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TREVIDA ImmoTreuhand & Verkaufs AG 

Wilen B. Wil · Since 2007

The company's core activity is real estate management, sales and rental, as well as construction management and renovation of properties. The company offers luxurious apartments and houses and provides services such as real estate management, sales and rental, construction management and renovation.

Brennerwerk GmbH 

Wilen B. Wil · Since 2021

The core activity of Brennerwerk GmbH is the maintenance and servicing of heating systems, particularly the regular inspection and maintenance of thermal systems to ensure their optimal performance and lifespan.

Hanimann 3D Messlabor AG 

Wilen B. Wil · Since 2016

The core activity of Hanimann 3D-Messlabor AG is the provision of measurement services in the field of manufacturing measurement technology, particularly in the areas of: tactile measurement technology, optical measurement technology, computed tomography, 3D digitization, roughness and contour measurement technology, and application-related technical support. As an accredited measurement laboratory, the company places emphasis on highest quality, flexibility, and customer benefit.

swiss audit group GmbH 

Wilen B. Wil · Since 2022

swiss audit group GmbH provides audit and assurance services for companies, including ordinary and limited statutory audits and audits of consolidated financial statements under IFRS or Swiss GAAP FER. The firm also carries out special audits and voluntary engagements (e.g., reviews, agreed-upon procedures, ISAE engagements), offers internal control system consulting and supports ESG reporting together with Resa Business Audit GmbH.

Top Dental GmbH 

Wilen B. Wil · Since 2008

The company's core activity is the provision of dental services in a dental practice.

Töpferatelier Marelen - Marlen Stieger 

Wilen B. Wil · Since 2022

The core activity of the company "Töpferatelier Marelen" is the manufacture and sale of handmade ceramics, particularly tableware and other ceramic products, which are produced in its own studio in the Wil region.

Matern's Schreiner Montagen GmbH 

Wilen B. Wil · Since 2014

The core activity of Matern's Schreiner Montagen GmbH is the provision of carpentry and interior finishing services, including: dismantling and assembly, interior finishing, renovation work, repairs and service, as well as the manufacture and installation of: doors (exterior doors, interior doors, sliding doors), floors (laminate, vinyl, cork, parquet), kitchens, bathroom furniture, built-in furniture and cabinets, and cladding (wine cellars, walls, ceilings). The company thus offers a comprehensive range of carpentry and interior finishing services for private and business customers in the Thurgau region and beyond.

Heuberger Schreinerhandwerk gmbh 

Wilen B. Wil · Since 2015

The core activity of Heuberger Schreinerhandwerk GmbH is the provision of carpentry services, including: planning and manufacturing of individual carpentry work, interior construction and renovation, renovation and service and repair work, manufacturing of furniture, cabinets and other wood products, consulting, planning and construction supervision. The company uses natural and sustainable materials whenever possible and works with regional partner companies as needed.

Weibel Unternehmensberatung & Management GmbH 

Wilen B. Wil · Since 2021

The core activity of Weibel Unternehmensberatung & Management GmbH is management consulting, particularly in the areas of corporate strategies, digitalization, expert opinions, risk management, and management & leadership. The company supports businesses in achieving their goals sustainably by helping them develop their strategies, optimize their processes, manage their risks, and develop their leaders.

Aquila Confidentia AG 

Wilen B. Wil · Since 2020

Aquila Confidentia AG is an independent wealth management firm that sets investment policy together with clients and primarily selects individual securities rather than funds or ETFs. It typically charges a fixed percentage fee on assets and/or a performance fee, refunds any retrocessions, and follows a security‑conscious, multi‑year investment approach.