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AVISYS AUDIO-VISUAL SYSTEM AG 

Feusisberg · Since 2008

The core activity of Avisys Audio-Visual System AG is the distribution of audiovisual systems and products in Switzerland. The company acts as an official distributor for various brands such as Arbor Media, Crestron, Cypress Technology, Elpro, KUDO, Planar, Samsung Pro and ZeeVee. It offers solutions for routing and switching of audio and video signals, including video walls, mass distribution and solutions for stadiums and eSports.

Ballantyne AG 

Feusisberg · Since 2020

The core activity of Ballantyne AG is investment consulting and brokerage of private and commercial real estate, particularly for high net worth individuals and family office investors. The company provides discreet and efficient deal consulting and develops tailored solutions to meet the needs of its clients.

Birdview Capital AG 

Feusisberg · Since 2016

Bodensee-Ölmühle GmbH 

Feusisberg · Since 2007

The company's core activity is the production and sale of cold-pressed oils, nut butters and flours. This also includes the development and production of oil mills and the training of oil millers.

Canyon Immo AG 

Feusisberg · Since 2015

CASIUS Trust GmbH 

Feusisberg · Since 2023

Casius Treuhand AG 

Feusisberg · Since 2000

Casius Treuhand AG provides trust and business services, including accounting and tax advisory support. The firm works with Swiss CPAs and tax advisors, emphasizes client confidentiality and digital security, and maintains an international network.

clean+ more GmbH 

Feusisberg · Since 2019

The core activity of clean + more GmbH is the professional cleaning of buildings, offices, facades, windows and other premises for various customers such as banks, restaurants, public services, administrations, private households and construction sites.

Contio AG 

Feusisberg · Since 2018

Contio AG is an independent advisory firm that acts on a project basis as consultants, board members or long-term advisors to corporations, SMEs and public institutions. Its services include strategy, M&A, marketing and transformation, with partner expertise in general management, high‑tech, life sciences, engineering, cleantech, innovation/R&D, corporate law and human resources.

Cortex Bass GmbH 

Feusisberg · Since 2019

Cortex Bass GmbH manufactures hand-built electric bass guitars, including the Napoleon and Ganesha models. The company designs instruments in Switzerland, sources woods and components from Europe, the US and Japan, sells via an online shop and partner network, and offers pickups, preamps and custom-shop options with finishing work carried out in France by luthier Paul Lairat.

Cresta Capital Partners AG 

Feusisberg · Since 2012

The core activity of Cresta Capital Partners is independent wealth management for private individuals and families, including investment and client consulting as well as the administration of complex wealth structures.

CSCMP Roundtable Switzerland 

Feusisberg · Since 2016

The core activity of CSCMP Roundtable Switzerland is to provide a platform for Swiss supply chain professionals to network, develop their skills and further their education. The company organizes events, offers training opportunities and promotes the exchange of knowledge and experience among supply chain professionals.

cyberheads GmbH 

Feusisberg · Since 2007

Dea Media AG 

Feusisberg · Since 2021

The core activity of Dea Media AG encompasses four main areas: 1. **Operation of online marketplaces and shops**: Dea Media AG develops and operates specialized online shops and digital marketplaces. 2. **Development of software solutions**: The company develops information channels, web and mobile applications. 3. **Publishing activities**: Dea Media AG publishes literature, particularly for a female readership. 4. **Consulting and project management**: The company offers consulting services, training and project management.

Diener concepts 

Feusisberg · Since 2000

The core activity of diener.concepts is the development and implementation of customer loyalty measures for companies. The company supports its customers in building and maintaining a long-term relationship with their customers by developing and implementing individual strategies and measures.

Diomedes Security AG 

Feusisberg · Since 2010

The core activity of Diomedes Security is Cyber Security Recruiting, which involves placing skilled professionals in the field of information security with companies. They offer their services to both companies and candidates to find the right talent and win them over for companies.

DPN Management Consulting GmbH 

Feusisberg · Since 2002

DPN Management Consulting GmbH advises senior executives and owners of SMEs on HR matters, the filling of key positions and general corporate governance questions. Services include HR consulting, sounding-board advisory, coaching, decision support and project work.

Duvoisin Guitars SA 

Feusisberg · Since 2014

Duvoisin Guitars SA produces electric guitars and basses, combining careful lutherie with a proprietary electronics concept and an innovative bridge. The instruments are designed for playability, long sustain and a bright, dynamic, precise tone.

Energy Trading & Service AG 

Feusisberg · Since 2024

The core activity of Energy Trading & Service AG is the execution of energy trading and the provision of digitalized service solutions for the energy sector. Specifically, this includes the purchase and sale of energy as well as the development and provision of sales and service solutions for business and private customers.

Etzel Kulm GmbH 

Feusisberg · Since 2021

Etzel Kulm GmbH operates a mountain restaurant offering semi-self-service dining with regional dishes, Swiss wines and snacks as part of a structured food & beverage concept. The venue also hosts banquets, weddings and corporate events and provides vouchers as well as webcam and weather information.