietikon · Since 2023

1 A Bahnhof Taxi Bozacilar Egilmez KLG 

Zug · Since 2024

1 A Bahnhof Taxi Bozacilar Egilmez KLG provides taxi and limousine services as well as passenger, vehicle and courier transport. Services include airport transfers, small removals, recurring transports, long-distance and international trips, and transport coordination and invoicing options for corporate clients.

1 A Bahnhof Taxi Memnune Bozacilar 

Zug · Since 2010

1 A Bahnhof Taxi Memnune Bozacilar is a taxi and limousine service offering passenger transport, courier and small-load transfers, airport and corporate transfer services, and recurring ride arrangements.

1 A Baumanagement GmbH 

Wollerau · Since 2019

1 A Beratungs AG 

Dietikon · Since 2002

1 A Clean Services GmbH 

Unterägeri · Since 2003

1 A Dental Service AG 

Willisau · Since 2014

1 A Dental Service AG provides installation, maintenance and repair services for dental units and dental practice equipment. The company represents brands such as Dentsply Sirona, Anthos, MELAG, Myray and Dürr Dental and offers practice refits, showroom services and sales of used equipment.

1 A Unternehmungen AG 

Bad Zurzach · Since 2022

1 FR Ibrahim 

Biel/Bienne · Since 2018

1 Finance Partners GmbH 

Zurich · Since 2023

The core activity of 1 Finance Partners is consulting and implementing digital transformations in the finance function of companies, particularly in the areas of: Implementing cloud ERP systems (especially Workday), process automation with RPA technology, and optimizing operational efficiency in the finance function. The company supports customers in introducing and operating financial applications, automating processes, and optimizing the finance function in day-to-day business and operations.

1 Finance Partners GmbH 

St. Moritz · Since 2023

1 First Dépollution Services SA 

Geneva · Since 2022

The core activity of 1First Dépollution Services SA is the execution of works for the removal of environmental pollutants in buildings, particularly in the field of asbestos removal (désamiantage), PCB decontamination (removal of polychlorinated biphenyls) and lead removal. The company also provides consulting services to support private individuals and companies in the remediation of contaminated buildings.

1 Fratech Sàrl 

Echarlens · Since 2024

1 H Clean Lemania S.A. 

Chavannes-De-Bogis · Since 1992

1 H Clean Lemania S.A. provides textile cleaning services including dry cleaning, water-based washing and wet cleaning, as well as finishing services such as waterproofing, ironing and folding. It also offers alterations and tailoring, corporate collection points and pickup-and-delivery services.

1 MARIN VELASQUEZ CONSULTING 

Steinhausen · Since 2025

1 MM & 1 PP AG 

Walchwil · Since 2002

1 Monde PatientS, société coopérative 

Epautheyres · Since 2018

The core activity of the company "Un Monde PatientS" is the provision of home care and daily assistance, i.e. the provision of care and support services in a home environment.

1 Ophtha Partners GmbH 

Horgen · Since 2024